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Subject[GIT PULL] x86/cleanups for v4.1
Linus,

Please pull the latest x86-cleanups-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cleanups-for-linus

# HEAD: b44915927ca88084a7292e4ddd4cf91036f365e1 x86/iommu: Fix header comments regarding standard and _FINISH macros

Various cleanups.

Thanks,

Ingo

------------------>
Aravind Gopalakrishnan (1):
x86/iommu: Fix header comments regarding standard and _FINISH macros

Mark Einon (1):
x86/earlyprintk: Put CONFIG_PCI-only functions under the #ifdef

Rusty Russell (1):
x86: Fix up obsolete __cpu_set() function usage


arch/x86/include/asm/iommu_table.h | 11 ++++++-----
arch/x86/kernel/apic/x2apic_cluster.c | 8 ++++----
arch/x86/kernel/early_printk.c | 32 ++++++++++++++++----------------
arch/x86/kernel/irq.c | 4 ++--
arch/x86/platform/uv/tlb_uv.c | 6 +++---
5 files changed, 31 insertions(+), 30 deletions(-)

diff --git a/arch/x86/include/asm/iommu_table.h b/arch/x86/include/asm/iommu_table.h
index f42a04735a0a..e37d6b3ad983 100644
--- a/arch/x86/include/asm/iommu_table.h
+++ b/arch/x86/include/asm/iommu_table.h
@@ -79,11 +79,12 @@ struct iommu_table_entry {
* d). Similar to the 'init', except that this gets called from pci_iommu_init
* where we do have a memory allocator.
*
- * The standard vs the _FINISH differs in that the _FINISH variant will
- * continue detecting other IOMMUs in the call list after the
- * the detection routine returns a positive number. The _FINISH will
- * stop the execution chain. Both will still call the 'init' and
- * 'late_init' functions if they are set.
+ * The standard IOMMU_INIT differs from the IOMMU_INIT_FINISH variant
+ * in that the former will continue detecting other IOMMUs in the call
+ * list after the detection routine returns a positive number, while the
+ * latter will stop the execution chain upon first successful detection.
+ * Both variants will still call the 'init' and 'late_init' functions if
+ * they are set.
*/
#define IOMMU_INIT_FINISH(_detect, _depend, _init, _late_init) \
__IOMMU_INIT(_detect, _depend, _init, _late_init, 1)
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index e658f21681c8..d9d0bd2faaf4 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -135,12 +135,12 @@ static void init_x2apic_ldr(void)

per_cpu(x86_cpu_to_logical_apicid, this_cpu) = apic_read(APIC_LDR);

- __cpu_set(this_cpu, per_cpu(cpus_in_cluster, this_cpu));
+ cpumask_set_cpu(this_cpu, per_cpu(cpus_in_cluster, this_cpu));
for_each_online_cpu(cpu) {
if (x2apic_cluster(this_cpu) != x2apic_cluster(cpu))
continue;
- __cpu_set(this_cpu, per_cpu(cpus_in_cluster, cpu));
- __cpu_set(cpu, per_cpu(cpus_in_cluster, this_cpu));
+ cpumask_set_cpu(this_cpu, per_cpu(cpus_in_cluster, cpu));
+ cpumask_set_cpu(cpu, per_cpu(cpus_in_cluster, this_cpu));
}
}

@@ -195,7 +195,7 @@ static int x2apic_init_cpu_notifier(void)

BUG_ON(!per_cpu(cpus_in_cluster, cpu) || !per_cpu(ipi_mask, cpu));

- __cpu_set(cpu, per_cpu(cpus_in_cluster, cpu));
+ cpumask_set_cpu(cpu, per_cpu(cpus_in_cluster, cpu));
register_hotcpu_notifier(&x2apic_cpu_notifier);
return 1;
}
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index a62536a1be88..49ff55ef9b26 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -95,20 +95,6 @@ static unsigned long early_serial_base = 0x3f8; /* ttyS0 */
#define DLL 0 /* Divisor Latch Low */
#define DLH 1 /* Divisor latch High */

-static void mem32_serial_out(unsigned long addr, int offset, int value)
-{
- uint32_t *vaddr = (uint32_t *)addr;
- /* shift implied by pointer type */
- writel(value, vaddr + offset);
-}
-
-static unsigned int mem32_serial_in(unsigned long addr, int offset)
-{
- uint32_t *vaddr = (uint32_t *)addr;
- /* shift implied by pointer type */
- return readl(vaddr + offset);
-}
-
static unsigned int io_serial_in(unsigned long addr, int offset)
{
return inb(addr + offset);
@@ -205,6 +191,20 @@ static __init void early_serial_init(char *s)
}

#ifdef CONFIG_PCI
+static void mem32_serial_out(unsigned long addr, int offset, int value)
+{
+ u32 *vaddr = (u32 *)addr;
+ /* shift implied by pointer type */
+ writel(value, vaddr + offset);
+}
+
+static unsigned int mem32_serial_in(unsigned long addr, int offset)
+{
+ u32 *vaddr = (u32 *)addr;
+ /* shift implied by pointer type */
+ return readl(vaddr + offset);
+}
+
/*
* early_pci_serial_init()
*
@@ -217,8 +217,8 @@ static __init void early_pci_serial_init(char *s)
unsigned divisor;
unsigned long baud = DEFAULT_BAUD;
u8 bus, slot, func;
- uint32_t classcode, bar0;
- uint16_t cmdreg;
+ u32 classcode, bar0;
+ u16 cmdreg;
char *e;


diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 67b1cbe0093a..e5952c225532 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -295,7 +295,7 @@ int check_irq_vectors_for_cpu_disable(void)

this_cpu = smp_processor_id();
cpumask_copy(&online_new, cpu_online_mask);
- cpu_clear(this_cpu, online_new);
+ cpumask_clear_cpu(this_cpu, &online_new);

this_count = 0;
for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
@@ -307,7 +307,7 @@ int check_irq_vectors_for_cpu_disable(void)

data = irq_desc_get_irq_data(desc);
cpumask_copy(&affinity_new, data->affinity);
- cpu_clear(this_cpu, affinity_new);
+ cpumask_clear_cpu(this_cpu, &affinity_new);

/* Do not count inactive or per-cpu irqs. */
if (!irq_has_action(irq) || irqd_is_per_cpu(data))
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 994798548b1a..3b6ec42718e4 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -415,7 +415,7 @@ static void reset_with_ipi(struct pnmask *distribution, struct bau_control *bcp)
struct reset_args reset_args;

reset_args.sender = sender;
- cpus_clear(*mask);
+ cpumask_clear(mask);
/* find a single cpu for each uvhub in this distribution mask */
maskbits = sizeof(struct pnmask) * BITSPERBYTE;
/* each bit is a pnode relative to the partition base pnode */
@@ -425,7 +425,7 @@ static void reset_with_ipi(struct pnmask *distribution, struct bau_control *bcp)
continue;
apnode = pnode + bcp->partition_base_pnode;
cpu = pnode_to_first_cpu(apnode, smaster);
- cpu_set(cpu, *mask);
+ cpumask_set_cpu(cpu, mask);
}

/* IPI all cpus; preemption is already disabled */
@@ -1126,7 +1126,7 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
/* don't actually do a shootdown of the local cpu */
cpumask_andnot(flush_mask, cpumask, cpumask_of(cpu));

- if (cpu_isset(cpu, *cpumask))
+ if (cpumask_test_cpu(cpu, cpumask))
stat->s_ntargself++;

bau_desc = bcp->descriptor_base;

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