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SubjectRe: Linux 2.6.16.20
diff --git a/Makefile b/Makefile
index bf2e152..600c769 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 16
-EXTRAVERSION = .19
+EXTRAVERSION = .20
NAME=Sliding Snow Leopard

# *DOCUMENTATION*
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 29c2946..f649750 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -456,11 +456,23 @@ static int pmac_pm_finish(suspend_state_
return 0;
}

+static int pmac_pm_valid(suspend_state_t state)
+{
+ switch (state) {
+ case PM_SUSPEND_DISK:
+ return 1;
+ /* can't do any other states via generic mechanism yet */
+ default:
+ return 0;
+ }
+}
+
static struct pm_ops pmac_pm_ops = {
.pm_disk_mode = PM_DISK_SHUTDOWN,
.prepare = pmac_pm_prepare,
.enter = pmac_pm_enter,
.finish = pmac_pm_finish,
+ .valid = pmac_pm_valid,
};

#endif /* CONFIG_SOFTWARE_SUSPEND */
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index ab6e44d..97583bb 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -281,12 +281,7 @@ tracesys:
ja 1f
movq %r10,%rcx /* fixup for C */
call *sys_call_table(,%rax,8)
- movq %rax,RAX-ARGOFFSET(%rsp)
-1: SAVE_REST
- movq %rsp,%rdi
- call syscall_trace_leave
- RESTORE_TOP_OF_STACK %rbx
- RESTORE_REST
+1: movq %rax,RAX-ARGOFFSET(%rsp)
/* Use IRET because user could have changed frame */
jmp int_ret_from_sys_call
CFI_ENDPROC
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 28d50dc..a5209fd 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -30,6 +30,7 @@ #include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/nmi.h>
#include <linux/kprobes.h>
+#include <linux/kexec.h>

#include <asm/system.h>
#include <asm/uaccess.h>
@@ -434,6 +435,8 @@ #endif
printk(KERN_ALERT "RIP ");
printk_address(regs->rip);
printk(" RSP <%016lx>\n", regs->rsp);
+ if (kexec_should_crash(current))
+ crash_kexec(regs);
}

void die(const char * str, struct pt_regs * regs, long err)
@@ -456,6 +459,8 @@ void __kprobes die_nmi(char *str, struct
*/
printk(str, safe_smp_processor_id());
show_registers(regs);
+ if (kexec_should_crash(current))
+ crash_kexec(regs);
if (panic_on_timeout || panic_on_oops)
panic("nmi watchdog");
printk("console shuts up ...\n");
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index b6b96fa..a9a73f7 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -2525,7 +2525,7 @@ static irqreturn_t ohci_irq_handler(int
if (phys_dma) {
reg_write(ohci,OHCI1394_PhyReqFilterHiSet, 0xffffffff);
reg_write(ohci,OHCI1394_PhyReqFilterLoSet, 0xffffffff);
- reg_write(ohci,OHCI1394_PhyUpperBound, 0xffff0000);
+ reg_write(ohci,OHCI1394_PhyUpperBound, 0x01000000);
} else {
reg_write(ohci,OHCI1394_PhyReqFilterHiSet, 0x00000000);
reg_write(ohci,OHCI1394_PhyReqFilterLoSet, 0x00000000);
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index d83248e..d02be4a 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -754,12 +754,17 @@ #endif

/* Register the status FIFO address range. We could use the same FIFO
* for targets at different nodes. However we need different FIFOs per
- * target in order to support multi-unit devices. */
+ * target in order to support multi-unit devices.
+ * The FIFO is located out of the local host controller's physical range
+ * but, if possible, within the posted write area. Status writes will
+ * then be performed as unified transactions. This slightly reduces
+ * bandwidth usage, and some Prolific based devices seem to require it.
+ */
scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace(
&sbp2_highlevel, ud->ne->host, &sbp2_ops,
sizeof(struct sbp2_status_block), sizeof(quadlet_t),
- ~0ULL, ~0ULL);
- if (!scsi_id->status_fifo_addr) {
+ 0x010000000000ULL, CSR1212_ALL_SPACE_END);
+ if (scsi_id->status_fifo_addr == ~0ULL) {
SBP2_ERR("failed to allocate status FIFO address range");
goto failed_alloc;
}
@@ -2486,9 +2491,20 @@ static int sbp2scsi_slave_alloc(struct s

static int sbp2scsi_slave_configure(struct scsi_device *sdev)
{
+ struct scsi_id_instance_data *scsi_id =
+ (struct scsi_id_instance_data *)sdev->host->hostdata[0];
+
blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
sdev->use_10_for_rw = 1;
sdev->use_10_for_ms = 1;
+
+ if ((scsi_id->sbp2_firmware_revision & 0xffff00) == 0x0a2700 &&
+ (scsi_id->ud->model_id == 0x000021 /* gen.4 iPod */ ||
+ scsi_id->ud->model_id == 0x000023 /* iPod mini */ ||
+ scsi_id->ud->model_id == 0x00007e /* iPod Photo */ )) {
+ SBP2_INFO("enabling iPod workaround: decrement disk capacity");
+ sdev->fix_capacity = 1;
+ }
return 0;
}

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index ad62174..b2bed1a 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -300,8 +300,10 @@ static irqreturn_t psmouse_interrupt(str
* Check if this is a new device announcement (0xAA 0x00)
*/
if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) {
- if (psmouse->pktcnt == 1)
+ if (psmouse->pktcnt == 1) {
+ psmouse->last = jiffies;
goto out;
+ }

if (psmouse->packet[1] == PSMOUSE_RET_ID) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index aa6f3a4..f42e51a 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -8391,20 +8391,28 @@ static int ipw_wx_get_range(struct net_d

i = 0;
if (priv->ieee->mode & (IEEE_B | IEEE_G)) {
- for (j = 0; j < geo->bg_channels && i < IW_MAX_FREQUENCIES;
- i++, j++) {
+ for (j = 0; j < geo->bg_channels && i < IW_MAX_FREQUENCIES; j++) {
+ if ((priv->ieee->iw_mode == IW_MODE_ADHOC) &&
+ (geo->bg[j].flags & IEEE80211_CH_PASSIVE_ONLY))
+ continue;
+
range->freq[i].i = geo->bg[j].channel;
range->freq[i].m = geo->bg[j].freq * 100000;
range->freq[i].e = 1;
+ i++;
}
}

if (priv->ieee->mode & IEEE_A) {
- for (j = 0; j < geo->a_channels && i < IW_MAX_FREQUENCIES;
- i++, j++) {
+ for (j = 0; j < geo->a_channels && i < IW_MAX_FREQUENCIES; j++) {
+ if ((priv->ieee->iw_mode == IW_MODE_ADHOC) &&
+ (geo->a[j].flags & IEEE80211_CH_PASSIVE_ONLY))
+ continue;
+
range->freq[i].i = geo->a[j].channel;
range->freq[i].m = geo->a[j].freq * 100000;
range->freq[i].e = 1;
+ i++;
}
}

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 4f91b0d..400e9d7 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4293,6 +4293,7 @@ static int ata_start_drive(struct ata_po
int ata_device_resume(struct ata_port *ap, struct ata_device *dev)
{
if (ap->flags & ATA_FLAG_SUSPENDED) {
+ ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 200000);
ap->flags &= ~ATA_FLAG_SUSPENDED;
ata_set_mode(ap);
}
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
index 93449a1..4bd05a0 100644
--- a/drivers/sn/ioc3.c
+++ b/drivers/sn/ioc3.c
@@ -677,7 +677,7 @@ #endif
/* Track PCI-device specific data */
pci_set_drvdata(pdev, idd);
down_write(&ioc3_devices_rwsem);
- list_add(&idd->list, &ioc3_devices);
+ list_add_tail(&idd->list, &ioc3_devices);
idd->id = ioc3_counter++;
up_write(&ioc3_devices_rwsem);

diff --git a/drivers/sn/ioc4.c b/drivers/sn/ioc4.c
index ea75b3d..771e868 100644
--- a/drivers/sn/ioc4.c
+++ b/drivers/sn/ioc4.c
@@ -313,7 +313,7 @@ ioc4_probe(struct pci_dev *pdev, const s
idd->idd_serial_data = NULL;
pci_set_drvdata(idd->idd_pdev, idd);
down_write(&ioc4_devices_rwsem);
- list_add(&idd->idd_list, &ioc4_devices);
+ list_add_tail(&idd->idd_list, &ioc4_devices);
up_write(&ioc4_devices_rwsem);

/* Add this IOC4 to all submodules */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 61de222..8b3cde1 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -949,7 +949,8 @@ restart:
alloc_flags |= ALLOC_HARDER;
if (gfp_mask & __GFP_HIGH)
alloc_flags |= ALLOC_HIGH;
- alloc_flags |= ALLOC_CPUSET;
+ if (wait)
+ alloc_flags |= ALLOC_CPUSET;

/*
* Go through the zonelist again. Let __GFP_HIGH and allocations
-
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