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SubjectRe: Linux 4.17.4
diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/testing/sysfs-class-cxl
index 8e69345c37cc..bbbabffc682a 100644
--- a/Documentation/ABI/testing/sysfs-class-cxl
+++ b/Documentation/ABI/testing/sysfs-class-cxl
@@ -69,7 +69,9 @@ Date: September 2014
Contact: linuxppc-dev@lists.ozlabs.org
Description: read/write
Set the mode for prefaulting in segments into the segment table
- when performing the START_WORK ioctl. Possible values:
+ when performing the START_WORK ioctl. Only applicable when
+ running under hashed page table mmu.
+ Possible values:
none: No prefaulting (default)
work_element_descriptor: Treat the work element
descriptor as an effective address and
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
index eb30efdd2e78..25dc591cb110 100644
--- a/Documentation/core-api/printk-formats.rst
+++ b/Documentation/core-api/printk-formats.rst
@@ -419,11 +419,10 @@ struct clk

%pC pll1
%pCn pll1
- %pCr 1560000000

For printing struct clk structures. %pC and %pCn print the name
(Common Clock Framework) or address (legacy clock framework) of the
-structure; %pCr prints the current clock rate.
+structure.

Passed by reference.

diff --git a/Makefile b/Makefile
index 31dc3a08295a..1d740dbe676d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 17
-SUBLEVEL = 3
+SUBLEVEL = 4
EXTRAVERSION =
NAME = Merciless Moray

diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index e10c03496524..a115575b38bf 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -22,11 +22,12 @@
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/reset/mt2701-resets.h>
#include <dt-bindings/thermal/thermal.h>
-#include "skeleton64.dtsi"

/ {
compatible = "mediatek,mt7623";
interrupt-parent = <&sysirq>;
+ #address-cells = <2>;
+ #size-cells = <2>;

cpu_opp_table: opp-table {
compatible = "operating-points-v2";
diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
index bbf56f855e46..5938e4c79deb 100644
--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
@@ -109,6 +109,7 @@
};

memory@80000000 {
+ device_type = "memory";
reg = <0 0x80000000 0 0x40000000>;
};
};
diff --git a/arch/arm/boot/dts/mt7623n-rfb.dtsi b/arch/arm/boot/dts/mt7623n-rfb.dtsi
index 256c5fd947bf..43c9d7ca23a0 100644
--- a/arch/arm/boot/dts/mt7623n-rfb.dtsi
+++ b/arch/arm/boot/dts/mt7623n-rfb.dtsi
@@ -47,6 +47,7 @@
};

memory@80000000 {
+ device_type = "memory";
reg = <0 0x80000000 0 0x40000000>;
};

diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 486d4e7433ed..b38f8c240558 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -748,13 +748,13 @@
nand0: nand@ff900000 {
#address-cells = <0x1>;
#size-cells = <0x1>;
- compatible = "denali,denali-nand-dt";
+ compatible = "altr,socfpga-denali-nand";
reg = <0xff900000 0x100000>,
<0xffb80000 0x10000>;
reg-names = "nand_data", "denali_reg";
interrupts = <0x0 0x90 0x4>;
dma-mask = <0xffffffff>;
- clocks = <&nand_clk>;
+ clocks = <&nand_x_clk>;
status = "disabled";
};

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index bead79e4b2aa..791ca15c799e 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -593,8 +593,7 @@
#size-cells = <0>;
reg = <0xffda5000 0x100>;
interrupts = <0 102 4>;
- num-chipselect = <4>;
- bus-num = <0>;
+ num-cs = <4>;
/*32bit_access;*/
tx-dma-channel = <&pdma 16>;
rx-dma-channel = <&pdma 17>;
@@ -633,7 +632,7 @@
nand: nand@ffb90000 {
#address-cells = <1>;
#size-cells = <1>;
- compatible = "denali,denali-nand-dt", "altr,socfpga-denali-nand";
+ compatible = "altr,socfpga-denali-nand";
reg = <0xffb90000 0x72000>,
<0xffb80000 0x10000>;
reg-names = "nand_data", "denali_reg";
diff --git a/arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dts b/arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dts
index b20a710da7bc..7a4fca36c673 100644
--- a/arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dts
+++ b/arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dts
@@ -62,8 +62,8 @@
reg_vcc1v2: vcc1v2 {
compatible = "regulator-fixed";
regulator-name = "vcc1v2";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&reg_vcc5v0>;
@@ -113,8 +113,8 @@
reg_vdd_cpux: vdd-cpux {
compatible = "regulator-fixed";
regulator-name = "vdd-cpux";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&reg_vcc5v0>;
diff --git a/arch/arm/include/asm/kgdb.h b/arch/arm/include/asm/kgdb.h
index 3b73fdcf3627..8de1100d1067 100644
--- a/arch/arm/include/asm/kgdb.h
+++ b/arch/arm/include/asm/kgdb.h
@@ -77,7 +77,7 @@ extern int kgdb_fault_expected;

#define KGDB_MAX_NO_CPUS 1
#define BUFMAX 400
-#define NUMREGBYTES (DBG_MAX_REG_NUM << 2)
+#define NUMREGBYTES (GDB_MAX_REGS << 2)
#define NUMCRITREGBYTES (32 << 2)

#define _R0 0
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index c89d0c307f8d..2c63e60754c5 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -252,8 +252,7 @@
interrupts = <0 99 4>;
resets = <&rst SPIM0_RESET>;
reg-io-width = <4>;
- num-chipselect = <4>;
- bus-num = <0>;
+ num-cs = <4>;
status = "disabled";
};

@@ -265,8 +264,7 @@
interrupts = <0 100 4>;
resets = <&rst SPIM1_RESET>;
reg-io-width = <4>;
- num-chipselect = <4>;
- bus-num = <0>;
+ num-cs = <4>;
status = "disabled";
};

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 3c31e21cbed7..69693977fe07 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -35,6 +35,12 @@
no-map;
};

+ /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
+ secmon_reserved_alt: secmon@5000000 {
+ reg = <0x0 0x05000000 0x0 0x300000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index 3e3eb31748a3..f63bceb88caa 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -234,9 +234,6 @@

bus-width = <4>;
cap-sd-highspeed;
- sd-uhs-sdr12;
- sd-uhs-sdr25;
- sd-uhs-sdr50;
max-frequency = <100000000>;
disable-wp;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index dba365ed4bd5..33c15f2a949e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -13,14 +13,6 @@
/ {
compatible = "amlogic,meson-gxl";

- reserved-memory {
- /* Alternate 3 MiB reserved for ARM Trusted Firmware (BL31) */
- secmon_reserved_alt: secmon@5000000 {
- reg = <0x0 0x05000000 0x0 0x300000>;
- no-map;
- };
- };
-
soc {
usb0: usb@c9000000 {
status = "disabled";
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110.dtsi
index ed2f1237ea1e..8259b32f0ced 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110.dtsi
@@ -149,7 +149,7 @@

CP110_LABEL(icu): interrupt-controller@1e0000 {
compatible = "marvell,cp110-icu";
- reg = <0x1e0000 0x10>;
+ reg = <0x1e0000 0x440>;
#interrupt-cells = <3>;
interrupt-controller;
msi-parent = <&gicp>;
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index 253188fb8cb0..e3e50950a863 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -223,8 +223,8 @@ static int ctr_encrypt(struct skcipher_request *req)
kernel_neon_begin();
aes_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
(u8 *)ctx->key_enc, rounds, blocks, walk.iv);
- err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
kernel_neon_end();
+ err = skcipher_walk_done(&walk, walk.nbytes % AES_BLOCK_SIZE);
}
if (walk.nbytes) {
u8 __aligned(8) tail[AES_BLOCK_SIZE];
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 9d1b06d67c53..df0bd090f0e4 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -937,7 +937,7 @@ static int __init parse_kpti(char *str)
__kpti_forced = enabled ? 1 : -1;
return 0;
}
-__setup("kpti=", parse_kpti);
+early_param("kpti", parse_kpti);
#endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */

#ifdef CONFIG_ARM64_HW_AFDBM
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index 154b7d30145d..f21209064041 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -830,11 +830,12 @@ static void do_signal(struct pt_regs *regs)
unsigned long continue_addr = 0, restart_addr = 0;
int retval = 0;
struct ksignal ksig;
+ bool syscall = in_syscall(regs);

/*
* If we were from a system call, check for system call restarting...
*/
- if (in_syscall(regs)) {
+ if (syscall) {
continue_addr = regs->pc;
restart_addr = continue_addr - (compat_thumb_mode(regs) ? 2 : 4);
retval = regs->regs[0];
@@ -886,7 +887,7 @@ static void do_signal(struct pt_regs *regs)
* Handle restarting a different system call. As above, if a debugger
* has chosen to restart at a different PC, ignore the restart.
*/
- if (in_syscall(regs) && regs->pc == restart_addr) {
+ if (syscall && regs->pc == restart_addr) {
if (retval == -ERESTART_RESTARTBLOCK)
setup_restart_syscall(regs);
user_rewind_single_step(current);
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 5f9a73a4452c..03646e6a2ef4 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -217,8 +217,9 @@ ENDPROC(idmap_cpu_replace_ttbr1)

.macro __idmap_kpti_put_pgtable_ent_ng, type
orr \type, \type, #PTE_NG // Same bit for blocks and pages
- str \type, [cur_\()\type\()p] // Update the entry and ensure it
- dc civac, cur_\()\type\()p // is visible to all CPUs.
+ str \type, [cur_\()\type\()p] // Update the entry and ensure
+ dmb sy // that it is visible to all
+ dc civac, cur_\()\type\()p // CPUs.
.endm

/*
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 0c3275aa0197..e522307db47c 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -1005,7 +1005,7 @@ int __init mac_platform_init(void)
struct resource swim_rsrc = {
.flags = IORESOURCE_MEM,
.start = (resource_size_t)swim_base,
- .end = (resource_size_t)swim_base + 0x2000,
+ .end = (resource_size_t)swim_base + 0x1FFF,
};

platform_device_register_simple("swim", -1, &swim_rsrc, 1);
diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c
index c2a38321c96d..3b420f6d8822 100644
--- a/arch/m68k/mm/kmap.c
+++ b/arch/m68k/mm/kmap.c
@@ -89,7 +89,8 @@ static inline void free_io_area(void *addr)
for (p = &iolist ; (tmp = *p) ; p = &tmp->next) {
if (tmp->addr == addr) {
*p = tmp->next;
- __iounmap(tmp->addr, tmp->size);
+ /* remove gap added in get_io_area() */
+ __iounmap(tmp->addr, tmp->size - IO_SIZE);
kfree(tmp);
return;
}
diff --git a/arch/mips/ath79/mach-pb44.c b/arch/mips/ath79/mach-pb44.c
index 6b2c6f3baefa..75fb96ca61db 100644
--- a/arch/mips/ath79/mach-pb44.c
+++ b/arch/mips/ath79/mach-pb44.c
@@ -34,7 +34,7 @@
#define PB44_KEYS_DEBOUNCE_INTERVAL (3 * PB44_KEYS_POLL_INTERVAL)

static struct gpiod_lookup_table pb44_i2c_gpiod_table = {
- .dev_id = "i2c-gpio",
+ .dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("ath79-gpio", PB44_GPIO_I2C_SDA,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 6054d49e608e..8c9cbf13d32a 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -212,6 +212,12 @@ static int __init bcm47xx_cpu_fixes(void)
*/
if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
cpu_wait = NULL;
+
+ /*
+ * BCM47XX Erratum "R10: PCIe Transactions Periodically Fail"
+ * Enable ExternalSync for sync instruction to take effect
+ */
+ set_c0_config7(MIPS_CONF7_ES);
break;
#endif
}
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index a7d0b836f2f7..cea8ad864b3f 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -414,6 +414,8 @@ static inline type pfx##in##bwlq##p(unsigned long port) \
__val = *__addr; \
slow; \
\
+ /* prevent prefetching of coherent DMA data prematurely */ \
+ rmb(); \
return pfx##ioswab##bwlq(__addr, __val); \
}

diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index f65859784a4c..eeb131e2048e 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -681,6 +681,8 @@
#define MIPS_CONF7_WII (_ULCAST_(1) << 31)

#define MIPS_CONF7_RPS (_ULCAST_(1) << 2)
+/* ExternalSync */
+#define MIPS_CONF7_ES (_ULCAST_(1) << 8)

#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
@@ -2760,6 +2762,7 @@ __BUILD_SET_C0(status)
__BUILD_SET_C0(cause)
__BUILD_SET_C0(config)
__BUILD_SET_C0(config5)
+__BUILD_SET_C0(config7)
__BUILD_SET_C0(intcontrol)
__BUILD_SET_C0(intctl)
__BUILD_SET_C0(srsmap)
diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S
index f2ee7e1e3342..cff52b283e03 100644
--- a/arch/mips/kernel/mcount.S
+++ b/arch/mips/kernel/mcount.S
@@ -119,10 +119,20 @@ NESTED(_mcount, PT_SIZE, ra)
EXPORT_SYMBOL(_mcount)
PTR_LA t1, ftrace_stub
PTR_L t2, ftrace_trace_function /* Prepare t2 for (1) */
- bne t1, t2, static_trace
+ beq t1, t2, fgraph_trace
nop

+ MCOUNT_SAVE_REGS
+
+ move a0, ra /* arg1: self return address */
+ jalr t2 /* (1) call *ftrace_trace_function */
+ move a1, AT /* arg2: parent's return address */
+
+ MCOUNT_RESTORE_REGS
+
+fgraph_trace:
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ PTR_LA t1, ftrace_stub
PTR_L t3, ftrace_graph_return
bne t1, t3, ftrace_graph_caller
nop
@@ -131,24 +141,11 @@ EXPORT_SYMBOL(_mcount)
bne t1, t3, ftrace_graph_caller
nop
#endif
- b ftrace_stub
-#ifdef CONFIG_32BIT
- addiu sp, sp, 8
-#else
- nop
-#endif

-static_trace:
- MCOUNT_SAVE_REGS
-
- move a0, ra /* arg1: self return address */
- jalr t2 /* (1) call *ftrace_trace_function */
- move a1, AT /* arg2: parent's return address */
-
- MCOUNT_RESTORE_REGS
#ifdef CONFIG_32BIT
addiu sp, sp, 8
#endif
+
.globl ftrace_stub
ftrace_stub:
RETURN_BACK
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 95813df90801..bb2523b4bd8f 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -251,6 +251,7 @@ cpu-as-$(CONFIG_4xx) += -Wa,-m405
cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec)
cpu-as-$(CONFIG_E200) += -Wa,-me200
cpu-as-$(CONFIG_PPC_BOOK3S_64) += -Wa,-mpower4
+cpu-as-$(CONFIG_PPC_E500MC) += $(call as-option,-Wa$(comma)-me500mc)

KBUILD_AFLAGS += $(cpu-as-y)
KBUILD_CFLAGS += $(cpu-as-y)
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index c904477abaf3..d926100da914 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -711,7 +711,8 @@ static __init void cpufeatures_cpu_quirks(void)
cur_cpu_spec->cpu_features |= CPU_FTR_P9_TM_HV_ASSIST;
cur_cpu_spec->cpu_features |= CPU_FTR_P9_TM_XER_SO_BUG;
cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD2_1;
- } else /* DD2.1 and up have DD2_1 */
+ } else if ((version & 0xffff0000) == 0x004e0000)
+ /* DD2.1 and up have DD2_1 */
cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD2_1;

if ((version & 0xffff0000) == 0x004e0000) {
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 51695608c68b..3d1af55e09dc 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -596,6 +596,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
* actually hit this code path.
*/

+ isync
slbie r6
slbie r6 /* Workaround POWER5 < DD2.1 issue */
slbmte r7,r0
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 3c2c2688918f..fe631022ea89 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1155,6 +1155,9 @@ void fadump_cleanup(void)
init_fadump_mem_struct(&fdm,
be64_to_cpu(fdm_active->cpu_state_data.destination_address));
fadump_invalidate_dump(&fdm);
+ } else if (fw_dump.dump_registered) {
+ /* Un-register Firmware-assisted dump if it was registered. */
+ fadump_unregister_dump(&fdm);
}
}

diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 4c1012b80d3b..80547dad37da 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -178,8 +178,8 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
if (cpu_has_feature(CPU_FTR_DAWR)) {
length_max = 512 ; /* 64 doublewords */
/* DAWR region can't cross 512 boundary */
- if ((bp->attr.bp_addr >> 10) !=
- ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 10))
+ if ((bp->attr.bp_addr >> 9) !=
+ ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 9))
return -EINVAL;
}
if (info->len >
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index d23cf632edf0..0f63dd5972e9 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -2443,6 +2443,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
/* Create a new breakpoint request if one doesn't exist already */
hw_breakpoint_init(&attr);
attr.bp_addr = hw_brk.address;
+ attr.bp_len = 8;
arch_bp_generic_fields(hw_brk.type,
&attr.bp_type);

diff --git a/arch/powerpc/mm/pkeys.c b/arch/powerpc/mm/pkeys.c
index 0eafdf01edc7..e6f500fabf5e 100644
--- a/arch/powerpc/mm/pkeys.c
+++ b/arch/powerpc/mm/pkeys.c
@@ -383,9 +383,9 @@ int __arch_override_mprotect_pkey(struct vm_area_struct *vma, int prot,
{
/*
* If the currently associated pkey is execute-only, but the requested
- * protection requires read or write, move it back to the default pkey.
+ * protection is not execute-only, move it back to the default pkey.
*/
- if (vma_is_pkey_exec_only(vma) && (prot & (PROT_READ | PROT_WRITE)))
+ if (vma_is_pkey_exec_only(vma) && (prot != PROT_EXEC))
return 0;

/*
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index a5d7309c2d05..465cb604b33a 100644
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -733,6 +733,8 @@ extern void radix_kvm_prefetch_workaround(struct mm_struct *mm)
for (; sib <= cpu_last_thread_sibling(cpu) && !flush; sib++) {
if (sib == cpu)
continue;
+ if (!cpu_possible(sib))
+ continue;
if (paca_ptrs[sib]->kvm_hstate.kvm_vcpu)
flush = true;
}
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index d7532e7b9ab5..75fb23c24ee8 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -1146,7 +1146,7 @@ static int init_nest_pmu_ref(void)

static void cleanup_all_core_imc_memory(void)
{
- int i, nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core);
+ int i, nr_cores = DIV_ROUND_UP(num_possible_cpus(), threads_per_core);
struct imc_mem_info *ptr = core_imc_pmu->mem_info;
int size = core_imc_pmu->counter_mem_size;

@@ -1264,7 +1264,7 @@ static int imc_mem_init(struct imc_pmu *pmu_ptr, struct device_node *parent,
if (!pmu_ptr->pmu.name)
return -ENOMEM;

- nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core);
+ nr_cores = DIV_ROUND_UP(num_possible_cpus(), threads_per_core);
pmu_ptr->mem_info = kcalloc(nr_cores, sizeof(struct imc_mem_info),
GFP_KERNEL);

diff --git a/arch/powerpc/platforms/powernv/copy-paste.h b/arch/powerpc/platforms/powernv/copy-paste.h
index c9a503623431..e9a6c35f8a29 100644
--- a/arch/powerpc/platforms/powernv/copy-paste.h
+++ b/arch/powerpc/platforms/powernv/copy-paste.h
@@ -42,5 +42,6 @@ static inline int vas_paste(void *paste_address, int offset)
: "b" (offset), "b" (paste_address)
: "memory", "cr0");

- return (cr >> CR0_SHIFT) & CR0_MASK;
+ /* We mask with 0xE to ignore SO */
+ return (cr >> CR0_SHIFT) & 0xE;
}
diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c
index 1f12ab1e6030..1c5d0675b43c 100644
--- a/arch/powerpc/platforms/powernv/idle.c
+++ b/arch/powerpc/platforms/powernv/idle.c
@@ -79,7 +79,7 @@ static int pnv_save_sprs_for_deep_states(void)
uint64_t msr_val = MSR_IDLE;
uint64_t psscr_val = pnv_deepest_stop_psscr_val;

- for_each_possible_cpu(cpu) {
+ for_each_present_cpu(cpu) {
uint64_t pir = get_hard_smp_processor_id(cpu);
uint64_t hsprg0_val = (uint64_t)paca_ptrs[cpu];

@@ -814,7 +814,7 @@ static int __init pnv_init_idle_states(void)
int cpu;

pr_info("powernv: idle: Saving PACA pointers of all CPUs in their thread sibling PACA\n");
- for_each_possible_cpu(cpu) {
+ for_each_present_cpu(cpu) {
int base_cpu = cpu_first_thread_sibling(cpu);
int idx = cpu_thread_in_core(cpu);
int i;
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 3f9c69d7623a..f7d9b3433a29 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -3642,7 +3642,6 @@ static void pnv_pci_ioda2_release_pe_dma(struct pnv_ioda_pe *pe)
WARN_ON(pe->table_group.group);
}

- pnv_pci_ioda2_table_free_pages(tbl);
iommu_tce_table_put(tbl);
}

diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 02168fe25105..cf9bf9b43ec3 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -188,7 +188,7 @@ static int get_transport_options(struct arglist *def)
if (strncmp(transport, TRANS_TAP, TRANS_TAP_LEN) == 0)
return (vec_rx | VECTOR_BPF);
if (strncmp(transport, TRANS_RAW, TRANS_RAW_LEN) == 0)
- return (vec_rx | vec_tx);
+ return (vec_rx | vec_tx | VECTOR_QDISC_BYPASS);
return (vec_rx | vec_tx);
}

@@ -504,15 +504,19 @@ static struct vector_queue *create_queue(

result = kmalloc(sizeof(struct vector_queue), GFP_KERNEL);
if (result == NULL)
- goto out_fail;
+ return NULL;
result->max_depth = max_size;
result->dev = vp->dev;
result->mmsg_vector = kmalloc(
(sizeof(struct mmsghdr) * max_size), GFP_KERNEL);
+ if (result->mmsg_vector == NULL)
+ goto out_mmsg_fail;
result->skbuff_vector = kmalloc(
(sizeof(void *) * max_size), GFP_KERNEL);
- if (result->mmsg_vector == NULL || result->skbuff_vector == NULL)
- goto out_fail;
+ if (result->skbuff_vector == NULL)
+ goto out_skb_fail;
+
+ /* further failures can be handled safely by destroy_queue*/

mmsg_vector = result->mmsg_vector;
for (i = 0; i < max_size; i++) {
@@ -563,6 +567,11 @@ static struct vector_queue *create_queue(
result->head = 0;
result->tail = 0;
return result;
+out_skb_fail:
+ kfree(result->mmsg_vector);
+out_mmsg_fail:
+ kfree(result);
+ return NULL;
out_fail:
destroy_queue(result);
return NULL;
@@ -1232,9 +1241,8 @@ static int vector_net_open(struct net_device *dev)

if ((vp->options & VECTOR_QDISC_BYPASS) != 0) {
if (!uml_raw_enable_qdisc_bypass(vp->fds->rx_fd))
- vp->options = vp->options | VECTOR_BPF;
+ vp->options |= VECTOR_BPF;
}
-
if ((vp->options & VECTOR_BPF) != 0)
vp->bpf = uml_vector_default_bpf(vp->fds->rx_fd, dev->dev_addr);

diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index 9de7f1e1dede..7d0df78db727 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -84,13 +84,13 @@ ENTRY(entry_SYSENTER_compat)
pushq %rdx /* pt_regs->dx */
pushq %rcx /* pt_regs->cx */
pushq $-ENOSYS /* pt_regs->ax */
- pushq %r8 /* pt_regs->r8 */
+ pushq $0 /* pt_regs->r8 = 0 */
xorl %r8d, %r8d /* nospec r8 */
- pushq %r9 /* pt_regs->r9 */
+ pushq $0 /* pt_regs->r9 = 0 */
xorl %r9d, %r9d /* nospec r9 */
- pushq %r10 /* pt_regs->r10 */
+ pushq $0 /* pt_regs->r10 = 0 */
xorl %r10d, %r10d /* nospec r10 */
- pushq %r11 /* pt_regs->r11 */
+ pushq $0 /* pt_regs->r11 = 0 */
xorl %r11d, %r11d /* nospec r11 */
pushq %rbx /* pt_regs->rbx */
xorl %ebx, %ebx /* nospec rbx */
@@ -374,13 +374,13 @@ ENTRY(entry_INT80_compat)
pushq %rcx /* pt_regs->cx */
xorl %ecx, %ecx /* nospec cx */
pushq $-ENOSYS /* pt_regs->ax */
- pushq $0 /* pt_regs->r8 = 0 */
+ pushq %r8 /* pt_regs->r8 */
xorl %r8d, %r8d /* nospec r8 */
- pushq $0 /* pt_regs->r9 = 0 */
+ pushq %r9 /* pt_regs->r9 */
xorl %r9d, %r9d /* nospec r9 */
- pushq $0 /* pt_regs->r10 = 0 */
+ pushq %r10 /* pt_regs->r10*/
xorl %r10d, %r10d /* nospec r10 */
- pushq $0 /* pt_regs->r11 = 0 */
+ pushq %r11 /* pt_regs->r11 */
xorl %r11d, %r11d /* nospec r11 */
pushq %rbx /* pt_regs->rbx */
xorl %ebx, %ebx /* nospec rbx */
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index 042b5e892ed1..14de0432d288 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -38,7 +38,7 @@ static inline unsigned long array_index_mask_nospec(unsigned long index,
{
unsigned long mask;

- asm ("cmp %1,%2; sbb %0,%0;"
+ asm volatile ("cmp %1,%2; sbb %0,%0;"
:"=r" (mask)
:"g"(size),"r" (index)
:"cc");
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index efaf2d4f9c3c..d492752f79e1 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/crash_dump.h>
#include <linux/reboot.h>
+#include <linux/memory.h>

#include <asm/uv/uv_mmrs.h>
#include <asm/uv/uv_hub.h>
@@ -392,6 +393,51 @@ extern int uv_hub_info_version(void)
}
EXPORT_SYMBOL(uv_hub_info_version);

+/* Default UV memory block size is 2GB */
+static unsigned long mem_block_size = (2UL << 30);
+
+/* Kernel parameter to specify UV mem block size */
+static int parse_mem_block_size(char *ptr)
+{
+ unsigned long size = memparse(ptr, NULL);
+
+ /* Size will be rounded down by set_block_size() below */
+ mem_block_size = size;
+ return 0;
+}
+early_param("uv_memblksize", parse_mem_block_size);
+
+static __init int adj_blksize(u32 lgre)
+{
+ unsigned long base = (unsigned long)lgre << UV_GAM_RANGE_SHFT;
+ unsigned long size;
+
+ for (size = mem_block_size; size > MIN_MEMORY_BLOCK_SIZE; size >>= 1)
+ if (IS_ALIGNED(base, size))
+ break;
+
+ if (size >= mem_block_size)
+ return 0;
+
+ mem_block_size = size;
+ return 1;
+}
+
+static __init void set_block_size(void)
+{
+ unsigned int order = ffs(mem_block_size);
+
+ if (order) {
+ /* adjust for ffs return of 1..64 */
+ set_memory_block_size_order(order - 1);
+ pr_info("UV: mem_block_size set to 0x%lx\n", mem_block_size);
+ } else {
+ /* bad or zero value, default to 1UL << 31 (2GB) */
+ pr_err("UV: mem_block_size error with 0x%lx\n", mem_block_size);
+ set_memory_block_size_order(31);
+ }
+}
+
/* Build GAM range lookup table: */
static __init void build_uv_gr_table(void)
{
@@ -1180,23 +1226,30 @@ static void __init decode_gam_rng_tbl(unsigned long ptr)
<< UV_GAM_RANGE_SHFT);
int order = 0;
char suffix[] = " KMGTPE";
+ int flag = ' ';

while (size > 9999 && order < sizeof(suffix)) {
size /= 1024;
order++;
}

+ /* adjust max block size to current range start */
+ if (gre->type == 1 || gre->type == 2)
+ if (adj_blksize(lgre))
+ flag = '*';
+
if (!index) {
pr_info("UV: GAM Range Table...\n");
- pr_info("UV: # %20s %14s %5s %4s %5s %3s %2s\n", "Range", "", "Size", "Type", "NASID", "SID", "PN");
+ pr_info("UV: # %20s %14s %6s %4s %5s %3s %2s\n", "Range", "", "Size", "Type", "NASID", "SID", "PN");
}
- pr_info("UV: %2d: 0x%014lx-0x%014lx %5lu%c %3d %04x %02x %02x\n",
+ pr_info("UV: %2d: 0x%014lx-0x%014lx%c %5lu%c %3d %04x %02x %02x\n",
index++,
(unsigned long)lgre << UV_GAM_RANGE_SHFT,
(unsigned long)gre->limit << UV_GAM_RANGE_SHFT,
- size, suffix[order],
+ flag, size, suffix[order],
gre->type, gre->nasid, gre->sockid, gre->pnode);

+ /* update to next range start */
lgre = gre->limit;
if (sock_min > gre->sockid)
sock_min = gre->sockid;
@@ -1427,6 +1480,7 @@ static void __init uv_system_init_hub(void)

build_socket_tables();
build_uv_gr_table();
+ set_block_size();
uv_init_hub_info(&hub_info);
uv_possible_blades = num_possible_nodes();
if (!_node_to_pnode)
diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c
index 5bbd06f38ff6..f34d89c01edc 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-severity.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c
@@ -160,6 +160,11 @@ static struct severity {
SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD, MCI_UC_SAR|MCI_ADDR|MCACOD_INSTR),
USER
),
+ MCESEV(
+ PANIC, "Data load in unrecoverable area of kernel",
+ SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD, MCI_UC_SAR|MCI_ADDR|MCACOD_DATA),
+ KERNEL
+ ),
#endif
MCESEV(
PANIC, "Action required: unknown MCACOD",
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 42cf2880d0ed..6f7eda9d5297 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -772,23 +772,25 @@ EXPORT_SYMBOL_GPL(machine_check_poll);
static int mce_no_way_out(struct mce *m, char **msg, unsigned long *validp,
struct pt_regs *regs)
{
- int i, ret = 0;
char *tmp;
+ int i;

for (i = 0; i < mca_cfg.banks; i++) {
m->status = mce_rdmsrl(msr_ops.status(i));
- if (m->status & MCI_STATUS_VAL) {
- __set_bit(i, validp);
- if (quirk_no_way_out)
- quirk_no_way_out(i, m, regs);
- }
+ if (!(m->status & MCI_STATUS_VAL))
+ continue;
+
+ __set_bit(i, validp);
+ if (quirk_no_way_out)
+ quirk_no_way_out(i, m, regs);

if (mce_severity(m, mca_cfg.tolerant, &tmp, true) >= MCE_PANIC_SEVERITY) {
+ mce_read_aux(m, i);
*msg = tmp;
- ret = 1;
+ return 1;
}
}
- return ret;
+ return 0;
}

/*
@@ -1205,13 +1207,18 @@ void do_machine_check(struct pt_regs *regs, long error_code)
lmce = m.mcgstatus & MCG_STATUS_LMCES;

/*
+ * Local machine check may already know that we have to panic.
+ * Broadcast machine check begins rendezvous in mce_start()
* Go through all banks in exclusion of the other CPUs. This way we
* don't report duplicated events on shared banks because the first one
- * to see it will clear it. If this is a Local MCE, then no need to
- * perform rendezvous.
+ * to see it will clear it.
*/
- if (!lmce)
+ if (lmce) {
+ if (no_way_out)
+ mce_panic("Fatal local machine check", &m, msg);
+ } else {
order = mce_start(&no_way_out);
+ }

for (i = 0; i < cfg->banks; i++) {
__clear_bit(i, toclear);
@@ -1287,12 +1294,17 @@ void do_machine_check(struct pt_regs *regs, long error_code)
no_way_out = worst >= MCE_PANIC_SEVERITY;
} else {
/*
- * Local MCE skipped calling mce_reign()
- * If we found a fatal error, we need to panic here.
+ * If there was a fatal machine check we should have
+ * already called mce_panic earlier in this function.
+ * Since we re-read the banks, we might have found
+ * something new. Check again to see if we found a
+ * fatal error. We call "mce_severity()" again to
+ * make sure we have the right "msg".
*/
- if (worst >= MCE_PANIC_SEVERITY && mca_cfg.tolerant < 3)
- mce_panic("Machine check from unknown source",
- NULL, NULL);
+ if (worst >= MCE_PANIC_SEVERITY && mca_cfg.tolerant < 3) {
+ mce_severity(&m, cfg->tolerant, &msg, true);
+ mce_panic("Local fatal machine check!", &m, msg);
+ }
}

/*
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 6a2cb1442e05..aec38a170dbc 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1246,6 +1246,7 @@ void __init e820__memblock_setup(void)
{
int i;
u64 end;
+ u64 addr = 0;

/*
* The bootstrap memblock region count maximum is 128 entries
@@ -1262,13 +1263,21 @@ void __init e820__memblock_setup(void)
struct e820_entry *entry = &e820_table->entries[i];

end = entry->addr + entry->size;
+ if (addr < entry->addr)
+ memblock_reserve(addr, entry->addr - addr);
+ addr = end;
if (end != (resource_size_t)end)
continue;

+ /*
+ * all !E820_TYPE_RAM ranges (including gap ranges) are put
+ * into memblock.reserved to make sure that struct pages in
+ * such regions are not left uninitialized after bootup.
+ */
if (entry->type != E820_TYPE_RAM && entry->type != E820_TYPE_RESERVED_KERN)
- continue;
-
- memblock_add(entry->addr, entry->size);
+ memblock_reserve(entry->addr, entry->size);
+ else
+ memblock_add(entry->addr, entry->size);
}

/* Throw away partial pages: */
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 697a4ce04308..736348ead421 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -645,12 +645,19 @@ static void quirk_intel_brickland_xeon_ras_cap(struct pci_dev *pdev)
/* Skylake */
static void quirk_intel_purley_xeon_ras_cap(struct pci_dev *pdev)
{
- u32 capid0;
+ u32 capid0, capid5;

pci_read_config_dword(pdev, 0x84, &capid0);
+ pci_read_config_dword(pdev, 0x98, &capid5);

- if ((capid0 & 0xc0) == 0xc0)
+ /*
+ * CAPID0{7:6} indicate whether this is an advanced RAS SKU
+ * CAPID5{8:5} indicate that various NVDIMM usage modes are
+ * enabled, so memory machine check recovery is also enabled.
+ */
+ if ((capid0 & 0xc0) == 0xc0 || (capid5 & 0x1e0))
static_branch_inc(&mcsafe_key);
+
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x0ec3, quirk_intel_brickland_xeon_ras_cap);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2fc0, quirk_intel_brickland_xeon_ras_cap);
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 03f3d7695dac..162a31d80ad5 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -834,16 +834,18 @@ static void math_error(struct pt_regs *regs, int error_code, int trapnr)
char *str = (trapnr == X86_TRAP_MF) ? "fpu exception" :
"simd exception";

- if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, SIGFPE) == NOTIFY_STOP)
- return;
cond_local_irq_enable(regs);

if (!user_mode(regs)) {
- if (!fixup_exception(regs, trapnr)) {
- task->thread.error_code = error_code;
- task->thread.trap_nr = trapnr;
+ if (fixup_exception(regs, trapnr))
+ return;
+
+ task->thread.error_code = error_code;
+ task->thread.trap_nr = trapnr;
+
+ if (notify_die(DIE_TRAP, str, regs, error_code,
+ trapnr, SIGFPE) != NOTIFY_STOP)
die(str, regs, error_code);
- }
return;
}

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index fec82b577c18..cee58a972cb2 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -706,7 +706,9 @@ void __init init_mem_mapping(void)
*/
int devmem_is_allowed(unsigned long pagenr)
{
- if (page_is_ram(pagenr)) {
+ if (region_intersects(PFN_PHYS(pagenr), PAGE_SIZE,
+ IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE)
+ != REGION_DISJOINT) {
/*
* For disallowed memory regions in the low 1MB range,
* request that the page be shown as all zeros.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 0a400606dea0..20d8bf5fbceb 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1350,16 +1350,28 @@ int kern_addr_valid(unsigned long addr)
/* Amount of ram needed to start using large blocks */
#define MEM_SIZE_FOR_LARGE_BLOCK (64UL << 30)

+/* Adjustable memory block size */
+static unsigned long set_memory_block_size;
+int __init set_memory_block_size_order(unsigned int order)
+{
+ unsigned long size = 1UL << order;
+
+ if (size > MEM_SIZE_FOR_LARGE_BLOCK || size < MIN_MEMORY_BLOCK_SIZE)
+ return -EINVAL;
+
+ set_memory_block_size = size;
+ return 0;
+}
+
static unsigned long probe_memory_block_size(void)
{
unsigned long boot_mem_end = max_pfn << PAGE_SHIFT;
unsigned long bz;

- /* If this is UV system, always set 2G block size */
- if (is_uv_system()) {
- bz = MAX_BLOCK_SIZE;
+ /* If memory block size has been set, then use it */
+ bz = set_memory_block_size;
+ if (bz)
goto done;
- }

/* Use regular block if RAM is smaller than MEM_SIZE_FOR_LARGE_BLOCK */
if (boot_mem_end < MEM_SIZE_FOR_LARGE_BLOCK) {
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index bed7e7f4e44c..84fbfaba8404 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -166,14 +166,14 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd)
pgd = pgd_offset_k(pgd_idx * PGDIR_SIZE);
set_pgd(pgd_offset_k(pgd_idx * PGDIR_SIZE), save_pgd[pgd_idx]);

- if (!(pgd_val(*pgd) & _PAGE_PRESENT))
+ if (!pgd_present(*pgd))
continue;

for (i = 0; i < PTRS_PER_P4D; i++) {
p4d = p4d_offset(pgd,
pgd_idx * PGDIR_SIZE + i * P4D_SIZE);

- if (!(p4d_val(*p4d) & _PAGE_PRESENT))
+ if (!p4d_present(*p4d))
continue;

pud = (pud_t *)p4d_page_vaddr(*p4d);
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 2e20ae2fa2d6..e3b18ad49889 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -32,6 +32,7 @@
#include <xen/interface/vcpu.h>
#include <xen/interface/xenpmu.h>

+#include <asm/spec-ctrl.h>
#include <asm/xen/interface.h>
#include <asm/xen/hypercall.h>

@@ -70,6 +71,8 @@ static void cpu_bringup(void)
cpu_data(cpu).x86_max_cores = 1;
set_cpu_sibling_map(cpu);

+ speculative_store_bypass_ht_init();
+
xen_setup_cpu_clockevents();

notify_cpu_starting(cpu);
@@ -250,6 +253,8 @@ static void __init xen_pv_smp_prepare_cpus(unsigned int max_cpus)
}
set_cpu_sibling_map(0);

+ speculative_store_bypass_ht_init();
+
xen_pmu_init(0);

if (xen_smp_intr_init(0) || xen_smp_intr_init_pv(0))
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 32c5207f1226..84a70b8cbe33 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -338,7 +338,7 @@ do_unaligned_user (struct pt_regs *regs)
info.si_errno = 0;
info.si_code = BUS_ADRALN;
info.si_addr = (void *) regs->excvaddr;
- force_sig_info(SIGSEGV, &info, current);
+ force_sig_info(SIGBUS, &info, current);

}
#endif
diff --git a/block/blk-core.c b/block/blk-core.c
index 85909b431eb0..b559b9d4f1a2 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -3487,6 +3487,10 @@ static void __blk_rq_prep_clone(struct request *dst, struct request *src)
dst->cpu = src->cpu;
dst->__sector = blk_rq_pos(src);
dst->__data_len = blk_rq_bytes(src);
+ if (src->rq_flags & RQF_SPECIAL_PAYLOAD) {
+ dst->rq_flags |= RQF_SPECIAL_PAYLOAD;
+ dst->special_vec = src->special_vec;
+ }
dst->nr_phys_segments = src->nr_phys_segments;
dst->ioprio = src->ioprio;
dst->extra_len = src->extra_len;
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 7d81e6bb461a..b6cabac4b62b 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -249,6 +249,15 @@ int x509_note_signature(void *context, size_t hdrlen,
return -EINVAL;
}

+ if (strcmp(ctx->cert->sig->pkey_algo, "rsa") == 0) {
+ /* Discard the BIT STRING metadata */
+ if (vlen < 1 || *(const u8 *)value != 0)
+ return -EBADMSG;
+
+ value++;
+ vlen--;
+ }
+
ctx->cert->raw_sig = value;
ctx->cert->raw_sig_size = vlen;
return 0;
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 2bcffec8dbf0..eb091375c873 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -22,6 +22,7 @@
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/pwm.h>
+#include <linux/suspend.h>
#include <linux/delay.h>

#include "internal.h"
@@ -229,11 +230,13 @@ static const struct lpss_device_desc lpt_sdio_dev_desc = {

static const struct lpss_device_desc byt_pwm_dev_desc = {
.flags = LPSS_SAVE_CTX,
+ .prv_offset = 0x800,
.setup = byt_pwm_setup,
};

static const struct lpss_device_desc bsw_pwm_dev_desc = {
.flags = LPSS_SAVE_CTX | LPSS_NO_D3_DELAY,
+ .prv_offset = 0x800,
.setup = bsw_pwm_setup,
};

@@ -940,9 +943,10 @@ static void lpss_iosf_exit_d3_state(void)
mutex_unlock(&lpss_iosf_mutex);
}

-static int acpi_lpss_suspend(struct device *dev, bool wakeup)
+static int acpi_lpss_suspend(struct device *dev, bool runtime)
{
struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
+ bool wakeup = runtime || device_may_wakeup(dev);
int ret;

if (pdata->dev_desc->flags & LPSS_SAVE_CTX)
@@ -955,13 +959,14 @@ static int acpi_lpss_suspend(struct device *dev, bool wakeup)
* wrong status for devices being about to be powered off. See
* lpss_iosf_enter_d3_state() for further information.
*/
- if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
+ if ((runtime || !pm_suspend_via_firmware()) &&
+ lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
lpss_iosf_enter_d3_state();

return ret;
}

-static int acpi_lpss_resume(struct device *dev)
+static int acpi_lpss_resume(struct device *dev, bool runtime)
{
struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
int ret;
@@ -970,7 +975,8 @@ static int acpi_lpss_resume(struct device *dev)
* This call is kept first to be in symmetry with
* acpi_lpss_runtime_suspend() one.
*/
- if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
+ if ((runtime || !pm_resume_via_firmware()) &&
+ lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available())
lpss_iosf_exit_d3_state();

ret = acpi_dev_resume(dev);
@@ -994,12 +1000,12 @@ static int acpi_lpss_suspend_late(struct device *dev)
return 0;

ret = pm_generic_suspend_late(dev);
- return ret ? ret : acpi_lpss_suspend(dev, device_may_wakeup(dev));
+ return ret ? ret : acpi_lpss_suspend(dev, false);
}

static int acpi_lpss_resume_early(struct device *dev)
{
- int ret = acpi_lpss_resume(dev);
+ int ret = acpi_lpss_resume(dev, false);

return ret ? ret : pm_generic_resume_early(dev);
}
@@ -1014,7 +1020,7 @@ static int acpi_lpss_runtime_suspend(struct device *dev)

static int acpi_lpss_runtime_resume(struct device *dev)
{
- int ret = acpi_lpss_resume(dev);
+ int ret = acpi_lpss_resume(dev, true);

return ret ? ret : pm_generic_runtime_resume(dev);
}
diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
index 2c2ed9cf8796..f9413755177b 100644
--- a/drivers/auxdisplay/Kconfig
+++ b/drivers/auxdisplay/Kconfig
@@ -14,9 +14,6 @@ menuconfig AUXDISPLAY

If you say N, all options in this submenu will be skipped and disabled.

-config CHARLCD
- tristate "Character LCD core support" if COMPILE_TEST
-
if AUXDISPLAY

config HD44780
@@ -157,8 +154,6 @@ config HT16K33
Say yes here to add support for Holtek HT16K33, RAM mapping 16*8
LED controller driver with keyscan.

-endif # AUXDISPLAY
-
config ARM_CHARLCD
bool "ARM Ltd. Character LCD Driver"
depends on PLAT_VERSATILE
@@ -169,6 +164,8 @@ config ARM_CHARLCD
line and the Linux version on the second line, but that's
still useful.

+endif # AUXDISPLAY
+
config PANEL
tristate "Parallel port LCD/Keypad Panel support"
depends on PARPORT
@@ -448,3 +445,6 @@ config PANEL_BOOT_MESSAGE
printf()-formatted message is valid with newline and escape codes.

endif # PANEL
+
+config CHARLCD
+ tristate "Character LCD core support" if COMPILE_TEST
diff --git a/drivers/base/core.c b/drivers/base/core.c
index d680fd030316..f4ba878dd2dc 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -216,6 +216,13 @@ struct device_link *device_link_add(struct device *consumer,
link->rpm_active = true;
}
pm_runtime_new_link(consumer);
+ /*
+ * If the link is being added by the consumer driver at probe
+ * time, balance the decrementation of the supplier's runtime PM
+ * usage counter after consumer probe in driver_probe_device().
+ */
+ if (consumer->links.status == DL_DEV_PROBING)
+ pm_runtime_get_noresume(supplier);
}
get_device(supplier);
link->supplier = supplier;
@@ -235,12 +242,12 @@ struct device_link *device_link_add(struct device *consumer,
switch (consumer->links.status) {
case DL_DEV_PROBING:
/*
- * Balance the decrementation of the supplier's
- * runtime PM usage counter after consumer probe
- * in driver_probe_device().
+ * Some callers expect the link creation during
+ * consumer driver probe to resume the supplier
+ * even without DL_FLAG_RPM_ACTIVE.
*/
if (flags & DL_FLAG_PM_RUNTIME)
- pm_runtime_get_sync(supplier);
+ pm_runtime_resume(supplier);

link->status = DL_STATE_CONSUMER_PROBE;
break;
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 1ea0e2502e8e..ef6cf3d5d2b5 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2246,6 +2246,9 @@ int genpd_dev_pm_attach(struct device *dev)
genpd_lock(pd);
ret = genpd_power_on(pd, 0);
genpd_unlock(pd);
+
+ if (ret)
+ genpd_remove_device(pd, dev);
out:
return ret ? -EPROBE_DEFER : 0;
}
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 33b36fea1d73..472afeed1d2f 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3397,7 +3397,6 @@ static void cancel_tasks_sync(struct rbd_device *rbd_dev)
{
dout("%s rbd_dev %p\n", __func__, rbd_dev);

- cancel_delayed_work_sync(&rbd_dev->watch_dwork);
cancel_work_sync(&rbd_dev->acquired_lock_work);
cancel_work_sync(&rbd_dev->released_lock_work);
cancel_delayed_work_sync(&rbd_dev->lock_dwork);
@@ -3415,6 +3414,7 @@ static void rbd_unregister_watch(struct rbd_device *rbd_dev)
rbd_dev->watch_state = RBD_WATCH_STATE_UNREGISTERED;
mutex_unlock(&rbd_dev->watch_mutex);

+ cancel_delayed_work_sync(&rbd_dev->watch_dwork);
ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc);
}

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 05ec530b8a3a..330e9b29e145 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -935,6 +935,12 @@ static int qca_setup(struct hci_uart *hu)
} else if (ret == -ENOENT) {
/* No patch/nvm-config found, run with original fw/config */
ret = 0;
+ } else if (ret == -EAGAIN) {
+ /*
+ * Userspace firmware loader will return -EAGAIN in case no
+ * patch/nvm-config is found, so run with original fw/config.
+ */
+ ret = 0;
}

/* Setup bdaddr */
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 91bb98c42a1c..aaf9e5afaad4 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -516,11 +516,18 @@ EXPORT_SYMBOL_GPL(hwrng_register);

void hwrng_unregister(struct hwrng *rng)
{
+ int err;
+
mutex_lock(&rng_mutex);

list_del(&rng->list);
- if (current_rng == rng)
- enable_best_rng();
+ if (current_rng == rng) {
+ err = enable_best_rng();
+ if (err) {
+ drop_current_rng();
+ cur_rng_set_by_user = 0;
+ }
+ }

if (list_empty(&rng_list)) {
mutex_unlock(&rng_mutex);
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index fd4ea8d87d4b..a3397664f800 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -504,11 +504,12 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
if (status & BT_H_BUSY) /* clear a leftover H_BUSY */
BT_CONTROL(BT_H_BUSY);

+ bt->timeout = bt->BT_CAP_req2rsp;
+
/* Read BT capabilities if it hasn't been done yet */
if (!bt->BT_CAP_outreqs)
BT_STATE_CHANGE(BT_STATE_CAPABILITIES_BEGIN,
SI_SM_CALL_WITHOUT_DELAY);
- bt->timeout = bt->BT_CAP_req2rsp;
BT_SI_SM_RETURN(SI_SM_IDLE);

case BT_STATE_XACTION_START:
diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c
index 230b99288024..e4a04b2d3c32 100644
--- a/drivers/char/tpm/tpm-dev-common.c
+++ b/drivers/char/tpm/tpm-dev-common.c
@@ -37,7 +37,7 @@ static void timeout_work(struct work_struct *work)
struct file_priv *priv = container_of(work, struct file_priv, work);

mutex_lock(&priv->buffer_mutex);
- atomic_set(&priv->data_pending, 0);
+ priv->data_pending = 0;
memset(priv->data_buffer, 0, sizeof(priv->data_buffer));
mutex_unlock(&priv->buffer_mutex);
}
@@ -46,7 +46,6 @@ void tpm_common_open(struct file *file, struct tpm_chip *chip,
struct file_priv *priv)
{
priv->chip = chip;
- atomic_set(&priv->data_pending, 0);
mutex_init(&priv->buffer_mutex);
timer_setup(&priv->user_read_timer, user_reader_timeout, 0);
INIT_WORK(&priv->work, timeout_work);
@@ -58,29 +57,24 @@ ssize_t tpm_common_read(struct file *file, char __user *buf,
size_t size, loff_t *off)
{
struct file_priv *priv = file->private_data;
- ssize_t ret_size;
- ssize_t orig_ret_size;
+ ssize_t ret_size = 0;
int rc;

del_singleshot_timer_sync(&priv->user_read_timer);
flush_work(&priv->work);
- ret_size = atomic_read(&priv->data_pending);
- if (ret_size > 0) { /* relay data */
- orig_ret_size = ret_size;
- if (size < ret_size)
- ret_size = size;
+ mutex_lock(&priv->buffer_mutex);

- mutex_lock(&priv->buffer_mutex);
+ if (priv->data_pending) {
+ ret_size = min_t(ssize_t, size, priv->data_pending);
rc = copy_to_user(buf, priv->data_buffer, ret_size);
- memset(priv->data_buffer, 0, orig_ret_size);
+ memset(priv->data_buffer, 0, priv->data_pending);
if (rc)
ret_size = -EFAULT;

- mutex_unlock(&priv->buffer_mutex);
+ priv->data_pending = 0;
}

- atomic_set(&priv->data_pending, 0);
-
+ mutex_unlock(&priv->buffer_mutex);
return ret_size;
}

@@ -91,17 +85,19 @@ ssize_t tpm_common_write(struct file *file, const char __user *buf,
size_t in_size = size;
ssize_t out_size;

+ if (in_size > TPM_BUFSIZE)
+ return -E2BIG;
+
+ mutex_lock(&priv->buffer_mutex);
+
/* Cannot perform a write until the read has cleared either via
* tpm_read or a user_read_timer timeout. This also prevents split
* buffered writes from blocking here.
*/
- if (atomic_read(&priv->data_pending) != 0)
+ if (priv->data_pending != 0) {
+ mutex_unlock(&priv->buffer_mutex);
return -EBUSY;
-
- if (in_size > TPM_BUFSIZE)
- return -E2BIG;
-
- mutex_lock(&priv->buffer_mutex);
+ }

if (copy_from_user
(priv->data_buffer, (void __user *) buf, in_size)) {
@@ -132,7 +128,7 @@ ssize_t tpm_common_write(struct file *file, const char __user *buf,
return out_size;
}

- atomic_set(&priv->data_pending, out_size);
+ priv->data_pending = out_size;
mutex_unlock(&priv->buffer_mutex);

/* Set a timeout by which the reader must come claim the result */
@@ -149,5 +145,5 @@ void tpm_common_release(struct file *file, struct file_priv *priv)
del_singleshot_timer_sync(&priv->user_read_timer);
flush_work(&priv->work);
file->private_data = NULL;
- atomic_set(&priv->data_pending, 0);
+ priv->data_pending = 0;
}
diff --git a/drivers/char/tpm/tpm-dev.h b/drivers/char/tpm/tpm-dev.h
index ba3b6f9dacf7..b24cfb4d3ee1 100644
--- a/drivers/char/tpm/tpm-dev.h
+++ b/drivers/char/tpm/tpm-dev.h
@@ -8,7 +8,7 @@ struct file_priv {
struct tpm_chip *chip;

/* Data passed to and from the tpm via the read/write calls */
- atomic_t data_pending;
+ size_t data_pending;
struct mutex buffer_mutex;

struct timer_list user_read_timer; /* user needs to claim result */
diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c
index 4e4014eabdb9..6122d3276f72 100644
--- a/drivers/char/tpm/tpm2-space.c
+++ b/drivers/char/tpm/tpm2-space.c
@@ -102,8 +102,9 @@ static int tpm2_load_context(struct tpm_chip *chip, u8 *buf,
* TPM_RC_REFERENCE_H0 means the session has been
* flushed outside the space
*/
- rc = -ENOENT;
+ *handle = 0;
tpm_buf_destroy(&tbuf);
+ return -ENOENT;
} else if (rc > 0) {
dev_warn(&chip->dev, "%s: failed with a TPM error 0x%04X\n",
__func__, rc);
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c
index 7d3223fc7161..72b6091eb7b9 100644
--- a/drivers/clk/at91/clk-pll.c
+++ b/drivers/clk/at91/clk-pll.c
@@ -132,19 +132,8 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_pll *pll = to_clk_pll(hw);
- unsigned int pllr;
- u16 mul;
- u8 div;
-
- regmap_read(pll->regmap, PLL_REG(pll->id), &pllr);
-
- div = PLL_DIV(pllr);
- mul = PLL_MUL(pllr, pll->layout);
-
- if (!div || !mul)
- return 0;

- return (parent_rate / div) * (mul + 1);
+ return (parent_rate / pll->div) * (pll->mul + 1);
}

static long clk_pll_get_best_div_mul(struct clk_pll *pll, unsigned long rate,
diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index 5eb50c31e455..2c23e7d7ba28 100644
--- a/drivers/clk/clk-aspeed.c
+++ b/drivers/clk/clk-aspeed.c
@@ -88,7 +88,7 @@ static const struct aspeed_gate_data aspeed_gates[] = {
[ASPEED_CLK_GATE_GCLK] = { 1, 7, "gclk-gate", NULL, 0 }, /* 2D engine */
[ASPEED_CLK_GATE_MCLK] = { 2, -1, "mclk-gate", "mpll", CLK_IS_CRITICAL }, /* SDRAM */
[ASPEED_CLK_GATE_VCLK] = { 3, 6, "vclk-gate", NULL, 0 }, /* Video Capture */
- [ASPEED_CLK_GATE_BCLK] = { 4, 10, "bclk-gate", "bclk", 0 }, /* PCIe/PCI */
+ [ASPEED_CLK_GATE_BCLK] = { 4, 8, "bclk-gate", "bclk", 0 }, /* PCIe/PCI */
[ASPEED_CLK_GATE_DCLK] = { 5, -1, "dclk-gate", NULL, 0 }, /* DAC */
[ASPEED_CLK_GATE_REFCLK] = { 6, -1, "refclk-gate", "clkin", CLK_IS_CRITICAL },
[ASPEED_CLK_GATE_USBPORT2CLK] = { 7, 3, "usb-port2-gate", NULL, 0 }, /* USB2.0 Host port 2 */
@@ -297,7 +297,7 @@ static const u8 aspeed_resets[] = {
[ASPEED_RESET_JTAG_MASTER] = 22,
[ASPEED_RESET_MIC] = 18,
[ASPEED_RESET_PWM] = 9,
- [ASPEED_RESET_PCIVGA] = 8,
+ [ASPEED_RESET_PECI] = 10,
[ASPEED_RESET_I2C] = 2,
[ASPEED_RESET_AHB] = 1,
};
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index d0524ec71aad..d0d320180c51 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -246,6 +246,13 @@ static struct clk_regmap meson8b_fclk_div2 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div2_div" },
.num_parents = 1,
+ /*
+ * FIXME: Ethernet with a RGMII PHYs is not working if
+ * fclk_div2 is disabled. it is currently unclear why this
+ * is. keep it enabled until the Ethernet driver knows how
+ * to manage this clock.
+ */
+ .flags = CLK_IS_CRITICAL,
},
};

diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 4e88e980fb76..69a7c756658b 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -258,8 +258,9 @@ struct clk *cpg_mssr_clk_src_twocell_get(struct of_phandle_args *clkspec,
dev_err(dev, "Cannot get %s clock %u: %ld", type, clkidx,
PTR_ERR(clk));
else
- dev_dbg(dev, "clock (%u, %u) is %pC at %pCr Hz\n",
- clkspec->args[0], clkspec->args[1], clk, clk);
+ dev_dbg(dev, "clock (%u, %u) is %pC at %lu Hz\n",
+ clkspec->args[0], clkspec->args[1], clk,
+ clk_get_rate(clk));
return clk;
}

@@ -326,7 +327,7 @@ static void __init cpg_mssr_register_core_clk(const struct cpg_core_clk *core,
if (IS_ERR_OR_NULL(clk))
goto fail;

- dev_dbg(dev, "Core clock %pC at %pCr Hz\n", clk, clk);
+ dev_dbg(dev, "Core clock %pC at %lu Hz\n", clk, clk_get_rate(clk));
priv->clks[id] = clk;
return;

@@ -392,7 +393,7 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod,
if (IS_ERR(clk))
goto fail;

- dev_dbg(dev, "Module clock %pC at %pCr Hz\n", clk, clk);
+ dev_dbg(dev, "Module clock %pC at %lu Hz\n", clk, clk_get_rate(clk));
priv->clks[id] = clk;
priv->smstpcr_saved[clock->index / 32].mask |= BIT(clock->index % 32);
return;
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 17e566afbb41..bd3f0a9d5e60 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -284,6 +284,7 @@ struct pstate_funcs {
static struct pstate_funcs pstate_funcs __read_mostly;

static int hwp_active __read_mostly;
+static int hwp_mode_bdw __read_mostly;
static bool per_cpu_limits __read_mostly;

static struct cpufreq_driver *intel_pstate_driver __read_mostly;
@@ -1370,7 +1371,15 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
cpu->pstate.turbo_pstate = pstate_funcs.get_turbo();
cpu->pstate.scaling = pstate_funcs.get_scaling();
cpu->pstate.max_freq = cpu->pstate.max_pstate * cpu->pstate.scaling;
- cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
+
+ if (hwp_active && !hwp_mode_bdw) {
+ unsigned int phy_max, current_max;
+
+ intel_pstate_get_hwp_max(cpu->cpu, &phy_max, &current_max);
+ cpu->pstate.turbo_freq = phy_max * cpu->pstate.scaling;
+ } else {
+ cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
+ }

if (pstate_funcs.get_aperf_mperf_shift)
cpu->aperf_mperf_shift = pstate_funcs.get_aperf_mperf_shift();
@@ -2252,28 +2261,36 @@ static inline bool intel_pstate_has_acpi_ppc(void) { return false; }
static inline void intel_pstate_request_control_from_smm(void) {}
#endif /* CONFIG_ACPI */

+#define INTEL_PSTATE_HWP_BROADWELL 0x01
+
+#define ICPU_HWP(model, hwp_mode) \
+ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_HWP, hwp_mode }
+
static const struct x86_cpu_id hwp_support_ids[] __initconst = {
- { X86_VENDOR_INTEL, 6, X86_MODEL_ANY, X86_FEATURE_HWP },
+ ICPU_HWP(INTEL_FAM6_BROADWELL_X, INTEL_PSTATE_HWP_BROADWELL),
+ ICPU_HWP(INTEL_FAM6_BROADWELL_XEON_D, INTEL_PSTATE_HWP_BROADWELL),
+ ICPU_HWP(X86_MODEL_ANY, 0),
{}
};

static int __init intel_pstate_init(void)
{
+ const struct x86_cpu_id *id;
int rc;

if (no_load)
return -ENODEV;

- if (x86_match_cpu(hwp_support_ids)) {
+ id = x86_match_cpu(hwp_support_ids);
+ if (id) {
copy_cpu_funcs(&core_funcs);
if (!no_hwp) {
hwp_active++;
+ hwp_mode_bdw = id->driver_data;
intel_pstate.attr = hwp_cpufreq_attrs;
goto hwp_cpu_matched;
}
} else {
- const struct x86_cpu_id *id;
-
id = x86_match_cpu(intel_pstate_cpu_ids);
if (!id)
return -ENODEV;
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index 1a8234e706bc..d29e4f041efe 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -43,9 +43,31 @@ struct stop_psscr_table {

static struct stop_psscr_table stop_psscr_table[CPUIDLE_STATE_MAX] __read_mostly;

-static u64 snooze_timeout __read_mostly;
+static u64 default_snooze_timeout __read_mostly;
static bool snooze_timeout_en __read_mostly;

+static u64 get_snooze_timeout(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ int i;
+
+ if (unlikely(!snooze_timeout_en))
+ return default_snooze_timeout;
+
+ for (i = index + 1; i < drv->state_count; i++) {
+ struct cpuidle_state *s = &drv->states[i];
+ struct cpuidle_state_usage *su = &dev->states_usage[i];
+
+ if (s->disabled || su->disable)
+ continue;
+
+ return s->target_residency * tb_ticks_per_usec;
+ }
+
+ return default_snooze_timeout;
+}
+
static int snooze_loop(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
@@ -56,7 +78,7 @@ static int snooze_loop(struct cpuidle_device *dev,

local_irq_enable();

- snooze_exit_time = get_tb() + snooze_timeout;
+ snooze_exit_time = get_tb() + get_snooze_timeout(dev, drv, index);
ppc64_runlatch_off();
HMT_very_low();
while (!need_resched()) {
@@ -465,11 +487,9 @@ static int powernv_idle_probe(void)
cpuidle_state_table = powernv_states;
/* Device tree can indicate more idle states */
max_idle_state = powernv_add_idle_states();
- if (max_idle_state > 1) {
+ default_snooze_timeout = TICK_USEC * tb_ticks_per_usec;
+ if (max_idle_state > 1)
snooze_timeout_en = true;
- snooze_timeout = powernv_states[1].target_residency *
- tb_ticks_per_usec;
- }
} else
return -ENODEV;

diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c
index 9d08cea3f1b0..9f5f35362f27 100644
--- a/drivers/firmware/efi/libstub/tpm.c
+++ b/drivers/firmware/efi/libstub/tpm.c
@@ -64,7 +64,7 @@ void efi_retrieve_tpm2_eventlog_1_2(efi_system_table_t *sys_table_arg)
efi_guid_t tcg2_guid = EFI_TCG2_PROTOCOL_GUID;
efi_guid_t linux_eventlog_guid = LINUX_EFI_TPM_EVENT_LOG_GUID;
efi_status_t status;
- efi_physical_addr_t log_location, log_last_entry;
+ efi_physical_addr_t log_location = 0, log_last_entry = 0;
struct linux_efi_tpm_eventlog *log_tbl = NULL;
unsigned long first_entry_addr, last_entry_addr;
size_t log_size, last_entry_size;
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 3b73dee6fdc6..e97105ae4158 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -37,6 +37,10 @@ MODULE_PARM_DESC(force, "force loading on processors with erratum 319");
/* Provide lock for writing to NB_SMU_IND_ADDR */
static DEFINE_MUTEX(nb_smu_ind_mutex);

+#ifndef PCI_DEVICE_ID_AMD_15H_M70H_NB_F3
+#define PCI_DEVICE_ID_AMD_15H_M70H_NB_F3 0x15b3
+#endif
+
#ifndef PCI_DEVICE_ID_AMD_17H_DF_F3
#define PCI_DEVICE_ID_AMD_17H_DF_F3 0x1463
#endif
@@ -320,6 +324,7 @@ static const struct pci_device_id k10temp_id_table[] = {
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M10H_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M60H_NB_F3) },
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M70H_NB_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) },
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 3df0efd69ae3..1147bddb8b2c 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -649,11 +649,6 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
if (bit_adap->getscl == NULL)
adap->quirks = &i2c_bit_quirk_no_clk_stretch;

- /* Bring bus to a known state. Looks like STOP if bus is not free yet */
- setscl(bit_adap, 1);
- udelay(bit_adap->udelay);
- setsda(bit_adap, 1);
-
ret = add_adapter(adap);
if (ret < 0)
return ret;
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 58abb3eced58..20b81bec0b0b 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -279,9 +279,9 @@ static int i2c_gpio_probe(struct platform_device *pdev)
* required for an I2C bus.
*/
if (pdata->scl_is_open_drain)
- gflags = GPIOD_OUT_LOW;
+ gflags = GPIOD_OUT_HIGH;
else
- gflags = GPIOD_OUT_LOW_OPEN_DRAIN;
+ gflags = GPIOD_OUT_HIGH_OPEN_DRAIN;
priv->scl = i2c_gpio_get_desc(dev, "scl", 1, gflags);
if (IS_ERR(priv->scl))
return PTR_ERR(priv->scl);
diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index f33dadf7b262..562f125235db 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -1277,7 +1277,7 @@ static int sca3000_configure_ring(struct iio_dev *indio_dev)
{
struct iio_buffer *buffer;

- buffer = iio_kfifo_allocate();
+ buffer = devm_iio_kfifo_allocate(&indio_dev->dev);
if (!buffer)
return -ENOMEM;

@@ -1287,11 +1287,6 @@ static int sca3000_configure_ring(struct iio_dev *indio_dev)
return 0;
}

-static void sca3000_unconfigure_ring(struct iio_dev *indio_dev)
-{
- iio_kfifo_free(indio_dev->buffer);
-}
-
static inline
int __sca3000_hw_ring_state_set(struct iio_dev *indio_dev, bool state)
{
@@ -1546,8 +1541,6 @@ static int sca3000_remove(struct spi_device *spi)
if (spi->irq)
free_irq(spi->irq, indio_dev);

- sca3000_unconfigure_ring(indio_dev);
-
return 0;
}

diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index 70fbf92f9827..03a5f7d6cb0c 100644
--- a/drivers/iio/adc/ad7791.c
+++ b/drivers/iio/adc/ad7791.c
@@ -244,58 +244,9 @@ static int ad7791_read_raw(struct iio_dev *indio_dev,
return -EINVAL;
}

-static const char * const ad7791_sample_freq_avail[] = {
- [AD7791_FILTER_RATE_120] = "120",
- [AD7791_FILTER_RATE_100] = "100",
- [AD7791_FILTER_RATE_33_3] = "33.3",
- [AD7791_FILTER_RATE_20] = "20",
- [AD7791_FILTER_RATE_16_6] = "16.6",
- [AD7791_FILTER_RATE_16_7] = "16.7",
- [AD7791_FILTER_RATE_13_3] = "13.3",
- [AD7791_FILTER_RATE_9_5] = "9.5",
-};
-
-static ssize_t ad7791_read_frequency(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct ad7791_state *st = iio_priv(indio_dev);
- unsigned int rate = st->filter & AD7791_FILTER_RATE_MASK;
-
- return sprintf(buf, "%s\n", ad7791_sample_freq_avail[rate]);
-}
-
-static ssize_t ad7791_write_frequency(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t len)
-{
- struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct ad7791_state *st = iio_priv(indio_dev);
- int i, ret;
-
- i = sysfs_match_string(ad7791_sample_freq_avail, buf);
- if (i < 0)
- return i;
-
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
- st->filter &= ~AD7791_FILTER_RATE_MASK;
- st->filter |= i;
- ad_sd_write_reg(&st->sd, AD7791_REG_FILTER, sizeof(st->filter),
- st->filter);
- iio_device_release_direct_mode(indio_dev);
-
- return len;
-}
-
-static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
- ad7791_read_frequency,
- ad7791_write_frequency);
-
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("120 100 33.3 20 16.7 16.6 13.3 9.5");

static struct attribute *ad7791_attributes[] = {
- &iio_dev_attr_sampling_frequency.dev_attr.attr,
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
NULL
};
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 2b6c9b516070..d76455edd292 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -119,16 +119,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
umem->length = size;
umem->address = addr;
umem->page_shift = PAGE_SHIFT;
- /*
- * We ask for writable memory if any of the following
- * access flags are set. "Local write" and "remote write"
- * obviously require write access. "Remote atomic" can do
- * things like fetch and add, which will modify memory, and
- * "MW bind" can change permissions by binding a window.
- */
- umem->writable = !!(access &
- (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE |
- IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND));
+ umem->writable = ib_access_writable(access);

if (access & IB_ACCESS_ON_DEMAND) {
ret = ib_umem_odp_get(context, umem, access);
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 4445d8ee9314..2d34a9c827b7 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -734,10 +734,6 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
if (ret)
return ret;

- if (!file->ucontext &&
- (command != IB_USER_VERBS_CMD_GET_CONTEXT || extended))
- return -EINVAL;
-
if (extended) {
if (count < (sizeof(hdr) + sizeof(ex_hdr)))
return -EINVAL;
@@ -757,6 +753,16 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
goto out;
}

+ /*
+ * Must be after the ib_dev check, as once the RCU clears ib_dev ==
+ * NULL means ucontext == NULL
+ */
+ if (!file->ucontext &&
+ (command != IB_USER_VERBS_CMD_GET_CONTEXT || extended)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
if (!verify_command_mask(ib_dev, command, extended)) {
ret = -EOPNOTSUPP;
goto out;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 6ddfb1fade79..def3bc1e6447 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1562,11 +1562,12 @@ EXPORT_SYMBOL(ib_destroy_qp);

/* Completion queues */

-struct ib_cq *ib_create_cq(struct ib_device *device,
- ib_comp_handler comp_handler,
- void (*event_handler)(struct ib_event *, void *),
- void *cq_context,
- const struct ib_cq_init_attr *cq_attr)
+struct ib_cq *__ib_create_cq(struct ib_device *device,
+ ib_comp_handler comp_handler,
+ void (*event_handler)(struct ib_event *, void *),
+ void *cq_context,
+ const struct ib_cq_init_attr *cq_attr,
+ const char *caller)
{
struct ib_cq *cq;

@@ -1580,12 +1581,13 @@ struct ib_cq *ib_create_cq(struct ib_device *device,
cq->cq_context = cq_context;
atomic_set(&cq->usecnt, 0);
cq->res.type = RDMA_RESTRACK_CQ;
+ cq->res.kern_name = caller;
rdma_restrack_add(&cq->res);
}

return cq;
}
-EXPORT_SYMBOL(ib_create_cq);
+EXPORT_SYMBOL(__ib_create_cq);

int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period)
{
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index e6bdd0c1e80a..ebccc4c84827 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -6829,7 +6829,7 @@ static void rxe_kernel_unfreeze(struct hfi1_devdata *dd)
}
rcvmask = HFI1_RCVCTRL_CTXT_ENB;
/* HFI1_RCVCTRL_TAILUPD_[ENB|DIS] needs to be set explicitly */
- rcvmask |= HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL) ?
+ rcvmask |= rcd->rcvhdrtail_kvaddr ?
HFI1_RCVCTRL_TAILUPD_ENB : HFI1_RCVCTRL_TAILUPD_DIS;
hfi1_rcvctrl(dd, rcvmask, rcd);
hfi1_rcd_put(rcd);
@@ -8355,7 +8355,7 @@ static inline int check_packet_present(struct hfi1_ctxtdata *rcd)
u32 tail;
int present;

- if (!HFI1_CAP_IS_KSET(DMA_RTAIL))
+ if (!rcd->rcvhdrtail_kvaddr)
present = (rcd->seq_cnt ==
rhf_rcv_seq(rhf_to_cpu(get_rhf_addr(rcd))));
else /* is RDMA rtail */
@@ -11823,7 +11823,7 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op,
/* reset the tail and hdr addresses, and sequence count */
write_kctxt_csr(dd, ctxt, RCV_HDR_ADDR,
rcd->rcvhdrq_dma);
- if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL))
+ if (rcd->rcvhdrtail_kvaddr)
write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
rcd->rcvhdrqtailaddr_dma);
rcd->seq_cnt = 1;
@@ -11903,7 +11903,7 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op,
rcvctrl |= RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
if (op & HFI1_RCVCTRL_INTRAVAIL_DIS)
rcvctrl &= ~RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
- if (op & HFI1_RCVCTRL_TAILUPD_ENB && rcd->rcvhdrqtailaddr_dma)
+ if ((op & HFI1_RCVCTRL_TAILUPD_ENB) && rcd->rcvhdrtail_kvaddr)
rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK;
if (op & HFI1_RCVCTRL_TAILUPD_DIS) {
/* See comment on RcvCtxtCtrl.TailUpd above */
diff --git a/drivers/infiniband/hw/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c
index 852173bf05d0..5343960610fe 100644
--- a/drivers/infiniband/hw/hfi1/debugfs.c
+++ b/drivers/infiniband/hw/hfi1/debugfs.c
@@ -1227,7 +1227,8 @@ DEBUGFS_FILE_OPS(fault_stats);

static void fault_exit_opcode_debugfs(struct hfi1_ibdev *ibd)
{
- debugfs_remove_recursive(ibd->fault_opcode->dir);
+ if (ibd->fault_opcode)
+ debugfs_remove_recursive(ibd->fault_opcode->dir);
kfree(ibd->fault_opcode);
ibd->fault_opcode = NULL;
}
@@ -1255,6 +1256,7 @@ static int fault_init_opcode_debugfs(struct hfi1_ibdev *ibd)
&ibd->fault_opcode->attr);
if (IS_ERR(ibd->fault_opcode->dir)) {
kfree(ibd->fault_opcode);
+ ibd->fault_opcode = NULL;
return -ENOENT;
}

@@ -1278,7 +1280,8 @@ static int fault_init_opcode_debugfs(struct hfi1_ibdev *ibd)

static void fault_exit_packet_debugfs(struct hfi1_ibdev *ibd)
{
- debugfs_remove_recursive(ibd->fault_packet->dir);
+ if (ibd->fault_packet)
+ debugfs_remove_recursive(ibd->fault_packet->dir);
kfree(ibd->fault_packet);
ibd->fault_packet = NULL;
}
@@ -1304,6 +1307,7 @@ static int fault_init_packet_debugfs(struct hfi1_ibdev *ibd)
&ibd->fault_opcode->attr);
if (IS_ERR(ibd->fault_packet->dir)) {
kfree(ibd->fault_packet);
+ ibd->fault_packet = NULL;
return -ENOENT;
}

diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index da4aa1a95b11..cf25913bd81c 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -505,7 +505,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
ret = -EINVAL;
goto done;
}
- if (flags & VM_WRITE) {
+ if ((flags & VM_WRITE) || !uctxt->rcvhdrtail_kvaddr) {
ret = -EPERM;
goto done;
}
@@ -689,8 +689,8 @@ static int hfi1_file_close(struct inode *inode, struct file *fp)
* checks to default and disable the send context.
*/
if (uctxt->sc) {
- set_pio_integrity(uctxt->sc);
sc_disable(uctxt->sc);
+ set_pio_integrity(uctxt->sc);
}

hfi1_free_ctxt_rcv_groups(uctxt);
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index cac2c62bc42d..9c97c180c35e 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1856,6 +1856,7 @@ struct cc_state *get_cc_state_protected(struct hfi1_pportdata *ppd)
#define HFI1_HAS_SDMA_TIMEOUT 0x8
#define HFI1_HAS_SEND_DMA 0x10 /* Supports Send DMA */
#define HFI1_FORCED_FREEZE 0x80 /* driver forced freeze mode */
+#define HFI1_SHUTDOWN 0x100 /* device is shutting down */

/* IB dword length mask in PBC (lower 11 bits); same for all chips */
#define HFI1_PBC_LENGTH_MASK ((1 << 11) - 1)
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index 6309edf811df..92e802a64fc4 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -1058,6 +1058,10 @@ static void shutdown_device(struct hfi1_devdata *dd)
unsigned pidx;
int i;

+ if (dd->flags & HFI1_SHUTDOWN)
+ return;
+ dd->flags |= HFI1_SHUTDOWN;
+
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
ppd = dd->pport + pidx;

@@ -1391,6 +1395,7 @@ void hfi1_disable_after_error(struct hfi1_devdata *dd)

static void remove_one(struct pci_dev *);
static int init_one(struct pci_dev *, const struct pci_device_id *);
+static void shutdown_one(struct pci_dev *);

#define DRIVER_LOAD_MSG "Intel " DRIVER_NAME " loaded: "
#define PFX DRIVER_NAME ": "
@@ -1407,6 +1412,7 @@ static struct pci_driver hfi1_pci_driver = {
.name = DRIVER_NAME,
.probe = init_one,
.remove = remove_one,
+ .shutdown = shutdown_one,
.id_table = hfi1_pci_tbl,
.err_handler = &hfi1_pci_err_handler,
};
@@ -1816,6 +1822,13 @@ static void remove_one(struct pci_dev *pdev)
postinit_cleanup(dd);
}

+static void shutdown_one(struct pci_dev *pdev)
+{
+ struct hfi1_devdata *dd = pci_get_drvdata(pdev);
+
+ shutdown_device(dd);
+}
+
/**
* hfi1_create_rcvhdrq - create a receive header queue
* @dd: the hfi1_ib device
@@ -1831,7 +1844,6 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
u64 reg;

if (!rcd->rcvhdrq) {
- dma_addr_t dma_hdrqtail;
gfp_t gfp_flags;

/*
@@ -1856,13 +1868,13 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
goto bail;
}

- if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL)) {
+ if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL) ||
+ HFI1_CAP_UGET_MASK(rcd->flags, DMA_RTAIL)) {
rcd->rcvhdrtail_kvaddr = dma_zalloc_coherent(
- &dd->pcidev->dev, PAGE_SIZE, &dma_hdrqtail,
- gfp_flags);
+ &dd->pcidev->dev, PAGE_SIZE,
+ &rcd->rcvhdrqtailaddr_dma, gfp_flags);
if (!rcd->rcvhdrtail_kvaddr)
goto bail_free;
- rcd->rcvhdrqtailaddr_dma = dma_hdrqtail;
}

rcd->rcvhdrq_size = amt;
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c
index 40dac4d16eb8..9cac15d10c4f 100644
--- a/drivers/infiniband/hw/hfi1/pio.c
+++ b/drivers/infiniband/hw/hfi1/pio.c
@@ -50,8 +50,6 @@
#include "qp.h"
#include "trace.h"

-#define SC_CTXT_PACKET_EGRESS_TIMEOUT 350 /* in chip cycles */
-
#define SC(name) SEND_CTXT_##name
/*
* Send Context functions
@@ -961,15 +959,40 @@ void sc_disable(struct send_context *sc)
}

/* return SendEgressCtxtStatus.PacketOccupancy */
-#define packet_occupancy(r) \
- (((r) & SEND_EGRESS_CTXT_STATUS_CTXT_EGRESS_PACKET_OCCUPANCY_SMASK)\
- >> SEND_EGRESS_CTXT_STATUS_CTXT_EGRESS_PACKET_OCCUPANCY_SHIFT)
+static u64 packet_occupancy(u64 reg)
+{
+ return (reg &
+ SEND_EGRESS_CTXT_STATUS_CTXT_EGRESS_PACKET_OCCUPANCY_SMASK)
+ >> SEND_EGRESS_CTXT_STATUS_CTXT_EGRESS_PACKET_OCCUPANCY_SHIFT;
+}

/* is egress halted on the context? */
-#define egress_halted(r) \
- ((r) & SEND_EGRESS_CTXT_STATUS_CTXT_EGRESS_HALT_STATUS_SMASK)
+static bool egress_halted(u64 reg)
+{
+ return !!(reg & SEND_EGRESS_CTXT_STATUS_CTXT_EGRESS_HALT_STATUS_SMASK);
+}

-/* wait for packet egress, optionally pause for credit return */
+/* is the send context halted? */
+static bool is_sc_halted(struct hfi1_devdata *dd, u32 hw_context)
+{
+ return !!(read_kctxt_csr(dd, hw_context, SC(STATUS)) &
+ SC(STATUS_CTXT_HALTED_SMASK));
+}
+
+/**
+ * sc_wait_for_packet_egress
+ * @sc: valid send context
+ * @pause: wait for credit return
+ *
+ * Wait for packet egress, optionally pause for credit return
+ *
+ * Egress halt and Context halt are not necessarily the same thing, so
+ * check for both.
+ *
+ * NOTE: The context halt bit may not be set immediately. Because of this,
+ * it is necessary to check the SW SFC_HALTED bit (set in the IRQ) and the HW
+ * context bit to determine if the context is halted.
+ */
static void sc_wait_for_packet_egress(struct send_context *sc, int pause)
{
struct hfi1_devdata *dd = sc->dd;
@@ -981,8 +1004,9 @@ static void sc_wait_for_packet_egress(struct send_context *sc, int pause)
reg_prev = reg;
reg = read_csr(dd, sc->hw_context * 8 +
SEND_EGRESS_CTXT_STATUS);
- /* done if egress is stopped */
- if (egress_halted(reg))
+ /* done if any halt bits, SW or HW are set */
+ if (sc->flags & SCF_HALTED ||
+ is_sc_halted(dd, sc->hw_context) || egress_halted(reg))
break;
reg = packet_occupancy(reg);
if (reg == 0)
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 0793a21d76f4..d604b3d5aa3e 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -1934,7 +1934,6 @@ static void mlx4_ib_sqp_comp_worker(struct work_struct *work)
"buf:%lld\n", wc.wr_id);
break;
default:
- BUG_ON(1);
break;
}
} else {
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 61d8b06375bb..ed1f253faf97 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -367,6 +367,40 @@ int mlx4_ib_umem_calc_optimal_mtt_size(struct ib_umem *umem, u64 start_va,
return block_shift;
}

+static struct ib_umem *mlx4_get_umem_mr(struct ib_ucontext *context, u64 start,
+ u64 length, u64 virt_addr,
+ int access_flags)
+{
+ /*
+ * Force registering the memory as writable if the underlying pages
+ * are writable. This is so rereg can change the access permissions
+ * from readable to writable without having to run through ib_umem_get
+ * again
+ */
+ if (!ib_access_writable(access_flags)) {
+ struct vm_area_struct *vma;
+
+ down_read(&current->mm->mmap_sem);
+ /*
+ * FIXME: Ideally this would iterate over all the vmas that
+ * cover the memory, but for now it requires a single vma to
+ * entirely cover the MR to support RO mappings.
+ */
+ vma = find_vma(current->mm, start);
+ if (vma && vma->vm_end >= start + length &&
+ vma->vm_start <= start) {
+ if (vma->vm_flags & VM_WRITE)
+ access_flags |= IB_ACCESS_LOCAL_WRITE;
+ } else {
+ access_flags |= IB_ACCESS_LOCAL_WRITE;
+ }
+
+ up_read(&current->mm->mmap_sem);
+ }
+
+ return ib_umem_get(context, start, length, access_flags, 0);
+}
+
struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata)
@@ -381,10 +415,8 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
if (!mr)
return ERR_PTR(-ENOMEM);

- /* Force registering the memory as writable. */
- /* Used for memory re-registeration. HCA protects the access */
- mr->umem = ib_umem_get(pd->uobject->context, start, length,
- access_flags | IB_ACCESS_LOCAL_WRITE, 0);
+ mr->umem = mlx4_get_umem_mr(pd->uobject->context, start, length,
+ virt_addr, access_flags);
if (IS_ERR(mr->umem)) {
err = PTR_ERR(mr->umem);
goto err_free;
@@ -454,6 +486,9 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
}

if (flags & IB_MR_REREG_ACCESS) {
+ if (ib_access_writable(mr_access_flags) && !mmr->umem->writable)
+ return -EPERM;
+
err = mlx4_mr_hw_change_access(dev->dev, *pmpt_entry,
convert_access(mr_access_flags));

@@ -467,10 +502,9 @@ int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,

mlx4_mr_rereg_mem_cleanup(dev->dev, &mmr->mmr);
ib_umem_release(mmr->umem);
- mmr->umem = ib_umem_get(mr->uobject->context, start, length,
- mr_access_flags |
- IB_ACCESS_LOCAL_WRITE,
- 0);
+ mmr->umem =
+ mlx4_get_umem_mr(mr->uobject->context, start, length,
+ virt_addr, mr_access_flags);
if (IS_ERR(mmr->umem)) {
err = PTR_ERR(mmr->umem);
/* Prevent mlx4_ib_dereg_mr from free'ing invalid pointer */
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index 77d257ec899b..9f6bc34cd4db 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -637,7 +637,7 @@ static int mlx5_poll_one(struct mlx5_ib_cq *cq,
}

static int poll_soft_wc(struct mlx5_ib_cq *cq, int num_entries,
- struct ib_wc *wc)
+ struct ib_wc *wc, bool is_fatal_err)
{
struct mlx5_ib_dev *dev = to_mdev(cq->ibcq.device);
struct mlx5_ib_wc *soft_wc, *next;
@@ -650,6 +650,10 @@ static int poll_soft_wc(struct mlx5_ib_cq *cq, int num_entries,
mlx5_ib_dbg(dev, "polled software generated completion on CQ 0x%x\n",
cq->mcq.cqn);

+ if (unlikely(is_fatal_err)) {
+ soft_wc->wc.status = IB_WC_WR_FLUSH_ERR;
+ soft_wc->wc.vendor_err = MLX5_CQE_SYNDROME_WR_FLUSH_ERR;
+ }
wc[npolled++] = soft_wc->wc;
list_del(&soft_wc->list);
kfree(soft_wc);
@@ -670,12 +674,17 @@ int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)

spin_lock_irqsave(&cq->lock, flags);
if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
- mlx5_ib_poll_sw_comp(cq, num_entries, wc, &npolled);
+ /* make sure no soft wqe's are waiting */
+ if (unlikely(!list_empty(&cq->wc_list)))
+ soft_polled = poll_soft_wc(cq, num_entries, wc, true);
+
+ mlx5_ib_poll_sw_comp(cq, num_entries - soft_polled,
+ wc + soft_polled, &npolled);
goto out;
}

if (unlikely(!list_empty(&cq->wc_list)))
- soft_polled = poll_soft_wc(cq, num_entries, wc);
+ soft_polled = poll_soft_wc(cq, num_entries, wc, false);

for (npolled = 0; npolled < num_entries - soft_polled; npolled++) {
if (mlx5_poll_one(cq, &cur_qp, wc + soft_polled + npolled))
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 46072455130c..3461df002f81 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1228,6 +1228,7 @@ static inline struct qib_ibport *to_iport(struct ib_device *ibdev, u8 port)
#define QIB_BADINTR 0x8000 /* severe interrupt problems */
#define QIB_DCA_ENABLED 0x10000 /* Direct Cache Access enabled */
#define QIB_HAS_QSFP 0x20000 /* device (card instance) has QSFP */
+#define QIB_SHUTDOWN 0x40000 /* device is shutting down */

/*
* values for ppd->lflags (_ib_port_ related flags)
@@ -1423,8 +1424,7 @@ u64 qib_sps_ints(void);
/*
* dma_addr wrappers - all 0's invalid for hw
*/
-dma_addr_t qib_map_page(struct pci_dev *, struct page *, unsigned long,
- size_t, int);
+int qib_map_page(struct pci_dev *d, struct page *p, dma_addr_t *daddr);
struct pci_dev *qib_get_pci_dev(struct rvt_dev_info *rdi);

/*
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 6a8800b65047..49c8e926cc64 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -364,6 +364,8 @@ static int qib_tid_update(struct qib_ctxtdata *rcd, struct file *fp,
goto done;
}
for (i = 0; i < cnt; i++, vaddr += PAGE_SIZE) {
+ dma_addr_t daddr;
+
for (; ntids--; tid++) {
if (tid == tidcnt)
tid = 0;
@@ -380,12 +382,14 @@ static int qib_tid_update(struct qib_ctxtdata *rcd, struct file *fp,
ret = -ENOMEM;
break;
}
+ ret = qib_map_page(dd->pcidev, pagep[i], &daddr);
+ if (ret)
+ break;
+
tidlist[i] = tid + tidoff;
/* we "know" system pages and TID pages are same size */
dd->pageshadow[ctxttid + tid] = pagep[i];
- dd->physshadow[ctxttid + tid] =
- qib_map_page(dd->pcidev, pagep[i], 0, PAGE_SIZE,
- PCI_DMA_FROMDEVICE);
+ dd->physshadow[ctxttid + tid] = daddr;
/*
* don't need atomic or it's overhead
*/
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 6c68f8a97018..015520289735 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -841,6 +841,10 @@ static void qib_shutdown_device(struct qib_devdata *dd)
struct qib_pportdata *ppd;
unsigned pidx;

+ if (dd->flags & QIB_SHUTDOWN)
+ return;
+ dd->flags |= QIB_SHUTDOWN;
+
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
ppd = dd->pport + pidx;

@@ -1182,6 +1186,7 @@ void qib_disable_after_error(struct qib_devdata *dd)

static void qib_remove_one(struct pci_dev *);
static int qib_init_one(struct pci_dev *, const struct pci_device_id *);
+static void qib_shutdown_one(struct pci_dev *);

#define DRIVER_LOAD_MSG "Intel " QIB_DRV_NAME " loaded: "
#define PFX QIB_DRV_NAME ": "
@@ -1199,6 +1204,7 @@ static struct pci_driver qib_driver = {
.name = QIB_DRV_NAME,
.probe = qib_init_one,
.remove = qib_remove_one,
+ .shutdown = qib_shutdown_one,
.id_table = qib_pci_tbl,
.err_handler = &qib_pci_err_handler,
};
@@ -1549,6 +1555,13 @@ static void qib_remove_one(struct pci_dev *pdev)
qib_postinit_cleanup(dd);
}

+static void qib_shutdown_one(struct pci_dev *pdev)
+{
+ struct qib_devdata *dd = pci_get_drvdata(pdev);
+
+ qib_shutdown_device(dd);
+}
+
/**
* qib_create_rcvhdrq - create a receive header queue
* @dd: the qlogic_ib device
diff --git a/drivers/infiniband/hw/qib/qib_user_pages.c b/drivers/infiniband/hw/qib/qib_user_pages.c
index ce83ba9a12ef..16543d5e80c3 100644
--- a/drivers/infiniband/hw/qib/qib_user_pages.c
+++ b/drivers/infiniband/hw/qib/qib_user_pages.c
@@ -99,23 +99,27 @@ static int __qib_get_user_pages(unsigned long start_page, size_t num_pages,
*
* I'm sure we won't be so lucky with other iommu's, so FIXME.
*/
-dma_addr_t qib_map_page(struct pci_dev *hwdev, struct page *page,
- unsigned long offset, size_t size, int direction)
+int qib_map_page(struct pci_dev *hwdev, struct page *page, dma_addr_t *daddr)
{
dma_addr_t phys;

- phys = pci_map_page(hwdev, page, offset, size, direction);
+ phys = pci_map_page(hwdev, page, 0, PAGE_SIZE, PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(hwdev, phys))
+ return -ENOMEM;

- if (phys == 0) {
- pci_unmap_page(hwdev, phys, size, direction);
- phys = pci_map_page(hwdev, page, offset, size, direction);
+ if (!phys) {
+ pci_unmap_page(hwdev, phys, PAGE_SIZE, PCI_DMA_FROMDEVICE);
+ phys = pci_map_page(hwdev, page, 0, PAGE_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(hwdev, phys))
+ return -ENOMEM;
/*
* FIXME: If we get 0 again, we should keep this page,
* map another, then free the 0 page.
*/
}
-
- return phys;
+ *daddr = phys;
+ return 0;
}

/**
diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c
index fb52b669bfce..340c17aba3b0 100644
--- a/drivers/infiniband/sw/rdmavt/cq.c
+++ b/drivers/infiniband/sw/rdmavt/cq.c
@@ -120,17 +120,20 @@ void rvt_cq_enter(struct rvt_cq *cq, struct ib_wc *entry, bool solicited)
if (cq->notify == IB_CQ_NEXT_COMP ||
(cq->notify == IB_CQ_SOLICITED &&
(solicited || entry->status != IB_WC_SUCCESS))) {
+ struct kthread_worker *worker;
+
/*
* This will cause send_complete() to be called in
* another thread.
*/
- spin_lock(&cq->rdi->n_cqs_lock);
- if (likely(cq->rdi->worker)) {
+ rcu_read_lock();
+ worker = rcu_dereference(cq->rdi->worker);
+ if (likely(worker)) {
cq->notify = RVT_CQ_NONE;
cq->triggered++;
- kthread_queue_work(cq->rdi->worker, &cq->comptask);
+ kthread_queue_work(worker, &cq->comptask);
}
- spin_unlock(&cq->rdi->n_cqs_lock);
+ rcu_read_unlock();
}

spin_unlock_irqrestore(&cq->lock, flags);
@@ -512,7 +515,7 @@ int rvt_driver_cq_init(struct rvt_dev_info *rdi)
int cpu;
struct kthread_worker *worker;

- if (rdi->worker)
+ if (rcu_access_pointer(rdi->worker))
return 0;

spin_lock_init(&rdi->n_cqs_lock);
@@ -524,7 +527,7 @@ int rvt_driver_cq_init(struct rvt_dev_info *rdi)
return PTR_ERR(worker);

set_user_nice(worker->task, MIN_NICE);
- rdi->worker = worker;
+ RCU_INIT_POINTER(rdi->worker, worker);
return 0;
}

@@ -536,15 +539,19 @@ void rvt_cq_exit(struct rvt_dev_info *rdi)
{
struct kthread_worker *worker;

- /* block future queuing from send_complete() */
- spin_lock_irq(&rdi->n_cqs_lock);
- worker = rdi->worker;
+ if (!rcu_access_pointer(rdi->worker))
+ return;
+
+ spin_lock(&rdi->n_cqs_lock);
+ worker = rcu_dereference_protected(rdi->worker,
+ lockdep_is_held(&rdi->n_cqs_lock));
if (!worker) {
- spin_unlock_irq(&rdi->n_cqs_lock);
+ spin_unlock(&rdi->n_cqs_lock);
return;
}
- rdi->worker = NULL;
- spin_unlock_irq(&rdi->n_cqs_lock);
+ RCU_INIT_POINTER(rdi->worker, NULL);
+ spin_unlock(&rdi->n_cqs_lock);
+ synchronize_rcu();

kthread_destroy_worker(worker);
}
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index fff40b097947..3130698fee70 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -886,15 +886,9 @@ isert_login_post_send(struct isert_conn *isert_conn, struct iser_tx_desc *tx_des
}

static void
-isert_create_send_desc(struct isert_conn *isert_conn,
- struct isert_cmd *isert_cmd,
- struct iser_tx_desc *tx_desc)
+__isert_create_send_desc(struct isert_device *device,
+ struct iser_tx_desc *tx_desc)
{
- struct isert_device *device = isert_conn->device;
- struct ib_device *ib_dev = device->ib_device;
-
- ib_dma_sync_single_for_cpu(ib_dev, tx_desc->dma_addr,
- ISER_HEADERS_LEN, DMA_TO_DEVICE);

memset(&tx_desc->iser_header, 0, sizeof(struct iser_ctrl));
tx_desc->iser_header.flags = ISCSI_CTRL;
@@ -907,6 +901,20 @@ isert_create_send_desc(struct isert_conn *isert_conn,
}
}

+static void
+isert_create_send_desc(struct isert_conn *isert_conn,
+ struct isert_cmd *isert_cmd,
+ struct iser_tx_desc *tx_desc)
+{
+ struct isert_device *device = isert_conn->device;
+ struct ib_device *ib_dev = device->ib_device;
+
+ ib_dma_sync_single_for_cpu(ib_dev, tx_desc->dma_addr,
+ ISER_HEADERS_LEN, DMA_TO_DEVICE);
+
+ __isert_create_send_desc(device, tx_desc);
+}
+
static int
isert_init_tx_hdrs(struct isert_conn *isert_conn,
struct iser_tx_desc *tx_desc)
@@ -994,7 +1002,7 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login,
struct iser_tx_desc *tx_desc = &isert_conn->login_tx_desc;
int ret;

- isert_create_send_desc(isert_conn, NULL, tx_desc);
+ __isert_create_send_desc(device, tx_desc);

memcpy(&tx_desc->iscsi_header, &login->rsp[0],
sizeof(struct iscsi_hdr));
@@ -2108,7 +2116,7 @@ isert_set_sig_attrs(struct se_cmd *se_cmd, struct ib_sig_attrs *sig_attrs)

sig_attrs->check_mask =
(se_cmd->prot_checks & TARGET_DIF_CHECK_GUARD ? 0xc0 : 0) |
- (se_cmd->prot_checks & TARGET_DIF_CHECK_REFTAG ? 0x30 : 0) |
+ (se_cmd->prot_checks & TARGET_DIF_CHECK_APPTAG ? 0x30 : 0) |
(se_cmd->prot_checks & TARGET_DIF_CHECK_REFTAG ? 0x0f : 0);
return 0;
}
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index a89b81b35932..62f9c23d8a7f 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -123,7 +123,7 @@ static const struct xpad_device {
u8 mapping;
u8 xtype;
} xpad_device[] = {
- { 0x0079, 0x18d4, "GPD Win 2 Controller", 0, XTYPE_XBOX360 },
+ { 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
{ 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
{ 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 599544c1a91c..243e0fa6e3e3 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -27,6 +27,8 @@
#define ETP_DISABLE_POWER 0x0001
#define ETP_PRESSURE_OFFSET 25

+#define ETP_CALIBRATE_MAX_LEN 3
+
/* IAP Firmware handling */
#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0"
#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 93967c8139e7..37f954b704a6 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -610,7 +610,7 @@ static ssize_t calibrate_store(struct device *dev,
int tries = 20;
int retval;
int error;
- u8 val[3];
+ u8 val[ETP_CALIBRATE_MAX_LEN];

retval = mutex_lock_interruptible(&data->sysfs_mutex);
if (retval)
@@ -1263,6 +1263,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN060C", 0 },
{ "ELAN0611", 0 },
{ "ELAN0612", 0 },
+ { "ELAN0618", 0 },
{ "ELAN1000", 0 },
{ }
};
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index cfcb32559925..c060d270bc4d 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -56,7 +56,7 @@
static int elan_smbus_initialize(struct i2c_client *client)
{
u8 check[ETP_SMBUS_HELLOPACKET_LEN] = { 0x55, 0x55, 0x55, 0x55, 0x55 };
- u8 values[ETP_SMBUS_HELLOPACKET_LEN] = { 0, 0, 0, 0, 0 };
+ u8 values[I2C_SMBUS_BLOCK_MAX] = {0};
int len, error;

/* Get hello packet */
@@ -117,12 +117,16 @@ static int elan_smbus_calibrate(struct i2c_client *client)
static int elan_smbus_calibrate_result(struct i2c_client *client, u8 *val)
{
int error;
+ u8 buf[I2C_SMBUS_BLOCK_MAX] = {0};
+
+ BUILD_BUG_ON(ETP_CALIBRATE_MAX_LEN > sizeof(buf));

error = i2c_smbus_read_block_data(client,
- ETP_SMBUS_CALIBRATE_QUERY, val);
+ ETP_SMBUS_CALIBRATE_QUERY, buf);
if (error < 0)
return error;

+ memcpy(val, buf, ETP_CALIBRATE_MAX_LEN);
return 0;
}

@@ -472,6 +476,8 @@ static int elan_smbus_get_report(struct i2c_client *client, u8 *report)
{
int len;

+ BUILD_BUG_ON(I2C_SMBUS_BLOCK_MAX > ETP_SMBUS_REPORT_LEN);
+
len = i2c_smbus_read_block_data(client,
ETP_SMBUS_PACKET_QUERY,
&report[ETP_SMBUS_REPORT_OFFSET]);
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index db47a5e1d114..b68019109e99 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -796,7 +796,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
else if (ic_version == 7 && etd->samples[1] == 0x2A)
sanity_check = ((packet[3] & 0x1c) == 0x10);
else
- sanity_check = ((packet[0] & 0x0c) == 0x04 &&
+ sanity_check = ((packet[0] & 0x08) == 0x00 &&
(packet[3] & 0x1c) == 0x10);

if (!sanity_check)
@@ -1169,6 +1169,12 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = {
{ }
};

+static const char * const middle_button_pnp_ids[] = {
+ "LEN2131", /* ThinkPad P52 w/ NFC */
+ "LEN2132", /* ThinkPad P52 */
+ NULL
+};
+
/*
* Set the appropriate event bits for the input subsystem
*/
@@ -1188,7 +1194,8 @@ static int elantech_set_input_params(struct psmouse *psmouse)
__clear_bit(EV_REL, dev->evbit);

__set_bit(BTN_LEFT, dev->keybit);
- if (dmi_check_system(elantech_dmi_has_middle_button))
+ if (dmi_check_system(elantech_dmi_has_middle_button) ||
+ psmouse_matches_pnp_id(psmouse, middle_button_pnp_ids))
__set_bit(BTN_MIDDLE, dev->keybit);
__set_bit(BTN_RIGHT, dev->keybit);

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 8900c3166ebf..47ed5616d026 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -192,8 +192,8 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
else
input_report_rel(dev, REL_WHEEL, -wheel);

- input_report_key(dev, BTN_SIDE, BIT(4));
- input_report_key(dev, BTN_EXTRA, BIT(5));
+ input_report_key(dev, BTN_SIDE, packet[3] & BIT(4));
+ input_report_key(dev, BTN_EXTRA, packet[3] & BIT(5));
break;
}
break;
@@ -203,13 +203,13 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
input_report_rel(dev, REL_WHEEL, -(s8) packet[3]);

/* Extra buttons on Genius NewNet 3D */
- input_report_key(dev, BTN_SIDE, BIT(6));
- input_report_key(dev, BTN_EXTRA, BIT(7));
+ input_report_key(dev, BTN_SIDE, packet[0] & BIT(6));
+ input_report_key(dev, BTN_EXTRA, packet[0] & BIT(7));
break;

case PSMOUSE_THINKPS:
/* Extra button on ThinkingMouse */
- input_report_key(dev, BTN_EXTRA, BIT(3));
+ input_report_key(dev, BTN_EXTRA, packet[0] & BIT(3));

/*
* Without this bit of weirdness moving up gives wildly
@@ -223,7 +223,7 @@ psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
* Cortron PS2 Trackball reports SIDE button in the
* 4th bit of the first byte.
*/
- input_report_key(dev, BTN_SIDE, BIT(3));
+ input_report_key(dev, BTN_SIDE, packet[0] & BIT(3));
packet[0] |= BIT(3);
break;

diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index ff7043f74a3d..d196ac3d8b8c 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -603,6 +603,7 @@ static const struct acpi_device_id silead_ts_acpi_match[] = {
{ "GSL3692", 0 },
{ "MSSL1680", 0 },
{ "MSSL0001", 0 },
+ { "MSSL0002", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, silead_ts_acpi_match);
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index df171cb85822..b38798cc5288 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -107,7 +107,6 @@ config IOMMU_PGTABLES_L2
# AMD IOMMU support
config AMD_IOMMU
bool "AMD IOMMU support"
- select DMA_DIRECT_OPS
select SWIOTLB
select PCI_MSI
select PCI_ATS
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b0b30a568db7..12c1491a1a9a 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2593,32 +2593,51 @@ static void *alloc_coherent(struct device *dev, size_t size,
unsigned long attrs)
{
u64 dma_mask = dev->coherent_dma_mask;
- struct protection_domain *domain = get_domain(dev);
- bool is_direct = false;
- void *virt_addr;
+ struct protection_domain *domain;
+ struct dma_ops_domain *dma_dom;
+ struct page *page;
+
+ domain = get_domain(dev);
+ if (PTR_ERR(domain) == -EINVAL) {
+ page = alloc_pages(flag, get_order(size));
+ *dma_addr = page_to_phys(page);
+ return page_address(page);
+ } else if (IS_ERR(domain))
+ return NULL;

- if (IS_ERR(domain)) {
- if (PTR_ERR(domain) != -EINVAL)
+ dma_dom = to_dma_ops_domain(domain);
+ size = PAGE_ALIGN(size);
+ dma_mask = dev->coherent_dma_mask;
+ flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
+ flag |= __GFP_ZERO;
+
+ page = alloc_pages(flag | __GFP_NOWARN, get_order(size));
+ if (!page) {
+ if (!gfpflags_allow_blocking(flag))
return NULL;
- is_direct = true;
- }

- virt_addr = dma_direct_alloc(dev, size, dma_addr, flag, attrs);
- if (!virt_addr || is_direct)
- return virt_addr;
+ page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
+ get_order(size), flag);
+ if (!page)
+ return NULL;
+ }

if (!dma_mask)
dma_mask = *dev->dma_mask;

- *dma_addr = __map_single(dev, to_dma_ops_domain(domain),
- virt_to_phys(virt_addr), PAGE_ALIGN(size),
- DMA_BIDIRECTIONAL, dma_mask);
+ *dma_addr = __map_single(dev, dma_dom, page_to_phys(page),
+ size, DMA_BIDIRECTIONAL, dma_mask);
+
if (*dma_addr == AMD_IOMMU_MAPPING_ERROR)
goto out_free;
- return virt_addr;
+
+ return page_address(page);

out_free:
- dma_direct_free(dev, size, virt_addr, *dma_addr, attrs);
+
+ if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
+ __free_pages(page, get_order(size));
+
return NULL;
}

@@ -2629,17 +2648,24 @@ static void free_coherent(struct device *dev, size_t size,
void *virt_addr, dma_addr_t dma_addr,
unsigned long attrs)
{
- struct protection_domain *domain = get_domain(dev);
+ struct protection_domain *domain;
+ struct dma_ops_domain *dma_dom;
+ struct page *page;

+ page = virt_to_page(virt_addr);
size = PAGE_ALIGN(size);

- if (!IS_ERR(domain)) {
- struct dma_ops_domain *dma_dom = to_dma_ops_domain(domain);
+ domain = get_domain(dev);
+ if (IS_ERR(domain))
+ goto free_mem;

- __unmap_single(dma_dom, dma_addr, size, DMA_BIDIRECTIONAL);
- }
+ dma_dom = to_dma_ops_domain(domain);
+
+ __unmap_single(dma_dom, dma_addr, size, DMA_BIDIRECTIONAL);

- dma_direct_free(dev, size, virt_addr, dma_addr, attrs);
+free_mem:
+ if (!dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT))
+ __free_pages(page, get_order(size));
}

/*
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 5416f2b2ac21..ab16968fced8 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2309,7 +2309,14 @@ static int its_irq_domain_activate(struct irq_domain *domain,
cpu_mask = cpumask_of_node(its_dev->its->numa_node);

/* Bind the LPI to the first possible CPU */
- cpu = cpumask_first(cpu_mask);
+ cpu = cpumask_first_and(cpu_mask, cpu_online_mask);
+ if (cpu >= nr_cpu_ids) {
+ if (its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144)
+ return -EINVAL;
+
+ cpu = cpumask_first(cpu_online_mask);
+ }
+
its_dev->event_map.col_map[event] = cpu;
irq_data_update_effective_affinity(d, cpumask_of(cpu));

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index b11107497d2e..19478c7b2268 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -1385,6 +1385,8 @@ static void schedule_external_copy(struct thin_c *tc, dm_block_t virt_block,

static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);

+static void requeue_bios(struct pool *pool);
+
static void check_for_space(struct pool *pool)
{
int r;
@@ -1397,8 +1399,10 @@ static void check_for_space(struct pool *pool)
if (r)
return;

- if (nr_free)
+ if (nr_free) {
set_pool_mode(pool, PM_WRITE);
+ requeue_bios(pool);
+ }
}

/*
@@ -1475,7 +1479,10 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)

r = dm_pool_alloc_data_block(pool->pmd, result);
if (r) {
- metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
+ if (r == -ENOSPC)
+ set_pool_mode(pool, PM_OUT_OF_DATA_SPACE);
+ else
+ metadata_operation_failed(pool, "dm_pool_alloc_data_block", r);
return r;
}

diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index e73b0776683c..e302f1558fa0 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -788,7 +788,7 @@ static int dmz_ctr(struct dm_target *ti, unsigned int argc, char **argv)

/* Chunk BIO work */
mutex_init(&dmz->chunk_lock);
- INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_KERNEL);
+ INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_NOIO);
dmz->chunk_wq = alloc_workqueue("dmz_cwq_%s", WQ_MEM_RECLAIM | WQ_UNBOUND,
0, dev->name);
if (!dmz->chunk_wq) {
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 0a7b0107ca78..cabae3e280c2 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1582,10 +1582,9 @@ static blk_qc_t __split_and_process_bio(struct mapped_device *md,
* the usage of io->orig_bio in dm_remap_zone_report()
* won't be affected by this reassignment.
*/
- struct bio *b = bio_clone_bioset(bio, GFP_NOIO,
- md->queue->bio_split);
+ struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
+ GFP_NOIO, md->queue->bio_split);
ci.io->orig_bio = b;
- bio_advance(bio, (bio_sectors(bio) - ci.sector_count) << 9);
bio_chain(b, bio);
ret = generic_make_request(bio);
break;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c208c01f63a5..bac480d75d1d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2853,7 +2853,8 @@ state_store(struct md_rdev *rdev, const char *buf, size_t len)
err = 0;
}
} else if (cmd_match(buf, "re-add")) {
- if (test_bit(Faulty, &rdev->flags) && (rdev->raid_disk == -1)) {
+ if (test_bit(Faulty, &rdev->flags) && (rdev->raid_disk == -1) &&
+ rdev->saved_raid_disk >= 0) {
/* clear_bit is performed _after_ all the devices
* have their local Faulty bit cleared. If any writes
* happen in the meantime in the local node, they
@@ -8641,6 +8642,7 @@ static int remove_and_add_spares(struct mddev *mddev,
if (mddev->pers->hot_remove_disk(
mddev, rdev) == 0) {
sysfs_unlink_rdev(mddev, rdev);
+ rdev->saved_raid_disk = rdev->raid_disk;
rdev->raid_disk = -1;
removed++;
}
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index e33414975065..a4ada1ccf0df 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -275,8 +275,20 @@ static void dvb_frontend_add_event(struct dvb_frontend *fe,
wake_up_interruptible (&events->wait_queue);
}

+static int dvb_frontend_test_event(struct dvb_frontend_private *fepriv,
+ struct dvb_fe_events *events)
+{
+ int ret;
+
+ up(&fepriv->sem);
+ ret = events->eventw != events->eventr;
+ down(&fepriv->sem);
+
+ return ret;
+}
+
static int dvb_frontend_get_event(struct dvb_frontend *fe,
- struct dvb_frontend_event *event, int flags)
+ struct dvb_frontend_event *event, int flags)
{
struct dvb_frontend_private *fepriv = fe->frontend_priv;
struct dvb_fe_events *events = &fepriv->events;
@@ -294,13 +306,8 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe,
if (flags & O_NONBLOCK)
return -EWOULDBLOCK;

- up(&fepriv->sem);
-
- ret = wait_event_interruptible (events->wait_queue,
- events->eventw != events->eventr);
-
- if (down_interruptible (&fepriv->sem))
- return -ERESTARTSYS;
+ ret = wait_event_interruptible(events->wait_queue,
+ dvb_frontend_test_event(fepriv, events));

if (ret < 0)
return ret;
diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index c2d3b8f0f487..93f69b3ac911 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -849,9 +849,8 @@ static int vsp1_video_setup_pipeline(struct vsp1_pipeline *pipe)
return 0;
}

-static void vsp1_video_cleanup_pipeline(struct vsp1_pipeline *pipe)
+static void vsp1_video_release_buffers(struct vsp1_video *video)
{
- struct vsp1_video *video = pipe->output->video;
struct vsp1_vb2_buffer *buffer;
unsigned long flags;

@@ -861,12 +860,18 @@ static void vsp1_video_cleanup_pipeline(struct vsp1_pipeline *pipe)
vb2_buffer_done(&buffer->buf.vb2_buf, VB2_BUF_STATE_ERROR);
INIT_LIST_HEAD(&video->irqqueue);
spin_unlock_irqrestore(&video->irqlock, flags);
+}
+
+static void vsp1_video_cleanup_pipeline(struct vsp1_pipeline *pipe)
+{
+ lockdep_assert_held(&pipe->lock);

/* Release our partition table allocation */
- mutex_lock(&pipe->lock);
kfree(pipe->part_table);
pipe->part_table = NULL;
- mutex_unlock(&pipe->lock);
+
+ vsp1_dl_list_put(pipe->dl);
+ pipe->dl = NULL;
}

static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count)
@@ -881,8 +886,9 @@ static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count)
if (pipe->stream_count == pipe->num_inputs) {
ret = vsp1_video_setup_pipeline(pipe);
if (ret < 0) {
- mutex_unlock(&pipe->lock);
+ vsp1_video_release_buffers(video);
vsp1_video_cleanup_pipeline(pipe);
+ mutex_unlock(&pipe->lock);
return ret;
}

@@ -932,13 +938,12 @@ static void vsp1_video_stop_streaming(struct vb2_queue *vq)
if (ret == -ETIMEDOUT)
dev_err(video->vsp1->dev, "pipeline stop timeout\n");

- vsp1_dl_list_put(pipe->dl);
- pipe->dl = NULL;
+ vsp1_video_cleanup_pipeline(pipe);
}
mutex_unlock(&pipe->lock);

media_pipeline_stop(&video->video.entity);
- vsp1_video_cleanup_pipeline(pipe);
+ vsp1_video_release_buffers(video);
vsp1_video_pipeline_put(pipe);
}

diff --git a/drivers/media/rc/ir-mce_kbd-decoder.c b/drivers/media/rc/ir-mce_kbd-decoder.c
index c110984ca671..5478fe08f9d3 100644
--- a/drivers/media/rc/ir-mce_kbd-decoder.c
+++ b/drivers/media/rc/ir-mce_kbd-decoder.c
@@ -130,6 +130,8 @@ static void mce_kbd_rx_timeout(struct timer_list *t)

for (i = 0; i < MCIR2_MASK_KEYS_START; i++)
input_report_key(raw->mce_kbd.idev, kbd_keycodes[i], 0);
+
+ input_sync(raw->mce_kbd.idev);
}

static enum mce_kbd_mode mce_kbd_mode(struct mce_kbd_dec *data)
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index c76b2101193c..89795d4d0a71 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1024,6 +1024,9 @@ struct usb_device_id cx231xx_id_table[] = {
.driver_info = CX231XX_BOARD_CNXT_RDE_250},
{USB_DEVICE(0x0572, 0x58A0),
.driver_info = CX231XX_BOARD_CNXT_RDU_250},
+ /* AverMedia DVD EZMaker 7 */
+ {USB_DEVICE(0x07ca, 0xc039),
+ .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
{USB_DEVICE(0x2040, 0xb110),
.driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL},
{USB_DEVICE(0x2040, 0xb111),
diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index 67ed66712d05..f31ffaf9d2f2 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -1151,7 +1151,7 @@ static int dvb_init(struct cx231xx *dev)
info.platform_data = &si2157_config;
request_module("si2157");

- client = i2c_new_device(adapter, &info);
+ client = i2c_new_device(tuner_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index aa0082fe5833..b28c997a7ab0 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -163,14 +163,27 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
}
}

+static size_t uvc_video_ctrl_size(struct uvc_streaming *stream)
+{
+ /*
+ * Return the size of the video probe and commit controls, which depends
+ * on the protocol version.
+ */
+ if (stream->dev->uvc_version < 0x0110)
+ return 26;
+ else if (stream->dev->uvc_version < 0x0150)
+ return 34;
+ else
+ return 48;
+}
+
static int uvc_get_video_ctrl(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl, int probe, u8 query)
{
+ u16 size = uvc_video_ctrl_size(stream);
u8 *data;
- u16 size;
int ret;

- size = stream->dev->uvc_version >= 0x0110 ? 34 : 26;
if ((stream->dev->quirks & UVC_QUIRK_PROBE_DEF) &&
query == UVC_GET_DEF)
return -EIO;
@@ -225,7 +238,7 @@ static int uvc_get_video_ctrl(struct uvc_streaming *stream,
ctrl->dwMaxVideoFrameSize = get_unaligned_le32(&data[18]);
ctrl->dwMaxPayloadTransferSize = get_unaligned_le32(&data[22]);

- if (size == 34) {
+ if (size >= 34) {
ctrl->dwClockFrequency = get_unaligned_le32(&data[26]);
ctrl->bmFramingInfo = data[30];
ctrl->bPreferedVersion = data[31];
@@ -254,11 +267,10 @@ static int uvc_get_video_ctrl(struct uvc_streaming *stream,
static int uvc_set_video_ctrl(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl, int probe)
{
+ u16 size = uvc_video_ctrl_size(stream);
u8 *data;
- u16 size;
int ret;

- size = stream->dev->uvc_version >= 0x0110 ? 34 : 26;
data = kzalloc(size, GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
@@ -275,7 +287,7 @@ static int uvc_set_video_ctrl(struct uvc_streaming *stream,
put_unaligned_le32(ctrl->dwMaxVideoFrameSize, &data[18]);
put_unaligned_le32(ctrl->dwMaxPayloadTransferSize, &data[22]);

- if (size == 34) {
+ if (size >= 34) {
put_unaligned_le32(ctrl->dwClockFrequency, &data[26]);
data[30] = ctrl->bmFramingInfo;
data[31] = ctrl->bPreferedVersion;
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 4312935f1dfc..d03a44d89649 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -871,7 +871,7 @@ static int put_v4l2_ext_controls32(struct file *file,
get_user(kcontrols, &kp->controls))
return -EFAULT;

- if (!count)
+ if (!count || count > (U32_MAX/sizeof(*ucontrols)))
return 0;
if (get_user(p, &up->controls))
return -EFAULT;
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index d1c46de89eb4..d9ae983095c5 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -124,6 +124,11 @@ static const struct intel_lpss_platform_info apl_i2c_info = {
.properties = apl_i2c_properties,
};

+static const struct intel_lpss_platform_info cnl_i2c_info = {
+ .clk_rate = 216000000,
+ .properties = spt_i2c_properties,
+};
+
static const struct pci_device_id intel_lpss_pci_ids[] = {
/* BXT A-Step */
{ PCI_VDEVICE(INTEL, 0x0aac), (kernel_ulong_t)&bxt_i2c_info },
@@ -207,13 +212,13 @@ static const struct pci_device_id intel_lpss_pci_ids[] = {
{ PCI_VDEVICE(INTEL, 0x9daa), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9dab), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0x9dfb), (kernel_ulong_t)&spt_info },
- { PCI_VDEVICE(INTEL, 0x9dc5), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0x9dc6), (kernel_ulong_t)&spt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x9dc5), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x9dc6), (kernel_ulong_t)&cnl_i2c_info },
{ PCI_VDEVICE(INTEL, 0x9dc7), (kernel_ulong_t)&spt_uart_info },
- { PCI_VDEVICE(INTEL, 0x9de8), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0x9de9), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0x9dea), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0x9deb), (kernel_ulong_t)&spt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x9de8), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x9de9), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x9dea), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0x9deb), (kernel_ulong_t)&cnl_i2c_info },
/* SPT-H */
{ PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info },
{ PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info },
@@ -240,10 +245,10 @@ static const struct pci_device_id intel_lpss_pci_ids[] = {
{ PCI_VDEVICE(INTEL, 0xa32b), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa37b), (kernel_ulong_t)&spt_info },
{ PCI_VDEVICE(INTEL, 0xa347), (kernel_ulong_t)&spt_uart_info },
- { PCI_VDEVICE(INTEL, 0xa368), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0xa369), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0xa36a), (kernel_ulong_t)&spt_i2c_info },
- { PCI_VDEVICE(INTEL, 0xa36b), (kernel_ulong_t)&spt_i2c_info },
+ { PCI_VDEVICE(INTEL, 0xa368), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0xa369), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0xa36a), (kernel_ulong_t)&cnl_i2c_info },
+ { PCI_VDEVICE(INTEL, 0xa36b), (kernel_ulong_t)&cnl_i2c_info },
{ }
};
MODULE_DEVICE_TABLE(pci, intel_lpss_pci_ids);
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index 9e545eb6e8b4..4bcf117a7ba8 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -275,11 +275,11 @@ static void intel_lpss_init_dev(const struct intel_lpss *lpss)

intel_lpss_deassert_reset(lpss);

+ intel_lpss_set_remap_addr(lpss);
+
if (!intel_lpss_has_idma(lpss))
return;

- intel_lpss_set_remap_addr(lpss);
-
/* Make sure that SPI multiblock DMA transfers are re-enabled */
if (lpss->type == LPSS_DEV_SPI)
writel(value, lpss->priv + LPSS_PRIV_SSP_REG);
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index d3133a371e27..c649344fd7f2 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -1177,7 +1177,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
twl_priv->ready = true;

/* setup clock framework */
- clocks_init(&pdev->dev, pdata ? pdata->clock : NULL);
+ clocks_init(&client->dev, pdata ? pdata->clock : NULL);

/* read TWL IDCODE Register */
if (twl_class_is_4030()) {
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 4d6736f9d463..429d6de1dde7 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -514,9 +514,9 @@ static int init_implementation_adapter_regs_psl9(struct cxl *adapter,
cxl_p1_write(adapter, CXL_PSL9_FIR_CNTL, psl_fircntl);

/* Setup the PSL to transmit packets on the PCIe before the
- * CAPP is enabled
+ * CAPP is enabled. Make sure that CAPP virtual machines are disabled
*/
- cxl_p1_write(adapter, CXL_PSL9_DSNDCTL, 0x0001001000002A10ULL);
+ cxl_p1_write(adapter, CXL_PSL9_DSNDCTL, 0x0001001000012A10ULL);

/*
* A response to an ASB_Notify request is returned by the
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 4b5a4c5d3c01..629e2e156412 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -353,12 +353,20 @@ static ssize_t prefault_mode_store(struct device *device,
struct cxl_afu *afu = to_cxl_afu(device);
enum prefault_modes mode = -1;

- if (!strncmp(buf, "work_element_descriptor", 23))
- mode = CXL_PREFAULT_WED;
- if (!strncmp(buf, "all", 3))
- mode = CXL_PREFAULT_ALL;
if (!strncmp(buf, "none", 4))
mode = CXL_PREFAULT_NONE;
+ else {
+ if (!radix_enabled()) {
+
+ /* only allowed when not in radix mode */
+ if (!strncmp(buf, "work_element_descriptor", 23))
+ mode = CXL_PREFAULT_WED;
+ if (!strncmp(buf, "all", 3))
+ mode = CXL_PREFAULT_ALL;
+ } else {
+ dev_err(device, "Cannot prefault with radix enabled\n");
+ }
+ }

if (mode == -1)
return -EINVAL;
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 51e01f03fb99..45c015da2e75 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -28,6 +28,7 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/mmc/host.h>
+#include <linux/mmc/slot-gpio.h>
#include <linux/mfd/tmio.h>
#include <linux/sh_dma.h>
#include <linux/delay.h>
@@ -534,6 +535,10 @@ int renesas_sdhi_probe(struct platform_device *pdev,
host->multi_io_quirk = renesas_sdhi_multi_io_quirk;
host->dma_ops = dma_ops;

+ /* For some SoC, we disable internal WP. GPIO may override this */
+ if (mmc_can_gpio_ro(host->mmc))
+ mmc_data->capabilities2 &= ~MMC_CAP2_NO_WRITE_PROTECT;
+
/* SDR speeds are only available on Gen2+ */
if (mmc_data->flags & TMIO_MMC_MIN_RCAR2) {
/* card_busy caused issues on r8a73a4 (pre-Gen2) CD-less SDHI */
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 6af946d16d24..eb027cdc8f24 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -87,6 +87,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_CMD23,
+ .capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
.bus_shift = 2,
.scc_offset = 0x1000,
.taps = rcar_gen3_scc_taps,
diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
index 848e50c1638a..4bb46c489d71 100644
--- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
@@ -42,6 +42,7 @@ static const struct renesas_sdhi_of_data of_rz_compatible = {
static const struct renesas_sdhi_of_data of_rcar_gen1_compatible = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+ .capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
};

/* Definitions for sampling clocks */
@@ -61,6 +62,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen2_compatible = {
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_CMD23,
+ .capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
.dma_buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES,
.dma_rx_offset = 0x2000,
.scc_offset = 0x0300,
@@ -81,6 +83,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_CMD23,
+ .capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
.bus_shift = 2,
.scc_offset = 0x1000,
.taps = rcar_gen3_scc_taps,
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 692902df2598..3a8a88fa06aa 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -1880,7 +1880,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
if (time_after(jiffies, timeo) && !chip_ready(map, adr))
break;

- if (chip_ready(map, adr)) {
+ if (chip_good(map, adr, datum)) {
xip_enable(map, chip, adr);
goto op_done;
}
@@ -2515,7 +2515,7 @@ static int cfi_atmel_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)

struct ppb_lock {
struct flchip *chip;
- loff_t offset;
+ unsigned long adr;
int locked;
};

@@ -2533,8 +2533,9 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
unsigned long timeo;
int ret;

+ adr += chip->start;
mutex_lock(&chip->mutex);
- ret = get_chip(map, chip, adr + chip->start, FL_LOCKING);
+ ret = get_chip(map, chip, adr, FL_LOCKING);
if (ret) {
mutex_unlock(&chip->mutex);
return ret;
@@ -2552,8 +2553,8 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,

if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) {
chip->state = FL_LOCKING;
- map_write(map, CMD(0xA0), chip->start + adr);
- map_write(map, CMD(0x00), chip->start + adr);
+ map_write(map, CMD(0xA0), adr);
+ map_write(map, CMD(0x00), adr);
} else if (thunk == DO_XXLOCK_ONEBLOCK_UNLOCK) {
/*
* Unlocking of one specific sector is not supported, so we
@@ -2591,7 +2592,7 @@ static int __maybe_unused do_ppb_xxlock(struct map_info *map,
map_write(map, CMD(0x00), chip->start);

chip->state = FL_READY;
- put_chip(map, chip, adr + chip->start);
+ put_chip(map, chip, adr);
mutex_unlock(&chip->mutex);

return ret;
@@ -2648,9 +2649,9 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
* sectors shall be unlocked, so lets keep their locking
* status at "unlocked" (locked=0) for the final re-locking.
*/
- if ((adr < ofs) || (adr >= (ofs + len))) {
+ if ((offset < ofs) || (offset >= (ofs + len))) {
sect[sectors].chip = &cfi->chips[chipnum];
- sect[sectors].offset = offset;
+ sect[sectors].adr = adr;
sect[sectors].locked = do_ppb_xxlock(
map, &cfi->chips[chipnum], adr, 0,
DO_XXLOCK_ONEBLOCK_GETLOCK);
@@ -2664,6 +2665,8 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
i++;

if (adr >> cfi->chipshift) {
+ if (offset >= (ofs + len))
+ break;
adr = 0;
chipnum++;

@@ -2694,7 +2697,7 @@ static int __maybe_unused cfi_ppb_unlock(struct mtd_info *mtd, loff_t ofs,
*/
for (i = 0; i < sectors; i++) {
if (sect[i].locked)
- do_ppb_xxlock(map, sect[i].chip, sect[i].offset, 0,
+ do_ppb_xxlock(map, sect[i].chip, sect[i].adr, 0,
DO_XXLOCK_ONEBLOCK_LOCK);
}

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index cfd33e6ca77f..5869e90cc14b 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -123,7 +123,11 @@ static int denali_dt_probe(struct platform_device *pdev)
if (ret)
return ret;

- denali->clk_x_rate = clk_get_rate(dt->clk);
+ /*
+ * Hardcode the clock rate for the backward compatibility.
+ * This works for both SOCFPGA and UniPhier.
+ */
+ denali->clk_x_rate = 200000000;

ret = denali_init(denali);
if (ret)
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index 45786e707b7b..26cef218bb43 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -48,7 +48,7 @@
#define NFC_V1_V2_CONFIG (host->regs + 0x0a)
#define NFC_V1_V2_ECC_STATUS_RESULT (host->regs + 0x0c)
#define NFC_V1_V2_RSLTMAIN_AREA (host->regs + 0x0e)
-#define NFC_V1_V2_RSLTSPARE_AREA (host->regs + 0x10)
+#define NFC_V21_RSLTSPARE_AREA (host->regs + 0x10)
#define NFC_V1_V2_WRPROT (host->regs + 0x12)
#define NFC_V1_UNLOCKSTART_BLKADDR (host->regs + 0x14)
#define NFC_V1_UNLOCKEND_BLKADDR (host->regs + 0x16)
@@ -1274,6 +1274,9 @@ static void preset_v2(struct mtd_info *mtd)
writew(config1, NFC_V1_V2_CONFIG1);
/* preset operation */

+ /* spare area size in 16-bit half-words */
+ writew(mtd->oobsize / 2, NFC_V21_RSLTSPARE_AREA);
+
/* Unlock the internal RAM Buffer */
writew(0x2, NFC_V1_V2_CONFIG);

diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index f28c3a555861..7a881000eeba 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -440,7 +440,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs)

for (; page < page_end; page++) {
res = chip->ecc.read_oob(mtd, chip, page);
- if (res)
+ if (res < 0)
return res;

bad = chip->oob_poi[chip->badblockpos];
@@ -2174,7 +2174,6 @@ static int nand_set_features_op(struct nand_chip *chip, u8 feature,
struct mtd_info *mtd = nand_to_mtd(chip);
const u8 *params = data;
int i, ret;
- u8 status;

if (chip->exec_op) {
const struct nand_sdr_timings *sdr =
@@ -2188,26 +2187,18 @@ static int nand_set_features_op(struct nand_chip *chip, u8 feature,
};
struct nand_operation op = NAND_OPERATION(instrs);

- ret = nand_exec_op(chip, &op);
- if (ret)
- return ret;
-
- ret = nand_status_op(chip, &status);
- if (ret)
- return ret;
- } else {
- chip->cmdfunc(mtd, NAND_CMD_SET_FEATURES, feature, -1);
- for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i)
- chip->write_byte(mtd, params[i]);
+ return nand_exec_op(chip, &op);
+ }

- ret = chip->waitfunc(mtd, chip);
- if (ret < 0)
- return ret;
+ chip->cmdfunc(mtd, NAND_CMD_SET_FEATURES, feature, -1);
+ for (i = 0; i < ONFI_SUBFEATURE_PARAM_LEN; ++i)
+ chip->write_byte(mtd, params[i]);

- status = ret;
- }
+ ret = chip->waitfunc(mtd, chip);
+ if (ret < 0)
+ return ret;

- if (status & NAND_STATUS_FAIL)
+ if (ret & NAND_STATUS_FAIL)
return -EIO;

return 0;
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c
index 7ed1f87e742a..49c546c97c6f 100644
--- a/drivers/mtd/nand/raw/nand_macronix.c
+++ b/drivers/mtd/nand/raw/nand_macronix.c
@@ -17,23 +17,47 @@

#include <linux/mtd/rawnand.h>

+/*
+ * Macronix AC series does not support using SET/GET_FEATURES to change
+ * the timings unlike what is declared in the parameter page. Unflag
+ * this feature to avoid unnecessary downturns.
+ */
+static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip)
+{
+ unsigned int i;
+ static const char * const broken_get_timings[] = {
+ "MX30LF1G18AC",
+ "MX30LF1G28AC",
+ "MX30LF2G18AC",
+ "MX30LF2G28AC",
+ "MX30LF4G18AC",
+ "MX30LF4G28AC",
+ "MX60LF8G18AC",
+ };
+
+ if (!chip->parameters.supports_set_get_features)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) {
+ if (!strcmp(broken_get_timings[i], chip->parameters.model))
+ break;
+ }
+
+ if (i == ARRAY_SIZE(broken_get_timings))
+ return;
+
+ bitmap_clear(chip->parameters.get_feature_list,
+ ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+ bitmap_clear(chip->parameters.set_feature_list,
+ ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+}
+
static int macronix_nand_init(struct nand_chip *chip)
{
if (nand_is_slc(chip))
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;

- /*
- * MX30LF2G18AC chip does not support using SET/GET_FEATURES to change
- * the timings unlike what is declared in the parameter page. Unflag
- * this feature to avoid unnecessary downturns.
- */
- if (chip->parameters.supports_set_get_features &&
- !strcmp("MX30LF2G18AC", chip->parameters.model)) {
- bitmap_clear(chip->parameters.get_feature_list,
- ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- bitmap_clear(chip->parameters.set_feature_list,
- ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- }
+ macronix_nand_fix_broken_get_timings(chip);

return 0;
}
diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c
index 0af45b134c0c..5ec4c90a637d 100644
--- a/drivers/mtd/nand/raw/nand_micron.c
+++ b/drivers/mtd/nand/raw/nand_micron.c
@@ -66,7 +66,9 @@ static int micron_nand_onfi_init(struct nand_chip *chip)

if (p->supports_set_get_features) {
set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->set_feature_list);
+ set_bit(ONFI_FEATURE_ON_DIE_ECC, p->set_feature_list);
set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->get_feature_list);
+ set_bit(ONFI_FEATURE_ON_DIE_ECC, p->get_feature_list);
}

return 0;
diff --git a/drivers/mtd/spi-nor/intel-spi.c b/drivers/mtd/spi-nor/intel-spi.c
index 699951523179..8e98f4ab87c1 100644
--- a/drivers/mtd/spi-nor/intel-spi.c
+++ b/drivers/mtd/spi-nor/intel-spi.c
@@ -136,6 +136,7 @@
* @swseq_reg: Use SW sequencer in register reads/writes
* @swseq_erase: Use SW sequencer in erase operation
* @erase_64k: 64k erase supported
+ * @atomic_preopcode: Holds preopcode when atomic sequence is requested
* @opcodes: Opcodes which are supported. This are programmed by BIOS
* before it locks down the controller.
*/
@@ -153,6 +154,7 @@ struct intel_spi {
bool swseq_reg;
bool swseq_erase;
bool erase_64k;
+ u8 atomic_preopcode;
u8 opcodes[8];
};

@@ -474,7 +476,7 @@ static int intel_spi_sw_cycle(struct intel_spi *ispi, u8 opcode, int len,
int optype)
{
u32 val = 0, status;
- u16 preop;
+ u8 atomic_preopcode;
int ret;

ret = intel_spi_opcode_index(ispi, opcode, optype);
@@ -484,17 +486,42 @@ static int intel_spi_sw_cycle(struct intel_spi *ispi, u8 opcode, int len,
if (len > INTEL_SPI_FIFO_SZ)
return -EINVAL;

+ /*
+ * Always clear it after each SW sequencer operation regardless
+ * of whether it is successful or not.
+ */
+ atomic_preopcode = ispi->atomic_preopcode;
+ ispi->atomic_preopcode = 0;
+
/* Only mark 'Data Cycle' bit when there is data to be transferred */
if (len > 0)
val = ((len - 1) << SSFSTS_CTL_DBC_SHIFT) | SSFSTS_CTL_DS;
val |= ret << SSFSTS_CTL_COP_SHIFT;
val |= SSFSTS_CTL_FCERR | SSFSTS_CTL_FDONE;
val |= SSFSTS_CTL_SCGO;
- preop = readw(ispi->sregs + PREOP_OPTYPE);
- if (preop) {
- val |= SSFSTS_CTL_ACS;
- if (preop >> 8)
- val |= SSFSTS_CTL_SPOP;
+ if (atomic_preopcode) {
+ u16 preop;
+
+ switch (optype) {
+ case OPTYPE_WRITE_NO_ADDR:
+ case OPTYPE_WRITE_WITH_ADDR:
+ /* Pick matching preopcode for the atomic sequence */
+ preop = readw(ispi->sregs + PREOP_OPTYPE);
+ if ((preop & 0xff) == atomic_preopcode)
+ ; /* Do nothing */
+ else if ((preop >> 8) == atomic_preopcode)
+ val |= SSFSTS_CTL_SPOP;
+ else
+ return -EINVAL;
+
+ /* Enable atomic sequence */
+ val |= SSFSTS_CTL_ACS;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
}
writel(val, ispi->sregs + SSFSTS_CTL);

@@ -538,13 +565,31 @@ static int intel_spi_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)

/*
* This is handled with atomic operation and preop code in Intel
- * controller so skip it here now. If the controller is not locked,
- * program the opcode to the PREOP register for later use.
+ * controller so we only verify that it is available. If the
+ * controller is not locked, program the opcode to the PREOP
+ * register for later use.
+ *
+ * When hardware sequencer is used there is no need to program
+ * any opcodes (it handles them automatically as part of a command).
*/
if (opcode == SPINOR_OP_WREN) {
- if (!ispi->locked)
+ u16 preop;
+
+ if (!ispi->swseq_reg)
+ return 0;
+
+ preop = readw(ispi->sregs + PREOP_OPTYPE);
+ if ((preop & 0xff) != opcode && (preop >> 8) != opcode) {
+ if (ispi->locked)
+ return -EINVAL;
writel(opcode, ispi->sregs + PREOP_OPTYPE);
+ }

+ /*
+ * This enables atomic sequence on next SW sycle. Will
+ * be cleared after next operation.
+ */
+ ispi->atomic_preopcode = opcode;
return 0;
}

@@ -569,6 +614,13 @@ static ssize_t intel_spi_read(struct spi_nor *nor, loff_t from, size_t len,
u32 val, status;
ssize_t ret;

+ /*
+ * Atomic sequence is not expected with HW sequencer reads. Make
+ * sure it is cleared regardless.
+ */
+ if (WARN_ON_ONCE(ispi->atomic_preopcode))
+ ispi->atomic_preopcode = 0;
+
switch (nor->read_opcode) {
case SPINOR_OP_READ:
case SPINOR_OP_READ_FAST:
@@ -627,6 +679,9 @@ static ssize_t intel_spi_write(struct spi_nor *nor, loff_t to, size_t len,
u32 val, status;
ssize_t ret;

+ /* Not needed with HW sequencer write, make sure it is cleared */
+ ispi->atomic_preopcode = 0;
+
while (len > 0) {
block_size = min_t(size_t, len, INTEL_SPI_FIFO_SZ);

@@ -707,6 +762,9 @@ static int intel_spi_erase(struct spi_nor *nor, loff_t offs)
return 0;
}

+ /* Not needed with HW sequencer erase, make sure it is cleared */
+ ispi->atomic_preopcode = 0;
+
while (len > 0) {
writel(offs, ispi->base + FADDR);

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 753494e042d5..74425af840d6 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1091,6 +1091,9 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
if (ubi->bgt_thread)
kthread_stop(ubi->bgt_thread);

+#ifdef CONFIG_MTD_UBI_FASTMAP
+ cancel_work_sync(&ubi->fm_work);
+#endif
ubi_debugfs_exit_dev(ubi);
uif_close(ubi);

diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 250e30fac61b..593a4f9d97e3 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -490,6 +490,82 @@ int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol,
return err;
}

+#ifdef CONFIG_MTD_UBI_FASTMAP
+/**
+ * check_mapping - check and fixup a mapping
+ * @ubi: UBI device description object
+ * @vol: volume description object
+ * @lnum: logical eraseblock number
+ * @pnum: physical eraseblock number
+ *
+ * Checks whether a given mapping is valid. Fastmap cannot track LEB unmap
+ * operations, if such an operation is interrupted the mapping still looks
+ * good, but upon first read an ECC is reported to the upper layer.
+ * Normaly during the full-scan at attach time this is fixed, for Fastmap
+ * we have to deal with it while reading.
+ * If the PEB behind a LEB shows this symthom we change the mapping to
+ * %UBI_LEB_UNMAPPED and schedule the PEB for erasure.
+ *
+ * Returns 0 on success, negative error code in case of failure.
+ */
+static int check_mapping(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
+ int *pnum)
+{
+ int err;
+ struct ubi_vid_io_buf *vidb;
+
+ if (!ubi->fast_attach)
+ return 0;
+
+ vidb = ubi_alloc_vid_buf(ubi, GFP_NOFS);
+ if (!vidb)
+ return -ENOMEM;
+
+ err = ubi_io_read_vid_hdr(ubi, *pnum, vidb, 0);
+ if (err > 0 && err != UBI_IO_BITFLIPS) {
+ int torture = 0;
+
+ switch (err) {
+ case UBI_IO_FF:
+ case UBI_IO_FF_BITFLIPS:
+ case UBI_IO_BAD_HDR:
+ case UBI_IO_BAD_HDR_EBADMSG:
+ break;
+ default:
+ ubi_assert(0);
+ }
+
+ if (err == UBI_IO_BAD_HDR_EBADMSG || err == UBI_IO_FF_BITFLIPS)
+ torture = 1;
+
+ down_read(&ubi->fm_eba_sem);
+ vol->eba_tbl->entries[lnum].pnum = UBI_LEB_UNMAPPED;
+ up_read(&ubi->fm_eba_sem);
+ ubi_wl_put_peb(ubi, vol->vol_id, lnum, *pnum, torture);
+
+ *pnum = UBI_LEB_UNMAPPED;
+ } else if (err < 0) {
+ ubi_err(ubi, "unable to read VID header back from PEB %i: %i",
+ *pnum, err);
+
+ goto out_free;
+ }
+
+ err = 0;
+
+out_free:
+ ubi_free_vid_buf(vidb);
+
+ return err;
+}
+#else
+static int check_mapping(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
+ int *pnum)
+{
+ return 0;
+}
+#endif
+
/**
* ubi_eba_read_leb - read data.
* @ubi: UBI device description object
@@ -522,7 +598,13 @@ int ubi_eba_read_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
return err;

pnum = vol->eba_tbl->entries[lnum].pnum;
- if (pnum < 0) {
+ if (pnum >= 0) {
+ err = check_mapping(ubi, vol, lnum, &pnum);
+ if (err < 0)
+ goto out_unlock;
+ }
+
+ if (pnum == UBI_LEB_UNMAPPED) {
/*
* The logical eraseblock is not mapped, fill the whole buffer
* with 0xFF bytes. The exception is static volumes for which
@@ -930,6 +1012,12 @@ int ubi_eba_write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum,
return err;

pnum = vol->eba_tbl->entries[lnum].pnum;
+ if (pnum >= 0) {
+ err = check_mapping(ubi, vol, lnum, &pnum);
+ if (err < 0)
+ goto out;
+ }
+
if (pnum >= 0) {
dbg_eba("write %d bytes at offset %d of LEB %d:%d, PEB %d",
len, offset, vol_id, lnum, pnum);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 2052a647220e..f66b3b22f328 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1505,6 +1505,7 @@ int ubi_thread(void *u)
}

dbg_wl("background thread \"%s\" is killed", ubi->bgt_name);
+ ubi->thread_enabled = 0;
return 0;
}

@@ -1514,9 +1515,6 @@ int ubi_thread(void *u)
*/
static void shutdown_work(struct ubi_device *ubi)
{
-#ifdef CONFIG_MTD_UBI_FASTMAP
- flush_work(&ubi->fm_work);
-#endif
while (!list_empty(&ubi->works)) {
struct ubi_work *wrk;

diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 38828ab77eb9..1480c094b57d 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1385,6 +1385,11 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
return -EOPNOTSUPP;
}

+static int match_first_device(struct device *dev, void *data)
+{
+ return !strncmp(dev_name(dev), "davinci_mdio", 12);
+}
+
/**
* emac_dev_open - EMAC device open
* @ndev: The DaVinci EMAC network adapter
@@ -1484,8 +1489,14 @@ static int emac_dev_open(struct net_device *ndev)

/* use the first phy on the bus if pdata did not give us a phy id */
if (!phydev && !priv->phy_id) {
- phy = bus_find_device_by_name(&mdio_bus_type, NULL,
- "davinci_mdio");
+ /* NOTE: we can't use bus_find_device_by_name() here because
+ * the device name is not guaranteed to be 'davinci_mdio'. On
+ * some systems it can be 'davinci_mdio.0' so we need to use
+ * strncmp() against the first part of the string to correctly
+ * match it.
+ */
+ phy = bus_find_device(&mdio_bus_type, NULL, NULL,
+ match_first_device);
if (phy) {
priv->phy_id = dev_name(phy);
if (!priv->phy_id || !*priv->phy_id)
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index a64023690cad..b9e0d30e317a 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -566,14 +566,18 @@ int nvdimm_revalidate_disk(struct gendisk *disk)
{
struct device *dev = disk_to_dev(disk)->parent;
struct nd_region *nd_region = to_nd_region(dev->parent);
- const char *pol = nd_region->ro ? "only" : "write";
+ int disk_ro = get_disk_ro(disk);

- if (nd_region->ro == get_disk_ro(disk))
+ /*
+ * Upgrade to read-only if the region is read-only preserve as
+ * read-only if the disk is already read-only.
+ */
+ if (disk_ro || nd_region->ro == disk_ro)
return 0;

- dev_info(dev, "%s read-%s, marking %s read-%s\n",
- dev_name(&nd_region->dev), pol, disk->disk_name, pol);
- set_disk_ro(disk, nd_region->ro);
+ dev_info(dev, "%s read-only, marking %s read-only\n",
+ dev_name(&nd_region->dev), disk->disk_name);
+ set_disk_ro(disk, 1);

return 0;

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 9d714926ecf5..d7193c4a6ee2 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -299,7 +299,7 @@ static int pmem_attach_disk(struct device *dev,
{
struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev);
struct nd_region *nd_region = to_nd_region(dev->parent);
- int nid = dev_to_node(dev), fua, wbc;
+ int nid = dev_to_node(dev), fua;
struct resource *res = &nsio->res;
struct resource bb_res;
struct nd_pfn *nd_pfn = NULL;
@@ -335,7 +335,6 @@ static int pmem_attach_disk(struct device *dev,
dev_warn(dev, "unable to guarantee persistence of writes\n");
fua = 0;
}
- wbc = nvdimm_has_cache(nd_region);

if (!devm_request_mem_region(dev, res->start, resource_size(res),
dev_name(&ndns->dev))) {
@@ -382,13 +381,14 @@ static int pmem_attach_disk(struct device *dev,
return PTR_ERR(addr);
pmem->virt_addr = addr;

- blk_queue_write_cache(q, wbc, fua);
+ blk_queue_write_cache(q, true, fua);
blk_queue_make_request(q, pmem_make_request);
blk_queue_physical_block_size(q, PAGE_SIZE);
blk_queue_logical_block_size(q, pmem_sector_size(ndns));
blk_queue_max_hw_sectors(q, UINT_MAX);
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- blk_queue_flag_set(QUEUE_FLAG_DAX, q);
+ if (pmem->pfn_flags & PFN_MAP)
+ blk_queue_flag_set(QUEUE_FLAG_DAX, q);
q->queuedata = pmem;

disk = alloc_disk_node(0, nid);
@@ -413,7 +413,7 @@ static int pmem_attach_disk(struct device *dev,
put_disk(disk);
return -ENOMEM;
}
- dax_write_cache(dax_dev, wbc);
+ dax_write_cache(dax_dev, nvdimm_has_cache(nd_region));
pmem->dax_dev = dax_dev;

gendev = disk_to_dev(disk);
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index a612be6f019d..ec3543b83330 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -1132,7 +1132,8 @@ EXPORT_SYMBOL_GPL(nvdimm_has_flush);

int nvdimm_has_cache(struct nd_region *nd_region)
{
- return is_nd_pmem(&nd_region->dev);
+ return is_nd_pmem(&nd_region->dev) &&
+ !test_bit(ND_REGION_PERSIST_CACHE, &nd_region->flags);
}
EXPORT_SYMBOL_GPL(nvdimm_has_cache);

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index c00d81dfac0b..9c91f97ffbe1 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -537,6 +537,9 @@ int of_platform_device_destroy(struct device *dev, void *data)
if (of_node_check_flag(dev->of_node, OF_POPULATED_BUS))
device_for_each_child(dev, NULL, of_platform_device_destroy);

+ of_node_clear_flag(dev->of_node, OF_POPULATED);
+ of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
+
if (dev->bus == &platform_bus_type)
platform_device_unregister(to_platform_device(dev));
#ifdef CONFIG_ARM_AMBA
@@ -544,8 +547,6 @@ int of_platform_device_destroy(struct device *dev, void *data)
amba_device_unregister(to_amba_device(dev));
#endif

- of_node_clear_flag(dev->of_node, OF_POPULATED);
- of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
return 0;
}
EXPORT_SYMBOL_GPL(of_platform_device_destroy);
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
index 65d0b7adfcd4..7edfac6f1914 100644
--- a/drivers/of/resolver.c
+++ b/drivers/of/resolver.c
@@ -122,6 +122,11 @@ static int update_usages_of_a_phandle_reference(struct device_node *overlay,
goto err_fail;
}

+ if (offset < 0 || offset + sizeof(__be32) > prop->length) {
+ err = -EINVAL;
+ goto err_fail;
+ }
+
*(__be32 *)(prop->value + offset) = cpu_to_be32(phandle);
}

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 6bb37c18292a..ecee50d10d14 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -165,20 +165,20 @@ static void __init of_unittest_dynamic(void)
/* Add a new property - should pass*/
prop->name = "new-property";
prop->value = "new-property-data";
- prop->length = strlen(prop->value);
+ prop->length = strlen(prop->value) + 1;
unittest(of_add_property(np, prop) == 0, "Adding a new property failed\n");

/* Try to add an existing property - should fail */
prop++;
prop->name = "new-property";
prop->value = "new-property-data-should-fail";
- prop->length = strlen(prop->value);
+ prop->length = strlen(prop->value) + 1;
unittest(of_add_property(np, prop) != 0,
"Adding an existing property should have failed\n");

/* Try to modify an existing property - should pass */
prop->value = "modify-property-data-should-pass";
- prop->length = strlen(prop->value);
+ prop->length = strlen(prop->value) + 1;
unittest(of_update_property(np, prop) == 0,
"Updating an existing property should have passed\n");

@@ -186,7 +186,7 @@ static void __init of_unittest_dynamic(void)
prop++;
prop->name = "modify-property";
prop->value = "modify-missing-property-data-should-pass";
- prop->length = strlen(prop->value);
+ prop->length = strlen(prop->value) + 1;
unittest(of_update_property(np, prop) == 0,
"Updating a missing property should have passed\n");

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 92fa94a6dcc1..9c3f5e3df232 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -591,7 +591,7 @@ static int _generic_set_opp_regulator(const struct opp_table *opp_table,
}

/* Scaling up? Scale voltage before frequency */
- if (freq > old_freq) {
+ if (freq >= old_freq) {
ret = _set_opp_voltage(dev, reg, new_supply);
if (ret)
goto restore_voltage;
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index c75199538c05..da4b457a14e0 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -1596,17 +1596,6 @@ static struct hv_pci_dev *new_pcichild_device(struct hv_pcibus_device *hbus,
get_pcichild(hpdev, hv_pcidev_ref_childlist);
spin_lock_irqsave(&hbus->device_list_lock, flags);

- /*
- * When a device is being added to the bus, we set the PCI domain
- * number to be the device serial number, which is non-zero and
- * unique on the same VM. The serial numbers start with 1, and
- * increase by 1 for each device. So device names including this
- * can have shorter names than based on the bus instance UUID.
- * Only the first device serial number is used for domain, so the
- * domain number will not change after the first device is added.
- */
- if (list_empty(&hbus->children))
- hbus->sysdata.domain = desc->ser;
list_add_tail(&hpdev->list_entry, &hbus->children);
spin_unlock_irqrestore(&hbus->device_list_lock, flags);
return hpdev;
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 88e917c9120f..5f892065585e 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -121,7 +121,7 @@ struct controller *pcie_init(struct pcie_device *dev);
int pcie_init_notification(struct controller *ctrl);
int pciehp_enable_slot(struct slot *p_slot);
int pciehp_disable_slot(struct slot *p_slot);
-void pcie_enable_notification(struct controller *ctrl);
+void pcie_reenable_notification(struct controller *ctrl);
int pciehp_power_on_slot(struct slot *slot);
void pciehp_power_off_slot(struct slot *slot);
void pciehp_get_power_status(struct slot *slot, u8 *status);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 332b723ff9e6..44a6a63802d5 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -283,7 +283,7 @@ static int pciehp_resume(struct pcie_device *dev)
ctrl = get_service_data(dev);

/* reinitialize the chipset's event detection logic */
- pcie_enable_notification(ctrl);
+ pcie_reenable_notification(ctrl);

slot = ctrl->slot;

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 18a42f8f5dc5..98ea75aa32c7 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -659,7 +659,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
return handled;
}

-void pcie_enable_notification(struct controller *ctrl)
+static void pcie_enable_notification(struct controller *ctrl)
{
u16 cmd, mask;

@@ -697,6 +697,17 @@ void pcie_enable_notification(struct controller *ctrl)
pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, cmd);
}

+void pcie_reenable_notification(struct controller *ctrl)
+{
+ /*
+ * Clear both Presence and Data Link Layer Changed to make sure
+ * those events still fire after we have re-enabled them.
+ */
+ pcie_capability_write_word(ctrl->pcie->port, PCI_EXP_SLTSTA,
+ PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_DLLSC);
+ pcie_enable_notification(ctrl);
+}
+
static void pcie_disable_notification(struct controller *ctrl)
{
u16 mask;
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index b9a131137e64..c816b0683a82 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -753,10 +753,11 @@ static int pci_pm_suspend(struct device *dev)
* better to resume the device from runtime suspend here.
*/
if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) ||
- !pci_dev_keep_suspended(pci_dev))
+ !pci_dev_keep_suspended(pci_dev)) {
pm_runtime_resume(dev);
+ pci_dev->state_saved = false;
+ }

- pci_dev->state_saved = false;
if (pm->suspend) {
pci_power_t prev = pci_dev->current_state;
int error;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index ac91b6fd0bcd..73ac02796ba9 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2638,7 +2638,14 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
for_each_pci_bridge(dev, bus) {
cmax = max;
max = pci_scan_bridge_extend(bus, dev, max, 0, 0);
- used_buses += cmax - max;
+
+ /*
+ * Reserve one bus for each bridge now to avoid extending
+ * hotplug bridges too much during the second scan below.
+ */
+ used_buses++;
+ if (cmax - max > 1)
+ used_buses += cmax - max - 1;
}

/* Scan bridges that need to be reconfigured */
@@ -2661,12 +2668,14 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
* bridges if any.
*/
buses = available_buses / hotplug_bridges;
- buses = min(buses, available_buses - used_buses);
+ buses = min(buses, available_buses - used_buses + 1);
}

cmax = max;
max = pci_scan_bridge_extend(bus, dev, cmax, buses, 1);
- used_buses += max - cmax;
+ /* One bus is already accounted so don't add it again */
+ if (max - cmax > 1)
+ used_buses += max - cmax - 1;
}

/*
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 2990ad1e7c99..785a29ba4f51 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4230,11 +4230,29 @@ static int pci_quirk_qcom_rp_acs(struct pci_dev *dev, u16 acs_flags)
* 0xa290-0xa29f PCI Express Root port #{0-16}
* 0xa2e7-0xa2ee PCI Express Root port #{17-24}
*
+ * Mobile chipsets are also affected, 7th & 8th Generation
+ * Specification update confirms ACS errata 22, status no fix: (7th Generation
+ * Intel Processor Family I/O for U/Y Platforms and 8th Generation Intel
+ * Processor Family I/O for U Quad Core Platforms Specification Update,
+ * August 2017, Revision 002, Document#: 334660-002)[6]
+ * Device IDs from I/O datasheet: (7th Generation Intel Processor Family I/O
+ * for U/Y Platforms and 8th Generation Intel ® Processor Family I/O for U
+ * Quad Core Platforms, Vol 1 of 2, August 2017, Document#: 334658-003)[7]
+ *
+ * 0x9d10-0x9d1b PCI Express Root port #{1-12}
+ *
+ * The 300 series chipset suffers from the same bug so include those root
+ * ports here as well.
+ *
+ * 0xa32c-0xa343 PCI Express Root port #{0-24}
+ *
* [1] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-datasheet-vol-2.html
* [2] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-datasheet-vol-1.html
* [3] http://www.intel.com/content/www/us/en/chipsets/100-series-chipset-spec-update.html
* [4] http://www.intel.com/content/www/us/en/chipsets/200-series-chipset-pch-spec-update.html
* [5] http://www.intel.com/content/www/us/en/chipsets/200-series-chipset-pch-datasheet-vol-1.html
+ * [6] https://www.intel.com/content/www/us/en/processors/core/7th-gen-core-family-mobile-u-y-processor-lines-i-o-spec-update.html
+ * [7] https://www.intel.com/content/www/us/en/processors/core/7th-gen-core-family-mobile-u-y-processor-lines-i-o-datasheet-vol-1.html
*/
static bool pci_quirk_intel_spt_pch_acs_match(struct pci_dev *dev)
{
@@ -4244,6 +4262,8 @@ static bool pci_quirk_intel_spt_pch_acs_match(struct pci_dev *dev)
switch (dev->device) {
case 0xa110 ... 0xa11f: case 0xa167 ... 0xa16a: /* Sunrise Point */
case 0xa290 ... 0xa29f: case 0xa2e7 ... 0xa2ee: /* Union Point */
+ case 0x9d10 ... 0x9d1b: /* 7th & 8th Gen Mobile */
+ case 0xa32c ... 0xa343: /* 300 series */
return true;
}

diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index b601039d6c69..c4aa411f5935 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -101,10 +101,11 @@ struct pinctrl_dev *of_pinctrl_get(struct device_node *np)
}

static int dt_to_map_one_config(struct pinctrl *p,
- struct pinctrl_dev *pctldev,
+ struct pinctrl_dev *hog_pctldev,
const char *statename,
struct device_node *np_config)
{
+ struct pinctrl_dev *pctldev = NULL;
struct device_node *np_pctldev;
const struct pinctrl_ops *ops;
int ret;
@@ -123,8 +124,10 @@ static int dt_to_map_one_config(struct pinctrl *p,
return -EPROBE_DEFER;
}
/* If we're creating a hog we can use the passed pctldev */
- if (pctldev && (np_pctldev == p->dev->of_node))
+ if (hog_pctldev && (np_pctldev == p->dev->of_node)) {
+ pctldev = hog_pctldev;
break;
+ }
pctldev = get_pinctrl_dev_from_of_node(np_pctldev);
if (pctldev)
break;
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 5b63248c8209..7bef929bd7fe 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -679,12 +679,13 @@ static void armada_37xx_irq_handler(struct irq_desc *desc)
writel(1 << hwirq,
info->base +
IRQ_STATUS + 4 * i);
- continue;
+ goto update_status;
}
}

generic_handle_irq(virq);

+update_status:
/* Update status in case a new IRQ appears */
spin_lock_irqsave(&info->irq_lock, flags);
status = readl_relaxed(info->base +
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
index 90c274490181..4f4ae66a0ee3 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
@@ -105,12 +105,12 @@ static const struct samsung_pin_bank_data s5pv210_pin_bank[] __initconst = {
EXYNOS_PIN_BANK_EINTG(7, 0x1c0, "gpg1", 0x38),
EXYNOS_PIN_BANK_EINTG(7, 0x1e0, "gpg2", 0x3c),
EXYNOS_PIN_BANK_EINTG(7, 0x200, "gpg3", 0x40),
- EXYNOS_PIN_BANK_EINTN(7, 0x220, "gpi"),
EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x44),
EXYNOS_PIN_BANK_EINTG(6, 0x260, "gpj1", 0x48),
EXYNOS_PIN_BANK_EINTG(8, 0x280, "gpj2", 0x4c),
EXYNOS_PIN_BANK_EINTG(8, 0x2a0, "gpj3", 0x50),
EXYNOS_PIN_BANK_EINTG(5, 0x2c0, "gpj4", 0x54),
+ EXYNOS_PIN_BANK_EINTN(7, 0x220, "gpi"),
EXYNOS_PIN_BANK_EINTN(8, 0x2e0, "mp01"),
EXYNOS_PIN_BANK_EINTN(4, 0x300, "mp02"),
EXYNOS_PIN_BANK_EINTN(8, 0x320, "mp03"),
@@ -630,7 +630,6 @@ static const struct samsung_pin_bank_data exynos5410_pin_banks0[] __initconst =
EXYNOS_PIN_BANK_EINTG(4, 0x100, "gpc3", 0x20),
EXYNOS_PIN_BANK_EINTG(7, 0x120, "gpc1", 0x24),
EXYNOS_PIN_BANK_EINTG(7, 0x140, "gpc2", 0x28),
- EXYNOS_PIN_BANK_EINTN(2, 0x160, "gpm5"),
EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpd1", 0x2c),
EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpe0", 0x30),
EXYNOS_PIN_BANK_EINTG(2, 0x1C0, "gpe1", 0x34),
@@ -641,6 +640,7 @@ static const struct samsung_pin_bank_data exynos5410_pin_banks0[] __initconst =
EXYNOS_PIN_BANK_EINTG(2, 0x260, "gpg2", 0x48),
EXYNOS_PIN_BANK_EINTG(4, 0x280, "gph0", 0x4c),
EXYNOS_PIN_BANK_EINTG(8, 0x2A0, "gph1", 0x50),
+ EXYNOS_PIN_BANK_EINTN(2, 0x160, "gpm5"),
EXYNOS_PIN_BANK_EINTN(8, 0x2C0, "gpm7"),
EXYNOS_PIN_BANK_EINTN(6, 0x2E0, "gpy0"),
EXYNOS_PIN_BANK_EINTN(4, 0x300, "gpy1"),
diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 3682e1539251..31c8b8c49e45 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -435,7 +435,13 @@ static int __init cros_ec_lpc_init(void)
int ret;
acpi_status status;

- if (!dmi_check_system(cros_ec_lpc_dmi_table)) {
+ status = acpi_get_devices(ACPI_DRV_NAME, cros_ec_lpc_parse_device,
+ &cros_ec_lpc_acpi_device_found, NULL);
+ if (ACPI_FAILURE(status))
+ pr_warn(DRV_NAME ": Looking for %s failed\n", ACPI_DRV_NAME);
+
+ if (!cros_ec_lpc_acpi_device_found &&
+ !dmi_check_system(cros_ec_lpc_dmi_table)) {
pr_err(DRV_NAME ": unsupported system.\n");
return -ENODEV;
}
@@ -450,11 +456,6 @@ static int __init cros_ec_lpc_init(void)
return ret;
}

- status = acpi_get_devices(ACPI_DRV_NAME, cros_ec_lpc_parse_device,
- &cros_ec_lpc_acpi_device_found, NULL);
- if (ACPI_FAILURE(status))
- pr_warn(DRV_NAME ": Looking for %s failed\n", ACPI_DRV_NAME);
-
if (!cros_ec_lpc_acpi_device_found) {
/* Register the device, and it'll get hooked up automatically */
ret = platform_device_register(&cros_ec_lpc_device);
diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c
index 5d6ed1507d29..5561b9e190f8 100644
--- a/drivers/pwm/pwm-lpss-platform.c
+++ b/drivers/pwm/pwm-lpss-platform.c
@@ -74,6 +74,10 @@ static int pwm_lpss_remove_platform(struct platform_device *pdev)
return pwm_lpss_remove(lpwm);
}

+static SIMPLE_DEV_PM_OPS(pwm_lpss_platform_pm_ops,
+ pwm_lpss_suspend,
+ pwm_lpss_resume);
+
static const struct acpi_device_id pwm_lpss_acpi_match[] = {
{ "80860F09", (unsigned long)&pwm_lpss_byt_info },
{ "80862288", (unsigned long)&pwm_lpss_bsw_info },
@@ -86,6 +90,7 @@ static struct platform_driver pwm_lpss_driver_platform = {
.driver = {
.name = "pwm-lpss",
.acpi_match_table = pwm_lpss_acpi_match,
+ .pm = &pwm_lpss_platform_pm_ops,
},
.probe = pwm_lpss_probe_platform,
.remove = pwm_lpss_remove_platform,
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c
index 8db0d40ccacd..4721a264bac2 100644
--- a/drivers/pwm/pwm-lpss.c
+++ b/drivers/pwm/pwm-lpss.c
@@ -32,10 +32,13 @@
/* Size of each PWM register space if multiple */
#define PWM_SIZE 0x400

+#define MAX_PWMS 4
+
struct pwm_lpss_chip {
struct pwm_chip chip;
void __iomem *regs;
const struct pwm_lpss_boardinfo *info;
+ u32 saved_ctrl[MAX_PWMS];
};

static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip)
@@ -177,6 +180,9 @@ struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,
unsigned long c;
int ret;

+ if (WARN_ON(info->npwm > MAX_PWMS))
+ return ERR_PTR(-ENODEV);
+
lpwm = devm_kzalloc(dev, sizeof(*lpwm), GFP_KERNEL);
if (!lpwm)
return ERR_PTR(-ENOMEM);
@@ -212,6 +218,30 @@ int pwm_lpss_remove(struct pwm_lpss_chip *lpwm)
}
EXPORT_SYMBOL_GPL(pwm_lpss_remove);

+int pwm_lpss_suspend(struct device *dev)
+{
+ struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < lpwm->info->npwm; i++)
+ lpwm->saved_ctrl[i] = readl(lpwm->regs + i * PWM_SIZE + PWM);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pwm_lpss_suspend);
+
+int pwm_lpss_resume(struct device *dev)
+{
+ struct pwm_lpss_chip *lpwm = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 0; i < lpwm->info->npwm; i++)
+ writel(lpwm->saved_ctrl[i], lpwm->regs + i * PWM_SIZE + PWM);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pwm_lpss_resume);
+
MODULE_DESCRIPTION("PWM driver for Intel LPSS");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h
index 98306bb02cfe..7a4238ad1fcb 100644
--- a/drivers/pwm/pwm-lpss.h
+++ b/drivers/pwm/pwm-lpss.h
@@ -28,5 +28,7 @@ struct pwm_lpss_boardinfo {
struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r,
const struct pwm_lpss_boardinfo *info);
int pwm_lpss_remove(struct pwm_lpss_chip *lpwm);
+int pwm_lpss_suspend(struct device *dev);
+int pwm_lpss_resume(struct device *dev);

#endif /* __PWM_LPSS_H */
diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c
index cbbafdcaaecb..56b14c27e275 100644
--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -761,13 +761,11 @@ static int q6v5_start(struct rproc *rproc)
}

/* Assign MBA image access in DDR to q6 */
- xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true,
- qproc->mba_phys,
- qproc->mba_size);
- if (xfermemop_ret) {
+ ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true,
+ qproc->mba_phys, qproc->mba_size);
+ if (ret) {
dev_err(qproc->dev,
- "assigning Q6 access to mba memory failed: %d\n",
- xfermemop_ret);
+ "assigning Q6 access to mba memory failed: %d\n", ret);
goto disable_active_clks;
}

diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 5ce9bf7b897d..f63adcd95eb0 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -1100,12 +1100,12 @@ static struct qcom_smd_channel *qcom_smd_create_channel(struct qcom_smd_edge *ed
void *info;
int ret;

- channel = devm_kzalloc(&edge->dev, sizeof(*channel), GFP_KERNEL);
+ channel = kzalloc(sizeof(*channel), GFP_KERNEL);
if (!channel)
return ERR_PTR(-ENOMEM);

channel->edge = edge;
- channel->name = devm_kstrdup(&edge->dev, name, GFP_KERNEL);
+ channel->name = kstrdup(name, GFP_KERNEL);
if (!channel->name)
return ERR_PTR(-ENOMEM);

@@ -1156,8 +1156,8 @@ static struct qcom_smd_channel *qcom_smd_create_channel(struct qcom_smd_edge *ed
return channel;

free_name_and_channel:
- devm_kfree(&edge->dev, channel->name);
- devm_kfree(&edge->dev, channel);
+ kfree(channel->name);
+ kfree(channel);

return ERR_PTR(ret);
}
@@ -1378,13 +1378,13 @@ static int qcom_smd_parse_edge(struct device *dev,
*/
static void qcom_smd_edge_release(struct device *dev)
{
- struct qcom_smd_channel *channel;
+ struct qcom_smd_channel *channel, *tmp;
struct qcom_smd_edge *edge = to_smd_edge(dev);

- list_for_each_entry(channel, &edge->channels, list) {
- SET_RX_CHANNEL_INFO(channel, state, SMD_CHANNEL_CLOSED);
- SET_RX_CHANNEL_INFO(channel, head, 0);
- SET_RX_CHANNEL_INFO(channel, tail, 0);
+ list_for_each_entry_safe(channel, tmp, &edge->channels, list) {
+ list_del(&channel->list);
+ kfree(channel->name);
+ kfree(channel);
}

kfree(edge);
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index 2e6fb275acc8..2cd5a7b1a2e3 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -74,7 +74,7 @@
#define SUN6I_ALARM_CONFIG_WAKEUP BIT(0)

#define SUN6I_LOSC_OUT_GATING 0x0060
-#define SUN6I_LOSC_OUT_GATING_EN BIT(0)
+#define SUN6I_LOSC_OUT_GATING_EN_OFFSET 0

/*
* Get date values
@@ -255,7 +255,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node)
&clkout_name);
rtc->ext_losc = clk_register_gate(NULL, clkout_name, rtc->hw.init->name,
0, rtc->base + SUN6I_LOSC_OUT_GATING,
- SUN6I_LOSC_OUT_GATING_EN, 0,
+ SUN6I_LOSC_OUT_GATING_EN_OFFSET, 0,
&rtc->lock);
if (IS_ERR(rtc->ext_losc)) {
pr_crit("Couldn't register the LOSC external gate\n");
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 18c4f933e8b9..b415ba42ca73 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -664,6 +664,46 @@ void zfcp_dbf_scsi(char *tag, int level, struct scsi_cmnd *sc,
spin_unlock_irqrestore(&dbf->scsi_lock, flags);
}

+/**
+ * zfcp_dbf_scsi_eh() - Trace event for special cases of scsi_eh callbacks.
+ * @tag: Identifier for event.
+ * @adapter: Pointer to zfcp adapter as context for this event.
+ * @scsi_id: SCSI ID/target to indicate scope of task management function (TMF).
+ * @ret: Return value of calling function.
+ *
+ * This SCSI trace variant does not depend on any of:
+ * scsi_cmnd, zfcp_fsf_req, scsi_device.
+ */
+void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
+ unsigned int scsi_id, int ret)
+{
+ struct zfcp_dbf *dbf = adapter->dbf;
+ struct zfcp_dbf_scsi *rec = &dbf->scsi_buf;
+ unsigned long flags;
+ static int const level = 1;
+
+ if (unlikely(!debug_level_enabled(adapter->dbf->scsi, level)))
+ return;
+
+ spin_lock_irqsave(&dbf->scsi_lock, flags);
+ memset(rec, 0, sizeof(*rec));
+
+ memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+ rec->id = ZFCP_DBF_SCSI_CMND;
+ rec->scsi_result = ret; /* re-use field, int is 4 bytes and fits */
+ rec->scsi_retries = ~0;
+ rec->scsi_allowed = ~0;
+ rec->fcp_rsp_info = ~0;
+ rec->scsi_id = scsi_id;
+ rec->scsi_lun = (u32)ZFCP_DBF_INVALID_LUN;
+ rec->scsi_lun_64_hi = (u32)(ZFCP_DBF_INVALID_LUN >> 32);
+ rec->host_scribble = ~0;
+ memset(rec->scsi_opcode, 0xff, ZFCP_DBF_SCSI_OPCODE);
+
+ debug_event(dbf->scsi, level, rec, sizeof(*rec));
+ spin_unlock_irqrestore(&dbf->scsi_lock, flags);
+}
+
static debug_info_t *zfcp_dbf_reg(const char *name, int size, int rec_size)
{
struct debug_info *d;
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 1d91a32db08e..69dfb328dba4 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -35,11 +35,28 @@ enum zfcp_erp_steps {
ZFCP_ERP_STEP_LUN_OPENING = 0x2000,
};

+/**
+ * enum zfcp_erp_act_type - Type of ERP action object.
+ * @ZFCP_ERP_ACTION_REOPEN_LUN: LUN recovery.
+ * @ZFCP_ERP_ACTION_REOPEN_PORT: Port recovery.
+ * @ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: Forced port recovery.
+ * @ZFCP_ERP_ACTION_REOPEN_ADAPTER: Adapter recovery.
+ * @ZFCP_ERP_ACTION_NONE: Eyecatcher pseudo flag to bitwise or-combine with
+ * either of the first four enum values.
+ * Used to indicate that an ERP action could not be
+ * set up despite a detected need for some recovery.
+ * @ZFCP_ERP_ACTION_FAILED: Eyecatcher pseudo flag to bitwise or-combine with
+ * either of the first four enum values.
+ * Used to indicate that ERP not needed because
+ * the object has ZFCP_STATUS_COMMON_ERP_FAILED.
+ */
enum zfcp_erp_act_type {
ZFCP_ERP_ACTION_REOPEN_LUN = 1,
ZFCP_ERP_ACTION_REOPEN_PORT = 2,
ZFCP_ERP_ACTION_REOPEN_PORT_FORCED = 3,
ZFCP_ERP_ACTION_REOPEN_ADAPTER = 4,
+ ZFCP_ERP_ACTION_NONE = 0xc0,
+ ZFCP_ERP_ACTION_FAILED = 0xe0,
};

enum zfcp_erp_act_state {
@@ -126,6 +143,49 @@ static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter)
}
}

+static int zfcp_erp_handle_failed(int want, struct zfcp_adapter *adapter,
+ struct zfcp_port *port,
+ struct scsi_device *sdev)
+{
+ int need = want;
+ struct zfcp_scsi_dev *zsdev;
+
+ switch (want) {
+ case ZFCP_ERP_ACTION_REOPEN_LUN:
+ zsdev = sdev_to_zfcp(sdev);
+ if (atomic_read(&zsdev->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
+ need = 0;
+ break;
+ case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
+ if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
+ need = 0;
+ break;
+ case ZFCP_ERP_ACTION_REOPEN_PORT:
+ if (atomic_read(&port->status) &
+ ZFCP_STATUS_COMMON_ERP_FAILED) {
+ need = 0;
+ /* ensure propagation of failed status to new devices */
+ zfcp_erp_set_port_status(
+ port, ZFCP_STATUS_COMMON_ERP_FAILED);
+ }
+ break;
+ case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
+ if (atomic_read(&adapter->status) &
+ ZFCP_STATUS_COMMON_ERP_FAILED) {
+ need = 0;
+ /* ensure propagation of failed status to new devices */
+ zfcp_erp_set_adapter_status(
+ adapter, ZFCP_STATUS_COMMON_ERP_FAILED);
+ }
+ break;
+ default:
+ need = 0;
+ break;
+ }
+
+ return need;
+}
+
static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter,
struct zfcp_port *port,
struct scsi_device *sdev)
@@ -249,16 +309,27 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
int retval = 1, need;
struct zfcp_erp_action *act;

- if (!adapter->erp_thread)
- return -EIO;
+ need = zfcp_erp_handle_failed(want, adapter, port, sdev);
+ if (!need) {
+ need = ZFCP_ERP_ACTION_FAILED; /* marker for trace */
+ goto out;
+ }
+
+ if (!adapter->erp_thread) {
+ need = ZFCP_ERP_ACTION_NONE; /* marker for trace */
+ retval = -EIO;
+ goto out;
+ }

need = zfcp_erp_required_act(want, adapter, port, sdev);
if (!need)
goto out;

act = zfcp_erp_setup_act(need, act_status, adapter, port, sdev);
- if (!act)
+ if (!act) {
+ need |= ZFCP_ERP_ACTION_NONE; /* marker for trace */
goto out;
+ }
atomic_or(ZFCP_STATUS_ADAPTER_ERP_PENDING, &adapter->status);
++adapter->erp_total_count;
list_add_tail(&act->list, &adapter->erp_ready_head);
@@ -269,18 +340,32 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
return retval;
}

+void zfcp_erp_port_forced_no_port_dbf(char *id, struct zfcp_adapter *adapter,
+ u64 port_name, u32 port_id)
+{
+ unsigned long flags;
+ static /* don't waste stack */ struct zfcp_port tmpport;
+
+ write_lock_irqsave(&adapter->erp_lock, flags);
+ /* Stand-in zfcp port with fields just good enough for
+ * zfcp_dbf_rec_trig() and zfcp_dbf_set_common().
+ * Under lock because tmpport is static.
+ */
+ atomic_set(&tmpport.status, -1); /* unknown */
+ tmpport.wwpn = port_name;
+ tmpport.d_id = port_id;
+ zfcp_dbf_rec_trig(id, adapter, &tmpport, NULL,
+ ZFCP_ERP_ACTION_REOPEN_PORT_FORCED,
+ ZFCP_ERP_ACTION_NONE);
+ write_unlock_irqrestore(&adapter->erp_lock, flags);
+}
+
static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
int clear_mask, char *id)
{
zfcp_erp_adapter_block(adapter, clear_mask);
zfcp_scsi_schedule_rports_block(adapter);

- /* ensure propagation of failed status to new devices */
- if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED) {
- zfcp_erp_set_adapter_status(adapter,
- ZFCP_STATUS_COMMON_ERP_FAILED);
- return -EIO;
- }
return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
adapter, NULL, NULL, id, 0);
}
@@ -299,12 +384,8 @@ void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear, char *id)
zfcp_scsi_schedule_rports_block(adapter);

write_lock_irqsave(&adapter->erp_lock, flags);
- if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
- zfcp_erp_set_adapter_status(adapter,
- ZFCP_STATUS_COMMON_ERP_FAILED);
- else
- zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, adapter,
- NULL, NULL, id, 0);
+ zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, adapter,
+ NULL, NULL, id, 0);
write_unlock_irqrestore(&adapter->erp_lock, flags);
}

@@ -345,9 +426,6 @@ static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear,
zfcp_erp_port_block(port, clear);
zfcp_scsi_schedule_rport_block(port);

- if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
- return;
-
zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT_FORCED,
port->adapter, port, NULL, id, 0);
}
@@ -373,12 +451,6 @@ static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
zfcp_erp_port_block(port, clear);
zfcp_scsi_schedule_rport_block(port);

- if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED) {
- /* ensure propagation of failed status to new devices */
- zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_ERP_FAILED);
- return -EIO;
- }
-
return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT,
port->adapter, port, NULL, id, 0);
}
@@ -418,9 +490,6 @@ static void _zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,

zfcp_erp_lun_block(sdev, clear);

- if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
- return;
-
zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_LUN, adapter,
zfcp_sdev->port, sdev, id, act_status);
}
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index e5eed8aac0ce..65d16747c301 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -52,10 +52,15 @@ extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
extern void zfcp_dbf_scsi(char *, int, struct scsi_cmnd *,
struct zfcp_fsf_req *);
+extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
+ unsigned int scsi_id, int ret);

/* zfcp_erp.c */
extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
+extern void zfcp_erp_port_forced_no_port_dbf(char *id,
+ struct zfcp_adapter *adapter,
+ u64 port_name, u32 port_id);
extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 22f9562f415c..0b6f51424745 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -181,6 +181,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
if (abrt_req)
break;

+ zfcp_dbf_scsi_abort("abrt_wt", scpnt, NULL);
zfcp_erp_wait(adapter);
ret = fc_block_scsi_eh(scpnt);
if (ret) {
@@ -277,6 +278,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags)
if (fsf_req)
break;

+ zfcp_dbf_scsi_devreset("wait", scpnt, tm_flags, NULL);
zfcp_erp_wait(adapter);
ret = fc_block_scsi_eh(scpnt);
if (ret) {
@@ -323,15 +325,16 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
{
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
- int ret;
+ int ret = SUCCESS, fc_ret;

zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
- ret = fc_block_scsi_eh(scpnt);
- if (ret)
- return ret;
+ fc_ret = fc_block_scsi_eh(scpnt);
+ if (fc_ret)
+ ret = fc_ret;

- return SUCCESS;
+ zfcp_dbf_scsi_eh("schrh_r", adapter, ~0, ret);
+ return ret;
}

struct scsi_transport_template *zfcp_scsi_transport_template;
@@ -602,6 +605,11 @@ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
if (port) {
zfcp_erp_port_forced_reopen(port, 0, "sctrpi1");
put_device(&port->dev);
+ } else {
+ zfcp_erp_port_forced_no_port_dbf(
+ "sctrpin", adapter,
+ rport->port_name /* zfcp_scsi_rport_register */,
+ rport->port_id /* zfcp_scsi_rport_register */);
}
}

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 3a9eca163db8..b92f86acb8bb 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -8869,7 +8869,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h)
kfree(options);
}

-static void hpsa_shutdown(struct pci_dev *pdev)
+static void __hpsa_shutdown(struct pci_dev *pdev)
{
struct ctlr_info *h;

@@ -8884,6 +8884,12 @@ static void hpsa_shutdown(struct pci_dev *pdev)
hpsa_disable_interrupt_mode(h); /* pci_init 2 */
}

+static void hpsa_shutdown(struct pci_dev *pdev)
+{
+ __hpsa_shutdown(pdev);
+ pci_disable_device(pdev);
+}
+
static void hpsa_free_device_info(struct ctlr_info *h)
{
int i;
@@ -8927,7 +8933,7 @@ static void hpsa_remove_one(struct pci_dev *pdev)
scsi_remove_host(h->scsi_host); /* init_one 8 */
/* includes hpsa_free_irqs - init_one 4 */
/* includes hpsa_disable_interrupt_mode - pci_init 2 */
- hpsa_shutdown(pdev);
+ __hpsa_shutdown(pdev);

hpsa_free_device_info(h); /* scan */

diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 9e914f9c3ffb..05abe5aaab7f 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3915,7 +3915,6 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
if (memcmp(rp->port_name, fcport->port_name, WWN_SIZE))
continue;
fcport->scan_state = QLA_FCPORT_FOUND;
- fcport->d_id.b24 = rp->id.b24;
found = true;
/*
* If device was not a fabric device before.
@@ -3923,7 +3922,10 @@ void qla24xx_async_gnnft_done(scsi_qla_host_t *vha, srb_t *sp)
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
qla2x00_clear_loop_id(fcport);
fcport->flags |= FCF_FABRIC_DEVICE;
+ } else if (fcport->d_id.b24 != rp->id.b24) {
+ qlt_schedule_sess_for_deletion(fcport);
}
+ fcport->d_id.b24 = rp->id.b24;
break;
}

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 8f55dd44adae..636960ad029a 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5037,7 +5037,8 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
return;

if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
- fcport->fp_speed > ha->link_data_rate)
+ fcport->fp_speed > ha->link_data_rate ||
+ !ha->flags.gpsc_supported)
return;

rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index a3dc83f9444d..68560a097ae1 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2494,8 +2494,12 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
ox_id = le16_to_cpu(sts24->ox_id);
par_sense_len = sizeof(sts24->data);
/* Valid values of the retry delay timer are 0x1-0xffef */
- if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1)
- retry_delay = sts24->retry_delay;
+ if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) {
+ retry_delay = sts24->retry_delay & 0x3fff;
+ ql_dbg(ql_dbg_io, sp->vha, 0x3033,
+ "%s: scope=%#x retry_delay=%#x\n", __func__,
+ sts24->retry_delay >> 14, retry_delay);
+ }
} else {
if (scsi_status & SS_SENSE_LEN_VALID)
sense_len = le16_to_cpu(sts->req_sense_length);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 025dc2d3f3de..0266c4d07bc9 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1230,7 +1230,6 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess)
void qlt_schedule_sess_for_deletion(struct fc_port *sess)
{
struct qla_tgt *tgt = sess->tgt;
- struct qla_hw_data *ha = sess->vha->hw;
unsigned long flags;

if (sess->disc_state == DSC_DELETE_PEND)
@@ -1247,16 +1246,16 @@ void qlt_schedule_sess_for_deletion(struct fc_port *sess)
return;
}

- spin_lock_irqsave(&ha->tgt.sess_lock, flags);
if (sess->deleted == QLA_SESS_DELETED)
sess->logout_on_delete = 0;

+ spin_lock_irqsave(&sess->vha->work_lock, flags);
if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ spin_unlock_irqrestore(&sess->vha->work_lock, flags);
return;
}
sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
- spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ spin_unlock_irqrestore(&sess->vha->work_lock, flags);

sess->disc_state = DSC_DELETE_PEND;

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 656c98e116a9..e086bb63da46 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5506,9 +5506,9 @@ static void __exit scsi_debug_exit(void)
int k = sdebug_add_host;

stop_all_queued();
- free_all_queued();
for (; k; k--)
sdebug_remove_adapter();
+ free_all_queued();
driver_unregister(&sdebug_driverfs_driver);
bus_unregister(&pseudo_lld_bus);
root_device_unregister(pseudo_primary);
diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
index 53efc386b1ad..df7f30a425c6 100644
--- a/drivers/soc/rockchip/pm_domains.c
+++ b/drivers/soc/rockchip/pm_domains.c
@@ -255,7 +255,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd,
return;
else if (pd->info->pwr_w_mask)
regmap_write(pmu->regmap, pmu->info->pwr_offset,
- on ? pd->info->pwr_mask :
+ on ? pd->info->pwr_w_mask :
(pd->info->pwr_mask | pd->info->pwr_w_mask));
else
regmap_update_bits(pmu->regmap, pmu->info->pwr_offset,
diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c
index a4d6a0e2e993..23ad4f9f2143 100644
--- a/drivers/thermal/broadcom/bcm2835_thermal.c
+++ b/drivers/thermal/broadcom/bcm2835_thermal.c
@@ -213,8 +213,8 @@ static int bcm2835_thermal_probe(struct platform_device *pdev)
rate = clk_get_rate(data->clk);
if ((rate < 1920000) || (rate > 5000000))
dev_warn(&pdev->dev,
- "Clock %pCn running at %pCr Hz is outside of the recommended range: 1.92 to 5MHz\n",
- data->clk, data->clk);
+ "Clock %pCn running at %lu Hz is outside of the recommended range: 1.92 to 5MHz\n",
+ data->clk, rate);

/* register of thermal sensor and get info from DT */
tz = thermal_zone_of_sensor_register(&pdev->dev, 0, data,
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index a4f82ec665fe..2051a5309851 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2890,16 +2890,15 @@ static void serial_console_write(struct console *co, const char *s,
unsigned long flags;
int locked = 1;

- local_irq_save(flags);
#if defined(SUPPORT_SYSRQ)
if (port->sysrq)
locked = 0;
else
#endif
if (oops_in_progress)
- locked = spin_trylock(&port->lock);
+ locked = spin_trylock_irqsave(&port->lock, flags);
else
- spin_lock(&port->lock);
+ spin_lock_irqsave(&port->lock, flags);

/* first save SCSCR then disable interrupts, keep clock source */
ctrl = serial_port_in(port, SCSCR);
@@ -2919,8 +2918,7 @@ static void serial_console_write(struct console *co, const char *s,
serial_port_out(port, SCSCR, ctrl);

if (locked)
- spin_unlock(&port->lock);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&port->lock, flags);
}

static int serial_console_setup(struct console *co, char *options)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index aa9968d90a48..e3bf65e213cd 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4551,7 +4551,9 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
* reset. But only on the first attempt,
* lest we get into a time out/reset loop
*/
- if (r == 0 || (r == -ETIMEDOUT && retries == 0))
+ if (r == 0 || (r == -ETIMEDOUT &&
+ retries == 0 &&
+ udev->speed > USB_SPEED_FULL))
break;
}
udev->descriptor.bMaxPacketSize0 =
diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c
index 734a9158946b..e55304d5cf07 100644
--- a/drivers/video/backlight/as3711_bl.c
+++ b/drivers/video/backlight/as3711_bl.c
@@ -262,10 +262,10 @@ static int as3711_bl_register(struct platform_device *pdev,
static int as3711_backlight_parse_dt(struct device *dev)
{
struct as3711_bl_pdata *pdata = dev_get_platdata(dev);
- struct device_node *bl =
- of_find_node_by_name(dev->parent->of_node, "backlight"), *fb;
+ struct device_node *bl, *fb;
int ret;

+ bl = of_get_child_by_name(dev->parent->of_node, "backlight");
if (!bl) {
dev_dbg(dev, "backlight node not found\n");
return -ENODEV;
@@ -279,7 +279,7 @@ static int as3711_backlight_parse_dt(struct device *dev)
if (pdata->su1_max_uA <= 0)
ret = -EINVAL;
if (ret < 0)
- return ret;
+ goto err_put_bl;
}

fb = of_parse_phandle(bl, "su2-dev", 0);
@@ -292,7 +292,7 @@ static int as3711_backlight_parse_dt(struct device *dev)
if (pdata->su2_max_uA <= 0)
ret = -EINVAL;
if (ret < 0)
- return ret;
+ goto err_put_bl;

if (of_find_property(bl, "su2-feedback-voltage", NULL)) {
pdata->su2_feedback = AS3711_SU2_VOLTAGE;
@@ -314,8 +314,10 @@ static int as3711_backlight_parse_dt(struct device *dev)
pdata->su2_feedback = AS3711_SU2_CURR_AUTO;
count++;
}
- if (count != 1)
- return -EINVAL;
+ if (count != 1) {
+ ret = -EINVAL;
+ goto err_put_bl;
+ }

count = 0;
if (of_find_property(bl, "su2-fbprot-lx-sd4", NULL)) {
@@ -334,8 +336,10 @@ static int as3711_backlight_parse_dt(struct device *dev)
pdata->su2_fbprot = AS3711_SU2_GPIO4;
count++;
}
- if (count != 1)
- return -EINVAL;
+ if (count != 1) {
+ ret = -EINVAL;
+ goto err_put_bl;
+ }

count = 0;
if (of_find_property(bl, "su2-auto-curr1", NULL)) {
@@ -355,11 +359,20 @@ static int as3711_backlight_parse_dt(struct device *dev)
* At least one su2-auto-curr* must be specified iff
* AS3711_SU2_CURR_AUTO is used
*/
- if (!count ^ (pdata->su2_feedback != AS3711_SU2_CURR_AUTO))
- return -EINVAL;
+ if (!count ^ (pdata->su2_feedback != AS3711_SU2_CURR_AUTO)) {
+ ret = -EINVAL;
+ goto err_put_bl;
+ }
}

+ of_node_put(bl);
+
return 0;
+
+err_put_bl:
+ of_node_put(bl);
+
+ return ret;
}

static int as3711_backlight_probe(struct platform_device *pdev)
diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
index 7b738d60ecc2..f3aa6088f1d9 100644
--- a/drivers/video/backlight/max8925_bl.c
+++ b/drivers/video/backlight/max8925_bl.c
@@ -116,7 +116,7 @@ static void max8925_backlight_dt_init(struct platform_device *pdev)
if (!pdata)
return;

- np = of_find_node_by_name(nproot, "backlight");
+ np = of_get_child_by_name(nproot, "backlight");
if (!np) {
dev_err(&pdev->dev, "failed to find backlight node\n");
return;
@@ -125,6 +125,8 @@ static void max8925_backlight_dt_init(struct platform_device *pdev)
if (!of_property_read_u32(np, "maxim,max8925-dual-string", &val))
pdata->dual_string = val;

+ of_node_put(np);
+
pdev->dev.platform_data = pdata;
}

diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
index 380917c86276..762e3feed097 100644
--- a/drivers/video/backlight/tps65217_bl.c
+++ b/drivers/video/backlight/tps65217_bl.c
@@ -184,11 +184,11 @@ static struct tps65217_bl_pdata *
tps65217_bl_parse_dt(struct platform_device *pdev)
{
struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
- struct device_node *node = of_node_get(tps->dev->of_node);
+ struct device_node *node;
struct tps65217_bl_pdata *pdata, *err;
u32 val;

- node = of_find_node_by_name(node, "backlight");
+ node = of_get_child_by_name(tps->dev->of_node, "backlight");
if (!node)
return ERR_PTR(-ENODEV);

diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 73676eb0244a..c592ca513115 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1044,7 +1044,8 @@ static int uvesafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
info->cmap.len || cmap->start < info->cmap.start)
return -EINVAL;

- entries = kmalloc(sizeof(*entries) * cmap->len, GFP_KERNEL);
+ entries = kmalloc_array(cmap->len, sizeof(*entries),
+ GFP_KERNEL);
if (!entries)
return -ENOMEM;

diff --git a/drivers/virt/vboxguest/vboxguest_linux.c b/drivers/virt/vboxguest/vboxguest_linux.c
index 398d22693234..6e2a9619192d 100644
--- a/drivers/virt/vboxguest/vboxguest_linux.c
+++ b/drivers/virt/vboxguest/vboxguest_linux.c
@@ -121,7 +121,9 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req,
if (!buf)
return -ENOMEM;

- if (copy_from_user(buf, (void *)arg, hdr.size_in)) {
+ *((struct vbg_ioctl_hdr *)buf) = hdr;
+ if (copy_from_user(buf + sizeof(hdr), (void *)arg + sizeof(hdr),
+ hdr.size_in - sizeof(hdr))) {
ret = -EFAULT;
goto out;
}
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 80a778b02f28..caef0e0fd817 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -751,7 +751,7 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)

/* slave modules need to be loaded in a context with unlocked mutex */
mutex_unlock(&dev->mutex);
- request_module("w1-family-0x%02x", rn->family);
+ request_module("w1-family-0x%02X", rn->family);
mutex_lock(&dev->mutex);

spin_lock(&w1_flock);
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 762378f1811c..08e4af04d6f2 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -628,8 +628,6 @@ static void __unbind_from_irq(unsigned int irq)
xen_irq_info_cleanup(info);
}

- BUG_ON(info_for_irq(irq)->type == IRQT_UNBOUND);
-
xen_free_irq(irq);
}

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 775a0f2d0b45..b54a55497216 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9475,6 +9475,7 @@ static int btrfs_rename_exchange(struct inode *old_dir,
u64 new_idx = 0;
u64 root_objectid;
int ret;
+ int ret2;
bool root_log_pinned = false;
bool dest_log_pinned = false;

@@ -9671,7 +9672,8 @@ static int btrfs_rename_exchange(struct inode *old_dir,
dest_log_pinned = false;
}
}
- ret = btrfs_end_transaction(trans);
+ ret2 = btrfs_end_transaction(trans);
+ ret = ret ? ret : ret2;
out_notrans:
if (new_ino == BTRFS_FIRST_FREE_OBJECTID)
up_read(&fs_info->subvol_sem);
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index bf779461df13..2e23b953d304 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -100,8 +100,10 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
* readonly and make sure do not write checkpoint with non-uptodate
* meta page.
*/
- if (unlikely(!PageUptodate(page)))
+ if (unlikely(!PageUptodate(page))) {
+ memset(page_address(page), 0, PAGE_SIZE);
f2fs_stop_checkpoint(sbi, false);
+ }
out:
return page;
}
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index e0d9e8f27ed2..f8ef04c9f69d 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -320,10 +320,10 @@ struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
make_now:
if (ino == F2FS_NODE_INO(sbi)) {
inode->i_mapping->a_ops = &f2fs_node_aops;
- mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);
+ mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
} else if (ino == F2FS_META_INO(sbi)) {
inode->i_mapping->a_ops = &f2fs_meta_aops;
- mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);
+ mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
} else if (S_ISREG(inode->i_mode)) {
inode->i_op = &f2fs_file_inode_operations;
inode->i_fop = &f2fs_file_operations;
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 5854cc4e1d67..be8d1b16b8d1 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2020,6 +2020,7 @@ static void write_current_sum_page(struct f2fs_sb_info *sbi,
struct f2fs_summary_block *dst;

dst = (struct f2fs_summary_block *)page_address(page);
+ memset(dst, 0, PAGE_SIZE);

mutex_lock(&curseg->curseg_mutex);

@@ -3116,6 +3117,7 @@ static void write_compacted_summaries(struct f2fs_sb_info *sbi, block_t blkaddr)

page = grab_meta_page(sbi, blkaddr++);
kaddr = (unsigned char *)page_address(page);
+ memset(kaddr, 0, PAGE_SIZE);

/* Step 1: write nat cache */
seg_i = CURSEG_I(sbi, CURSEG_HOT_DATA);
@@ -3140,6 +3142,7 @@ static void write_compacted_summaries(struct f2fs_sb_info *sbi, block_t blkaddr)
if (!page) {
page = grab_meta_page(sbi, blkaddr++);
kaddr = (unsigned char *)page_address(page);
+ memset(kaddr, 0, PAGE_SIZE);
written_size = 0;
}
summary = (struct f2fs_summary *)(kaddr + written_size);
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 3325d0769723..492ad0c86fa9 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -375,6 +375,7 @@ static inline void seg_info_to_sit_page(struct f2fs_sb_info *sbi,
int i;

raw_sit = (struct f2fs_sit_block *)page_address(page);
+ memset(raw_sit, 0, PAGE_SIZE);
for (i = 0; i < end - start; i++) {
rs = &raw_sit->entries[i];
se = get_seg_entry(sbi, start + i);
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index b9ea99c5b5b3..5be0339dcceb 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -211,10 +211,11 @@ static struct dentry *fuse_ctl_add_dentry(struct dentry *parent,
if (!dentry)
return NULL;

- fc->ctl_dentry[fc->ctl_ndents++] = dentry;
inode = new_inode(fuse_control_sb);
- if (!inode)
+ if (!inode) {
+ dput(dentry);
return NULL;
+ }

inode->i_ino = get_next_ino();
inode->i_mode = mode;
@@ -228,6 +229,9 @@ static struct dentry *fuse_ctl_add_dentry(struct dentry *parent,
set_nlink(inode, nlink);
inode->i_private = fc;
d_add(dentry, inode);
+
+ fc->ctl_dentry[fc->ctl_ndents++] = dentry;
+
return dentry;
}

@@ -284,7 +288,10 @@ void fuse_ctl_remove_conn(struct fuse_conn *fc)
for (i = fc->ctl_ndents - 1; i >= 0; i--) {
struct dentry *dentry = fc->ctl_dentry[i];
d_inode(dentry)->i_private = NULL;
- d_drop(dentry);
+ if (!i) {
+ /* Get rid of submounts: */
+ d_invalidate(dentry);
+ }
dput(dentry);
}
drop_nlink(d_inode(fuse_control_sb->s_root));
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 5d06384c2cae..ee6c9baf8158 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -381,8 +381,7 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
if (!fc->blocked && waitqueue_active(&fc->blocked_waitq))
wake_up(&fc->blocked_waitq);

- if (fc->num_background == fc->congestion_threshold &&
- fc->connected && fc->sb) {
+ if (fc->num_background == fc->congestion_threshold && fc->sb) {
clear_bdi_congested(fc->sb->s_bdi, BLK_RW_SYNC);
clear_bdi_congested(fc->sb->s_bdi, BLK_RW_ASYNC);
}
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 24967382a7b1..7a980b4462d9 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1629,8 +1629,19 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
return err;

if (attr->ia_valid & ATTR_OPEN) {
- if (fc->atomic_o_trunc)
+ /* This is coming from open(..., ... | O_TRUNC); */
+ WARN_ON(!(attr->ia_valid & ATTR_SIZE));
+ WARN_ON(attr->ia_size != 0);
+ if (fc->atomic_o_trunc) {
+ /*
+ * No need to send request to userspace, since actual
+ * truncation has already been done by OPEN. But still
+ * need to truncate page cache.
+ */
+ i_size_write(inode, 0);
+ truncate_pagecache(inode, 0);
return 0;
+ }
file = NULL;
}

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index ef309958e060..9b37cf8142b5 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1179,6 +1179,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
fuse_dev_free(fud);
err_put_conn:
fuse_conn_put(fc);
+ sb->s_fs_info = NULL;
err_fput:
fput(file);
err:
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index a50d7813e3ea..180b4b616725 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -420,11 +420,8 @@ validate_seqid(const struct nfs4_slot_table *tbl, const struct nfs4_slot *slot,
return htonl(NFS4ERR_SEQ_FALSE_RETRY);
}

- /* Wraparound */
- if (unlikely(slot->seq_nr == 0xFFFFFFFFU)) {
- if (args->csa_sequenceid == 1)
- return htonl(NFS4_OK);
- } else if (likely(args->csa_sequenceid == slot->seq_nr + 1))
+ /* Note: wraparound relies on seq_nr being of type u32 */
+ if (likely(args->csa_sequenceid == slot->seq_nr + 1))
return htonl(NFS4_OK);

/* Misordered request */
diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index 22dc30a679a0..b6f9d84ba19b 100644
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -343,7 +343,7 @@ static ssize_t nfs_idmap_lookup_name(__u32 id, const char *type, char *buf,
int id_len;
ssize_t ret;

- id_len = snprintf(id_str, sizeof(id_str), "%u", id);
+ id_len = nfs_map_numeric_to_string(id, id_str, sizeof(id_str));
ret = nfs_idmap_get_key(id_str, id_len, type, buf, buflen, idmap);
if (ret < 0)
return -EINVAL;
@@ -627,7 +627,8 @@ static int nfs_idmap_read_and_verify_message(struct idmap_msg *im,
if (strcmp(upcall->im_name, im->im_name) != 0)
break;
/* Note: here we store the NUL terminator too */
- len = sprintf(id_str, "%d", im->im_id) + 1;
+ len = 1 + nfs_map_numeric_to_string(im->im_id, id_str,
+ sizeof(id_str));
ret = nfs_idmap_instantiate(key, authkey, id_str, len);
break;
case IDMAP_CONV_IDTONAME:
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b71757e85066..409acdda70dd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -751,7 +751,7 @@ static int nfs41_sequence_process(struct rpc_task *task,
* The slot id we used was probably retired. Try again
* using a different slot id.
*/
- if (slot->seq_nr < slot->table->target_highest_slotid)
+ if (slot->slot_nr < slot->table->target_highest_slotid)
goto session_recover;
goto retry_nowait;
case -NFS4ERR_SEQ_MISORDERED:
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 1d048dd95464..cfe535c286c3 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3651,7 +3651,8 @@ nfsd4_encode_readdir(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4
nfserr = nfserr_resource;
goto err_no_verf;
}
- maxcount = min_t(u32, readdir->rd_maxcount, INT_MAX);
+ maxcount = svc_max_payload(resp->rqstp);
+ maxcount = min_t(u32, readdir->rd_maxcount, maxcount);
/*
* Note the rfc defines rd_maxcount as the size of the
* READDIR4resok structure, which includes the verifier above
@@ -3665,7 +3666,7 @@ nfsd4_encode_readdir(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4

/* RFC 3530 14.2.24 allows us to ignore dircount when it's 0: */
if (!readdir->rd_dircount)
- readdir->rd_dircount = INT_MAX;
+ readdir->rd_dircount = svc_max_payload(resp->rqstp);

readdir->xdr = xdr;
readdir->rd_maxcount = maxcount;
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 04c4ec6483e5..8ae1cd8611cc 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1283,10 +1283,11 @@ static int truncate_data_node(const struct ubifs_info *c, const struct inode *in
int *new_len)
{
void *buf;
- int err, dlen, compr_type, out_len, old_dlen;
+ int err, compr_type;
+ u32 dlen, out_len, old_dlen;

out_len = le32_to_cpu(dn->size);
- buf = kmalloc(out_len * WORST_COMPR_FACTOR, GFP_NOFS);
+ buf = kmalloc_array(out_len, WORST_COMPR_FACTOR, GFP_NOFS);
if (!buf)
return -ENOMEM;

diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 0a98a2369738..3835f983cc99 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -152,6 +152,9 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
sizeof(struct fileIdentDesc));
}
}
+ /* Got last entry outside of dir size - fs is corrupted! */
+ if (*nf_pos > dir->i_size)
+ return NULL;
return fi;
}

diff --git a/include/dt-bindings/clock/aspeed-clock.h b/include/dt-bindings/clock/aspeed-clock.h
index d3558d897a4d..8d69b9134bef 100644
--- a/include/dt-bindings/clock/aspeed-clock.h
+++ b/include/dt-bindings/clock/aspeed-clock.h
@@ -45,7 +45,7 @@
#define ASPEED_RESET_JTAG_MASTER 3
#define ASPEED_RESET_MIC 4
#define ASPEED_RESET_PWM 5
-#define ASPEED_RESET_PCIVGA 6
+#define ASPEED_RESET_PECI 6
#define ASPEED_RESET_I2C 7
#define ASPEED_RESET_AHB 8

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5c4eee043191..7d047465dfc2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1124,8 +1124,8 @@ static inline unsigned int blk_max_size_offset(struct request_queue *q,
if (!q->limits.chunk_sectors)
return q->limits.max_sectors;

- return q->limits.chunk_sectors -
- (offset & (q->limits.chunk_sectors - 1));
+ return min(q->limits.max_sectors, (unsigned int)(q->limits.chunk_sectors -
+ (offset & (q->limits.chunk_sectors - 1))));
}

static inline unsigned int blk_rq_get_max_sectors(struct request *rq,
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index ab4711c63601..42506e4d1f53 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -21,7 +21,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)

#define __branch_check__(x, expect, is_constant) ({ \
- int ______r; \
+ long ______r; \
static struct ftrace_likely_data \
__attribute__((__aligned__(4))) \
__attribute__((section("_ftrace_annotated_branch"))) \
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 31ca3e28b0eb..a6ddefc60517 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -38,6 +38,7 @@ struct memory_block {

int arch_get_memory_phys_device(unsigned long start_pfn);
unsigned long memory_block_size_bytes(void);
+int set_memory_block_size_order(unsigned int order);

/* These states are exposed to userspace as text strings in sysfs */
#define MEM_ONLINE (1<<0) /* exposed to userspace */
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 3773e26c08c1..bb93a6c693e3 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -156,8 +156,12 @@ struct kmem_cache {

#ifdef CONFIG_SYSFS
#define SLAB_SUPPORTS_SYSFS
+void sysfs_slab_unlink(struct kmem_cache *);
void sysfs_slab_release(struct kmem_cache *);
#else
+static inline void sysfs_slab_unlink(struct kmem_cache *s)
+{
+}
static inline void sysfs_slab_release(struct kmem_cache *s)
{
}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 9fc8a825aa28..ba015efb5312 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -3310,11 +3310,14 @@ int ib_process_cq_direct(struct ib_cq *cq, int budget);
*
* Users can examine the cq structure to determine the actual CQ size.
*/
-struct ib_cq *ib_create_cq(struct ib_device *device,
- ib_comp_handler comp_handler,
- void (*event_handler)(struct ib_event *, void *),
- void *cq_context,
- const struct ib_cq_init_attr *cq_attr);
+struct ib_cq *__ib_create_cq(struct ib_device *device,
+ ib_comp_handler comp_handler,
+ void (*event_handler)(struct ib_event *, void *),
+ void *cq_context,
+ const struct ib_cq_init_attr *cq_attr,
+ const char *caller);
+#define ib_create_cq(device, cmp_hndlr, evt_hndlr, cq_ctxt, cq_attr) \
+ __ib_create_cq((device), (cmp_hndlr), (evt_hndlr), (cq_ctxt), (cq_attr), KBUILD_MODNAME)

/**
* ib_resize_cq - Modifies the capacity of the CQ.
@@ -3734,6 +3737,20 @@ static inline int ib_check_mr_access(int flags)
return 0;
}

+static inline bool ib_access_writable(int access_flags)
+{
+ /*
+ * We have writable memory backing the MR if any of the following
+ * access flags are set. "Local write" and "remote write" obviously
+ * require write access. "Remote atomic" can do things like fetch and
+ * add, which will modify memory, and "MW bind" can change permissions
+ * by binding a window.
+ */
+ return access_flags &
+ (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE |
+ IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND);
+}
+
/**
* ib_check_mr_status: lightweight check of MR status.
* This routine may provide status checks on a selected
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index 3f4c187e435d..eec495e68823 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -402,7 +402,7 @@ struct rvt_dev_info {
spinlock_t pending_lock; /* protect pending mmap list */

/* CQ */
- struct kthread_worker *worker; /* per device cq worker */
+ struct kthread_worker __rcu *worker; /* per device cq worker */
u32 n_cqs_allocated; /* number of CQs allocated for device */
spinlock_t n_cqs_lock; /* protect count of in use cqs */

diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index bc1e507be9ff..776308d2fa9e 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -181,6 +181,7 @@ void down_read_non_owner(struct rw_semaphore *sem)
might_sleep();

__down_read(sem);
+ rwsem_set_reader_owned(sem);
}

EXPORT_SYMBOL(down_read_non_owner);
diff --git a/kernel/printk/printk_safe.c b/kernel/printk/printk_safe.c
index 3e3c2004bb23..449d67edfa4b 100644
--- a/kernel/printk/printk_safe.c
+++ b/kernel/printk/printk_safe.c
@@ -82,6 +82,7 @@ static __printf(2, 0) int printk_safe_log_store(struct printk_safe_seq_buf *s,
{
int add;
size_t len;
+ va_list ap;

again:
len = atomic_read(&s->len);
@@ -100,7 +101,9 @@ static __printf(2, 0) int printk_safe_log_store(struct printk_safe_seq_buf *s,
if (!len)
smp_rmb();

- add = vscnprintf(s->buffer + len, sizeof(s->buffer) - len, fmt, args);
+ va_copy(ap, args);
+ add = vscnprintf(s->buffer + len, sizeof(s->buffer) - len, fmt, ap);
+ va_end(ap);
if (!add)
return 0;

diff --git a/kernel/softirq.c b/kernel/softirq.c
index 177de3640c78..8a040bcaa033 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -139,9 +139,13 @@ static void __local_bh_enable(unsigned int cnt)
{
lockdep_assert_irqs_disabled();

+ if (preempt_count() == cnt)
+ trace_preempt_on(CALLER_ADDR0, get_lock_parent_ip());
+
if (softirq_count() == (cnt & SOFTIRQ_MASK))
trace_softirqs_on(_RET_IP_);
- preempt_count_sub(cnt);
+
+ __preempt_count_sub(cnt);
}

/*
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 3044d48ebe56..e8127f4e9e66 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -28,6 +28,7 @@
*/

#include <linux/export.h>
+#include <linux/kernel.h>
#include <linux/timex.h>
#include <linux/capability.h>
#include <linux/timekeeper_internal.h>
@@ -314,9 +315,10 @@ unsigned int jiffies_to_msecs(const unsigned long j)
return (j + (HZ / MSEC_PER_SEC) - 1)/(HZ / MSEC_PER_SEC);
#else
# if BITS_PER_LONG == 32
- return (HZ_TO_MSEC_MUL32 * j) >> HZ_TO_MSEC_SHR32;
+ return (HZ_TO_MSEC_MUL32 * j + (1ULL << HZ_TO_MSEC_SHR32) - 1) >>
+ HZ_TO_MSEC_SHR32;
# else
- return (j * HZ_TO_MSEC_NUM) / HZ_TO_MSEC_DEN;
+ return DIV_ROUND_UP(j * HZ_TO_MSEC_NUM, HZ_TO_MSEC_DEN);
# endif
#endif
}
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 7d306b74230f..c44f74daefbf 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -78,7 +78,8 @@ static const char * ops[] = { OPS };
C(TOO_MANY_PREDS, "Too many terms in predicate expression"), \
C(INVALID_FILTER, "Meaningless filter expression"), \
C(IP_FIELD_ONLY, "Only 'ip' field is supported for function trace"), \
- C(INVALID_VALUE, "Invalid value (did you forget quotes)?"),
+ C(INVALID_VALUE, "Invalid value (did you forget quotes)?"), \
+ C(NO_FILTER, "No filter found"),

#undef C
#define C(a, b) FILT_ERR_##a
@@ -550,6 +551,13 @@ predicate_parse(const char *str, int nr_parens, int nr_preds,
goto out_free;
}

+ if (!N) {
+ /* No program? */
+ ret = -EINVAL;
+ parse_error(pe, FILT_ERR_NO_FILTER, ptr - str);
+ goto out_free;
+ }
+
prog[N].pred = NULL; /* #13 */
prog[N].target = 1; /* TRUE */
prog[N+1].pred = NULL;
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 3d35d062970d..c253c1b46c6b 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -6,6 +6,7 @@ if HAVE_ARCH_KASAN
config KASAN
bool "KASan: runtime memory debugger"
depends on SLUB || (SLAB && !DEBUG_SLAB)
+ select SLUB_DEBUG if SLUB
select CONSTRUCTORS
select STACKDEPOT
help
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 23920c5ff728..91320e5bfd5b 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1456,9 +1456,6 @@ char *clock(char *buf, char *end, struct clk *clk, struct printf_spec spec,
return string(buf, end, NULL, spec);

switch (fmt[1]) {
- case 'r':
- return number(buf, end, clk_get_rate(clk), spec);
-
case 'n':
default:
#ifdef CONFIG_COMMON_CLK
diff --git a/mm/gup.c b/mm/gup.c
index 541904a7c60f..3d8472d48a0b 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1459,32 +1459,48 @@ static int __gup_device_huge(unsigned long pfn, unsigned long addr,
return 1;
}

-static int __gup_device_huge_pmd(pmd_t pmd, unsigned long addr,
+static int __gup_device_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr,
unsigned long end, struct page **pages, int *nr)
{
unsigned long fault_pfn;
+ int nr_start = *nr;
+
+ fault_pfn = pmd_pfn(orig) + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
+ if (!__gup_device_huge(fault_pfn, addr, end, pages, nr))
+ return 0;

- fault_pfn = pmd_pfn(pmd) + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
- return __gup_device_huge(fault_pfn, addr, end, pages, nr);
+ if (unlikely(pmd_val(orig) != pmd_val(*pmdp))) {
+ undo_dev_pagemap(nr, nr_start, pages);
+ return 0;
+ }
+ return 1;
}

-static int __gup_device_huge_pud(pud_t pud, unsigned long addr,
+static int __gup_device_huge_pud(pud_t orig, pud_t *pudp, unsigned long addr,
unsigned long end, struct page **pages, int *nr)
{
unsigned long fault_pfn;
+ int nr_start = *nr;
+
+ fault_pfn = pud_pfn(orig) + ((addr & ~PUD_MASK) >> PAGE_SHIFT);
+ if (!__gup_device_huge(fault_pfn, addr, end, pages, nr))
+ return 0;

- fault_pfn = pud_pfn(pud) + ((addr & ~PUD_MASK) >> PAGE_SHIFT);
- return __gup_device_huge(fault_pfn, addr, end, pages, nr);
+ if (unlikely(pud_val(orig) != pud_val(*pudp))) {
+ undo_dev_pagemap(nr, nr_start, pages);
+ return 0;
+ }
+ return 1;
}
#else
-static int __gup_device_huge_pmd(pmd_t pmd, unsigned long addr,
+static int __gup_device_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr,
unsigned long end, struct page **pages, int *nr)
{
BUILD_BUG();
return 0;
}

-static int __gup_device_huge_pud(pud_t pud, unsigned long addr,
+static int __gup_device_huge_pud(pud_t pud, pud_t *pudp, unsigned long addr,
unsigned long end, struct page **pages, int *nr)
{
BUILD_BUG();
@@ -1502,7 +1518,7 @@ static int gup_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr,
return 0;

if (pmd_devmap(orig))
- return __gup_device_huge_pmd(orig, addr, end, pages, nr);
+ return __gup_device_huge_pmd(orig, pmdp, addr, end, pages, nr);

refs = 0;
page = pmd_page(orig) + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
@@ -1540,7 +1556,7 @@ static int gup_huge_pud(pud_t orig, pud_t *pudp, unsigned long addr,
return 0;

if (pud_devmap(orig))
- return __gup_device_huge_pud(orig, addr, end, pages, nr);
+ return __gup_device_huge_pud(orig, pudp, addr, end, pages, nr);

refs = 0;
page = pud_page(orig) + ((addr & ~PUD_MASK) >> PAGE_SHIFT);
diff --git a/mm/ksm.c b/mm/ksm.c
index e3cbf9a92f3c..e6a9640580fc 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -199,6 +199,8 @@ struct rmap_item {
#define SEQNR_MASK 0x0ff /* low bits of unstable tree seqnr */
#define UNSTABLE_FLAG 0x100 /* is a node of the unstable tree */
#define STABLE_FLAG 0x200 /* is listed from the stable tree */
+#define KSM_FLAG_MASK (SEQNR_MASK|UNSTABLE_FLAG|STABLE_FLAG)
+ /* to mask all the flags */

/* The stable and unstable tree heads */
static struct rb_root one_stable_tree[1] = { RB_ROOT };
@@ -2570,10 +2572,15 @@ void rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc)
anon_vma_lock_read(anon_vma);
anon_vma_interval_tree_foreach(vmac, &anon_vma->rb_root,
0, ULONG_MAX) {
+ unsigned long addr;
+
cond_resched();
vma = vmac->vma;
- if (rmap_item->address < vma->vm_start ||
- rmap_item->address >= vma->vm_end)
+
+ /* Ignore the stable/unstable/sqnr flags */
+ addr = rmap_item->address & ~KSM_FLAG_MASK;
+
+ if (addr < vma->vm_start || addr >= vma->vm_end)
continue;
/*
* Initially we examine only the vma which covers this
@@ -2587,8 +2594,7 @@ void rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc)
if (rwc->invalid_vma && rwc->invalid_vma(vma, rwc->arg))
continue;

- if (!rwc->rmap_one(page, vma,
- rmap_item->address, rwc->arg)) {
+ if (!rwc->rmap_one(page, vma, addr, rwc->arg)) {
anon_vma_unlock_read(anon_vma);
return;
}
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 98dcdc352062..65408ced18f1 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -566,10 +566,14 @@ static int shutdown_cache(struct kmem_cache *s)
list_del(&s->list);

if (s->flags & SLAB_TYPESAFE_BY_RCU) {
+#ifdef SLAB_SUPPORTS_SYSFS
+ sysfs_slab_unlink(s);
+#endif
list_add_tail(&s->list, &slab_caches_to_rcu_destroy);
schedule_work(&slab_caches_to_rcu_destroy_work);
} else {
#ifdef SLAB_SUPPORTS_SYSFS
+ sysfs_slab_unlink(s);
sysfs_slab_release(s);
#else
slab_kmem_cache_release(s);
diff --git a/mm/slub.c b/mm/slub.c
index 44aa7847324a..613c8dc2f409 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5714,7 +5714,6 @@ static void sysfs_slab_remove_workfn(struct work_struct *work)
kset_unregister(s->memcg_kset);
#endif
kobject_uevent(&s->kobj, KOBJ_REMOVE);
- kobject_del(&s->kobj);
out:
kobject_put(&s->kobj);
}
@@ -5799,6 +5798,12 @@ static void sysfs_slab_remove(struct kmem_cache *s)
schedule_work(&s->kobj_remove_work);
}

+void sysfs_slab_unlink(struct kmem_cache *s)
+{
+ if (slab_state >= FULL)
+ kobject_del(&s->kobj);
+}
+
void sysfs_slab_release(struct kmem_cache *s)
{
if (slab_state >= FULL)
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index e8adad33d0bb..8e531ac9bc87 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -230,7 +230,7 @@ rpcrdma_convert_iovs(struct rpcrdma_xprt *r_xprt, struct xdr_buf *xdrbuf,
*/
*ppages = alloc_page(GFP_ATOMIC);
if (!*ppages)
- return -EAGAIN;
+ return -ENOBUFS;
}
seg->mr_page = *ppages;
seg->mr_offset = (char *)page_base;
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 245160373dab..cbf227d12c2b 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -435,22 +435,16 @@ static int sel_release_policy(struct inode *inode, struct file *filp)
static ssize_t sel_read_policy(struct file *filp, char __user *buf,
size_t count, loff_t *ppos)
{
- struct selinux_fs_info *fsi = file_inode(filp)->i_sb->s_fs_info;
struct policy_load_memory *plm = filp->private_data;
int ret;

- mutex_lock(&fsi->mutex);
-
ret = avc_has_perm(&selinux_state,
current_sid(), SECINITSID_SECURITY,
SECCLASS_SECURITY, SECURITY__READ_POLICY, NULL);
if (ret)
- goto out;
+ return ret;

- ret = simple_read_from_buffer(buf, count, ppos, plm->data, plm->len);
-out:
- mutex_unlock(&fsi->mutex);
- return ret;
+ return simple_read_from_buffer(buf, count, ppos, plm->data, plm->len);
}

static int sel_mmap_policy_fault(struct vm_fault *vmf)
@@ -1182,25 +1176,29 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
ret = -EINVAL;
if (index >= fsi->bool_num || strcmp(name,
fsi->bool_pending_names[index]))
- goto out;
+ goto out_unlock;

ret = -ENOMEM;
page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page)
- goto out;
+ goto out_unlock;

cur_enforcing = security_get_bool_value(fsi->state, index);
if (cur_enforcing < 0) {
ret = cur_enforcing;
- goto out;
+ goto out_unlock;
}
length = scnprintf(page, PAGE_SIZE, "%d %d", cur_enforcing,
fsi->bool_pending_values[index]);
- ret = simple_read_from_buffer(buf, count, ppos, page, length);
-out:
mutex_unlock(&fsi->mutex);
+ ret = simple_read_from_buffer(buf, count, ppos, page, length);
+out_free:
free_page((unsigned long)page);
return ret;
+
+out_unlock:
+ mutex_unlock(&fsi->mutex);
+ goto out_free;
}

static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
@@ -1213,6 +1211,17 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
const char *name = filep->f_path.dentry->d_name.name;

+ if (count >= PAGE_SIZE)
+ return -ENOMEM;
+
+ /* No partial writes. */
+ if (*ppos != 0)
+ return -EINVAL;
+
+ page = memdup_user_nul(buf, count);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
mutex_lock(&fsi->mutex);

length = avc_has_perm(&selinux_state,
@@ -1227,22 +1236,6 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
fsi->bool_pending_names[index]))
goto out;

- length = -ENOMEM;
- if (count >= PAGE_SIZE)
- goto out;
-
- /* No partial writes. */
- length = -EINVAL;
- if (*ppos != 0)
- goto out;
-
- page = memdup_user_nul(buf, count);
- if (IS_ERR(page)) {
- length = PTR_ERR(page);
- page = NULL;
- goto out;
- }
-
length = -EINVAL;
if (sscanf(page, "%d", &new_value) != 1)
goto out;
@@ -1274,6 +1267,17 @@ static ssize_t sel_commit_bools_write(struct file *filep,
ssize_t length;
int new_value;

+ if (count >= PAGE_SIZE)
+ return -ENOMEM;
+
+ /* No partial writes. */
+ if (*ppos != 0)
+ return -EINVAL;
+
+ page = memdup_user_nul(buf, count);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
mutex_lock(&fsi->mutex);

length = avc_has_perm(&selinux_state,
@@ -1283,22 +1287,6 @@ static ssize_t sel_commit_bools_write(struct file *filep,
if (length)
goto out;

- length = -ENOMEM;
- if (count >= PAGE_SIZE)
- goto out;
-
- /* No partial writes. */
- length = -EINVAL;
- if (*ppos != 0)
- goto out;
-
- page = memdup_user_nul(buf, count);
- if (IS_ERR(page)) {
- length = PTR_ERR(page);
- page = NULL;
- goto out;
- }
-
length = -EINVAL;
if (sscanf(page, "%d", &new_value) != 1)
goto out;
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 0ddcae495838..e9e73edb4bd8 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1517,7 +1517,7 @@ static int snd_timer_user_next_device(struct snd_timer_id __user *_tid)
} else {
if (id.subdevice < 0)
id.subdevice = 0;
- else
+ else if (id.subdevice < INT_MAX)
id.subdevice++;
}
}
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 5bc3a7468e17..4d26bb010ddf 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2887,8 +2887,9 @@ static int hda_codec_runtime_suspend(struct device *dev)
list_for_each_entry(pcm, &codec->pcm_list_head, list)
snd_pcm_suspend_all(pcm->pcm);
state = hda_call_codec_suspend(codec);
- if (codec_has_clkstop(codec) && codec_has_epss(codec) &&
- (state & AC_PWRST_CLK_STOP_OK))
+ if (codec->link_down_at_suspend ||
+ (codec_has_clkstop(codec) && codec_has_epss(codec) &&
+ (state & AC_PWRST_CLK_STOP_OK)))
snd_hdac_codec_link_down(&codec->core);
snd_hdac_link_power(&codec->core, false);
return 0;
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 681c360f29f9..a8b1b31f161c 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -258,6 +258,7 @@ struct hda_codec {
unsigned int power_save_node:1; /* advanced PM for each widget */
unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
unsigned int force_pin_prefix:1; /* Add location prefix */
+ unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
#ifdef CONFIG_PM
unsigned long power_on_acct;
unsigned long power_off_acct;
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 7d7eb1354eee..ed39a77f9253 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -3741,6 +3741,11 @@ static int patch_atihdmi(struct hda_codec *codec)

spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);

+ /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
+ * the link-down as is. Tell the core to allow it.
+ */
+ codec->link_down_at_suspend = 1;
+
return 0;
}

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 06c2c80a045b..cb9a977bf188 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2542,6 +2542,7 @@ static const struct snd_pci_quirk alc262_fixup_tbl[] = {
SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu Lifebook S7110", ALC262_FIXUP_FSC_S7110),
SND_PCI_QUIRK(0x10cf, 0x142d, "Fujitsu Lifebook E8410", ALC262_FIXUP_BENQ),
SND_PCI_QUIRK(0x10f1, 0x2915, "Tyan Thunder n6650W", ALC262_FIXUP_TYAN),
+ SND_PCI_QUIRK(0x1734, 0x1141, "FSC ESPRIMO U9210", ALC262_FIXUP_FSC_H270),
SND_PCI_QUIRK(0x1734, 0x1147, "FSC Celsius H270", ALC262_FIXUP_FSC_H270),
SND_PCI_QUIRK(0x17aa, 0x384e, "Lenovo 3000", ALC262_FIXUP_LENOVO_3000),
SND_PCI_QUIRK(0x17ff, 0x0560, "Benq ED8", ALC262_FIXUP_BENQ),
@@ -4985,7 +4986,6 @@ static void alc_fixup_tpt440_dock(struct hda_codec *codec,
struct alc_spec *spec = codec->spec;

if (action == HDA_FIXUP_ACT_PRE_PROBE) {
- spec->shutup = alc_no_shutup; /* reduce click noise */
spec->reboot_notify = alc_d3_at_reboot; /* reduce noise */
spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
codec->power_save_node = 0; /* avoid click noises */
@@ -5384,6 +5384,13 @@ static void alc274_fixup_bind_dacs(struct hda_codec *codec,
/* for hda_fixup_thinkpad_acpi() */
#include "thinkpad_helper.c"

+static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ alc_fixup_no_shutup(codec, fix, action); /* reduce click noise */
+ hda_fixup_thinkpad_acpi(codec, fix, action);
+}
+
/* for dell wmi mic mute led */
#include "dell_wmi_helper.c"

@@ -5927,7 +5934,7 @@ static const struct hda_fixup alc269_fixups[] = {
},
[ALC269_FIXUP_THINKPAD_ACPI] = {
.type = HDA_FIXUP_FUNC,
- .v.func = hda_fixup_thinkpad_acpi,
+ .v.func = alc_fixup_thinkpad_acpi,
.chained = true,
.chain_id = ALC269_FIXUP_SKU_IGNORE,
},
@@ -6577,8 +6584,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x312a, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
- SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
+ SND_PCI_QUIRK(0x17aa, 0x3136, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
@@ -6756,6 +6764,12 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
{0x14, 0x90170110},
{0x19, 0x02a11030},
{0x21, 0x02211020}),
+ SND_HDA_PIN_QUIRK(0x10ec0235, 0x17aa, "Lenovo", ALC294_FIXUP_LENOVO_MIC_LOCATION,
+ {0x14, 0x90170110},
+ {0x19, 0x02a11030},
+ {0x1a, 0x02a11040},
+ {0x1b, 0x01014020},
+ {0x21, 0x0221101f}),
SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x12, 0x90a60140},
{0x14, 0x90170110},
diff --git a/sound/soc/cirrus/edb93xx.c b/sound/soc/cirrus/edb93xx.c
index c53bd6f2c2d7..3d011abaa266 100644
--- a/sound/soc/cirrus/edb93xx.c
+++ b/sound/soc/cirrus/edb93xx.c
@@ -67,7 +67,7 @@ static struct snd_soc_dai_link edb93xx_dai = {
.cpu_dai_name = "ep93xx-i2s",
.codec_name = "spi0.0",
.codec_dai_name = "cs4271-hifi",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &edb93xx_ops,
};
diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c
index 934f8aefdd90..0dc3852c4621 100644
--- a/sound/soc/cirrus/ep93xx-i2s.c
+++ b/sound/soc/cirrus/ep93xx-i2s.c
@@ -51,7 +51,9 @@
#define EP93XX_I2S_WRDLEN_24 (1 << 0)
#define EP93XX_I2S_WRDLEN_32 (2 << 0)

-#define EP93XX_I2S_LINCTRLDATA_R_JUST (1 << 2) /* Right justify */
+#define EP93XX_I2S_RXLINCTRLDATA_R_JUST BIT(1) /* Right justify */
+
+#define EP93XX_I2S_TXLINCTRLDATA_R_JUST BIT(2) /* Right justify */

#define EP93XX_I2S_CLKCFG_LRS (1 << 0) /* lrclk polarity */
#define EP93XX_I2S_CLKCFG_CKP (1 << 1) /* Bit clock polarity */
@@ -170,25 +172,25 @@ static int ep93xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(cpu_dai);
- unsigned int clk_cfg, lin_ctrl;
+ unsigned int clk_cfg;
+ unsigned int txlin_ctrl = 0;
+ unsigned int rxlin_ctrl = 0;

clk_cfg = ep93xx_i2s_read_reg(info, EP93XX_I2S_RXCLKCFG);
- lin_ctrl = ep93xx_i2s_read_reg(info, EP93XX_I2S_RXLINCTRLDATA);

switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
clk_cfg |= EP93XX_I2S_CLKCFG_REL;
- lin_ctrl &= ~EP93XX_I2S_LINCTRLDATA_R_JUST;
break;

case SND_SOC_DAIFMT_LEFT_J:
clk_cfg &= ~EP93XX_I2S_CLKCFG_REL;
- lin_ctrl &= ~EP93XX_I2S_LINCTRLDATA_R_JUST;
break;

case SND_SOC_DAIFMT_RIGHT_J:
clk_cfg &= ~EP93XX_I2S_CLKCFG_REL;
- lin_ctrl |= EP93XX_I2S_LINCTRLDATA_R_JUST;
+ rxlin_ctrl |= EP93XX_I2S_RXLINCTRLDATA_R_JUST;
+ txlin_ctrl |= EP93XX_I2S_TXLINCTRLDATA_R_JUST;
break;

default:
@@ -213,32 +215,32 @@ static int ep93xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
/* Negative bit clock, lrclk low on left word */
- clk_cfg &= ~(EP93XX_I2S_CLKCFG_CKP | EP93XX_I2S_CLKCFG_REL);
+ clk_cfg &= ~(EP93XX_I2S_CLKCFG_CKP | EP93XX_I2S_CLKCFG_LRS);
break;

case SND_SOC_DAIFMT_NB_IF:
/* Negative bit clock, lrclk low on right word */
clk_cfg &= ~EP93XX_I2S_CLKCFG_CKP;
- clk_cfg |= EP93XX_I2S_CLKCFG_REL;
+ clk_cfg |= EP93XX_I2S_CLKCFG_LRS;
break;

case SND_SOC_DAIFMT_IB_NF:
/* Positive bit clock, lrclk low on left word */
clk_cfg |= EP93XX_I2S_CLKCFG_CKP;
- clk_cfg &= ~EP93XX_I2S_CLKCFG_REL;
+ clk_cfg &= ~EP93XX_I2S_CLKCFG_LRS;
break;

case SND_SOC_DAIFMT_IB_IF:
/* Positive bit clock, lrclk low on right word */
- clk_cfg |= EP93XX_I2S_CLKCFG_CKP | EP93XX_I2S_CLKCFG_REL;
+ clk_cfg |= EP93XX_I2S_CLKCFG_CKP | EP93XX_I2S_CLKCFG_LRS;
break;
}

/* Write new register values */
ep93xx_i2s_write_reg(info, EP93XX_I2S_RXCLKCFG, clk_cfg);
ep93xx_i2s_write_reg(info, EP93XX_I2S_TXCLKCFG, clk_cfg);
- ep93xx_i2s_write_reg(info, EP93XX_I2S_RXLINCTRLDATA, lin_ctrl);
- ep93xx_i2s_write_reg(info, EP93XX_I2S_TXLINCTRLDATA, lin_ctrl);
+ ep93xx_i2s_write_reg(info, EP93XX_I2S_RXLINCTRLDATA, rxlin_ctrl);
+ ep93xx_i2s_write_reg(info, EP93XX_I2S_TXLINCTRLDATA, txlin_ctrl);
return 0;
}

diff --git a/sound/soc/cirrus/snappercl15.c b/sound/soc/cirrus/snappercl15.c
index 2334ec19e7eb..11ff7b2672b2 100644
--- a/sound/soc/cirrus/snappercl15.c
+++ b/sound/soc/cirrus/snappercl15.c
@@ -72,7 +72,7 @@ static struct snd_soc_dai_link snappercl15_dai = {
.codec_dai_name = "tlv320aic23-hifi",
.codec_name = "tlv320aic23-codec.0-001a",
.platform_name = "ep93xx-i2s",
- .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF |
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &snappercl15_ops,
};
diff --git a/sound/soc/codecs/cs35l35.c b/sound/soc/codecs/cs35l35.c
index a4a2cb171bdf..bd6226bde45f 100644
--- a/sound/soc/codecs/cs35l35.c
+++ b/sound/soc/codecs/cs35l35.c
@@ -1105,6 +1105,7 @@ static struct regmap_config cs35l35_regmap = {
.readable_reg = cs35l35_readable_register,
.precious_reg = cs35l35_precious_register,
.cache_type = REGCACHE_RBTREE,
+ .use_single_rw = true,
};

static irqreturn_t cs35l35_irq(int irq, void *data)
diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.c b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
index 53215b52e4f2..f8a06709f76d 100644
--- a/sound/soc/mediatek/common/mtk-afe-platform-driver.c
+++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
@@ -64,14 +64,14 @@ static const struct snd_pcm_ops mtk_afe_pcm_ops = {
static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
size_t size;
- struct snd_card *card = rtd->card->snd_card;
struct snd_pcm *pcm = rtd->pcm;
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);

size = afe->mtk_afe_hardware->buffer_bytes_max;
return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- card->dev, size, size);
+ rtd->platform->dev,
+ size, size);
}

static void mtk_afe_pcm_free(struct snd_pcm *pcm)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 2d9709104ec5..b2b501ef57d7 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -433,6 +433,8 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
{
struct dapm_kcontrol_data *data = snd_kcontrol_chip(kctl);
+
+ list_del(&data->paths);
kfree(data->wlist);
kfree(data);
}
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 36ef45b2e89d..09c4a4a7b5dd 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -354,6 +354,8 @@ int __kmod_path__parse(struct kmod_path *m, const char *path,
if ((strncmp(name, "[kernel.kallsyms]", 17) == 0) ||
(strncmp(name, "[guest.kernel.kallsyms", 22) == 0) ||
(strncmp(name, "[vdso]", 6) == 0) ||
+ (strncmp(name, "[vdso32]", 8) == 0) ||
+ (strncmp(name, "[vdsox32]", 9) == 0) ||
(strncmp(name, "[vsyscall]", 10) == 0)) {
m->kmod = false;

diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index f9157aed1289..d404bed7003a 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -113,6 +113,7 @@ struct intel_pt_decoder {
bool have_cyc;
bool fixup_last_mtc;
bool have_last_ip;
+ enum intel_pt_param_flags flags;
uint64_t pos;
uint64_t last_ip;
uint64_t ip;
@@ -226,6 +227,8 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params)
decoder->return_compression = params->return_compression;
decoder->branch_enable = params->branch_enable;

+ decoder->flags = params->flags;
+
decoder->period = params->period;
decoder->period_type = params->period_type;

@@ -1097,6 +1100,15 @@ static bool intel_pt_fup_event(struct intel_pt_decoder *decoder)
return ret;
}

+static inline bool intel_pt_fup_with_nlip(struct intel_pt_decoder *decoder,
+ struct intel_pt_insn *intel_pt_insn,
+ uint64_t ip, int err)
+{
+ return decoder->flags & INTEL_PT_FUP_WITH_NLIP && !err &&
+ intel_pt_insn->branch == INTEL_PT_BR_INDIRECT &&
+ ip == decoder->ip + intel_pt_insn->length;
+}
+
static int intel_pt_walk_fup(struct intel_pt_decoder *decoder)
{
struct intel_pt_insn intel_pt_insn;
@@ -1109,10 +1121,11 @@ static int intel_pt_walk_fup(struct intel_pt_decoder *decoder)
err = intel_pt_walk_insn(decoder, &intel_pt_insn, ip);
if (err == INTEL_PT_RETURN)
return 0;
- if (err == -EAGAIN) {
+ if (err == -EAGAIN ||
+ intel_pt_fup_with_nlip(decoder, &intel_pt_insn, ip, err)) {
if (intel_pt_fup_event(decoder))
return 0;
- return err;
+ return -EAGAIN;
}
decoder->set_fup_tx_flags = false;
if (err)
@@ -1376,7 +1389,6 @@ static int intel_pt_overflow(struct intel_pt_decoder *decoder)
{
intel_pt_log("ERROR: Buffer overflow\n");
intel_pt_clear_tx_flags(decoder);
- decoder->have_tma = false;
decoder->cbr = 0;
decoder->timestamp_insn_cnt = 0;
decoder->pkt_state = INTEL_PT_STATE_ERR_RESYNC;
@@ -1604,7 +1616,6 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
case INTEL_PT_PSB:
case INTEL_PT_TSC:
case INTEL_PT_TMA:
- case INTEL_PT_CBR:
case INTEL_PT_MODE_TSX:
case INTEL_PT_BAD:
case INTEL_PT_PSBEND:
@@ -1620,6 +1631,10 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
decoder->pkt_step = 0;
return -ENOENT;

+ case INTEL_PT_CBR:
+ intel_pt_calc_cbr(decoder);
+ break;
+
case INTEL_PT_OVF:
return intel_pt_overflow(decoder);

diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
index fc1752d50019..51c18d67f4ca 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
@@ -60,6 +60,14 @@ enum {
INTEL_PT_ERR_MAX,
};

+enum intel_pt_param_flags {
+ /*
+ * FUP packet can contain next linear instruction pointer instead of
+ * current linear instruction pointer.
+ */
+ INTEL_PT_FUP_WITH_NLIP = 1 << 0,
+};
+
struct intel_pt_state {
enum intel_pt_sample_type type;
int err;
@@ -106,6 +114,7 @@ struct intel_pt_params {
unsigned int mtc_period;
uint32_t tsc_ctc_ratio_n;
uint32_t tsc_ctc_ratio_d;
+ enum intel_pt_param_flags flags;
};

struct intel_pt_decoder;
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index ba4c9dd18643..d426761a549d 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -366,7 +366,7 @@ static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf,
if (len < offs)
return INTEL_PT_NEED_MORE_BYTES;
byte = buf[offs++];
- payload |= (byte >> 1) << shift;
+ payload |= ((uint64_t)byte >> 1) << shift;
}

packet->type = INTEL_PT_CYC;
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 0effaff57020..38b25e826a45 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -751,6 +751,7 @@ static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt,
unsigned int queue_nr)
{
struct intel_pt_params params = { .get_trace = 0, };
+ struct perf_env *env = pt->machine->env;
struct intel_pt_queue *ptq;

ptq = zalloc(sizeof(struct intel_pt_queue));
@@ -832,6 +833,9 @@ static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt,
}
}

+ if (env->cpuid && !strncmp(env->cpuid, "GenuineIntel,6,92,", 18))
+ params.flags |= INTEL_PT_FUP_WITH_NLIP;
+
ptq->decoder = intel_pt_decoder_new(&params);
if (!ptq->decoder)
goto out_free;
@@ -1523,6 +1527,7 @@ static int intel_pt_sample(struct intel_pt_queue *ptq)

if (intel_pt_is_switch_ip(ptq, state->to_ip)) {
switch (ptq->switch_state) {
+ case INTEL_PT_SS_NOT_TRACING:
case INTEL_PT_SS_UNKNOWN:
case INTEL_PT_SS_EXPECTING_SWITCH_IP:
err = intel_pt_next_tid(pt, ptq);
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 2a4f16fc9819..8393b1c06027 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -15,14 +15,29 @@ reset_tracer() { # reset the current tracer
echo nop > current_tracer
}

-reset_trigger() { # reset all current setting triggers
- grep -v ^# events/*/*/trigger |
+reset_trigger_file() {
+ # remove action triggers first
+ grep -H ':on[^:]*(' $@ |
+ while read line; do
+ cmd=`echo $line | cut -f2- -d: | cut -f1 -d" "`
+ file=`echo $line | cut -f1 -d:`
+ echo "!$cmd" >> $file
+ done
+ grep -Hv ^# $@ |
while read line; do
cmd=`echo $line | cut -f2- -d: | cut -f1 -d" "`
- echo "!$cmd" > `echo $line | cut -f1 -d:`
+ file=`echo $line | cut -f1 -d:`
+ echo "!$cmd" > $file
done
}

+reset_trigger() { # reset all current setting triggers
+ if [ -d events/synthetic ]; then
+ reset_trigger_file events/synthetic/*/trigger
+ fi
+ reset_trigger_file events/*/*/trigger
+}
+
reset_events_filter() { # reset all current setting filters
grep -v ^none events/*/*/filter |
while read line; do
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