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authorTony Luck <tony.luck@intel.com>2011-01-07 09:17:33 -0800
committerTony Luck <tony.luck@intel.com>2011-01-07 09:17:33 -0800
commit4bfc2b2eccf48fef84b9adfe4f1bd8d5e6e1bc8d (patch)
tree88b0d60b5a6dd1c4465aa7bffd71585a6ebad6c0 /arch/ia64
parent01539ba2a706ab7d35fc0667dff919ade7f87d63 (diff)
parent05f2f274c8a8747bbfb13ac8ee0c27d5f2ad8510 (diff)
downloadop-kernel-dev-4bfc2b2eccf48fef84b9adfe4f1bd8d5e6e1bc8d.zip
op-kernel-dev-4bfc2b2eccf48fef84b9adfe4f1bd8d5e6e1bc8d.tar.gz
Pull misc2.6.38 into release branch
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/kernel/acpi.c6
-rw-r--r--arch/ia64/kernel/irq_ia64.c2
-rw-r--r--arch/ia64/kernel/perfmon.c3
-rw-r--r--arch/ia64/kernel/smp.c13
-rw-r--r--arch/ia64/kernel/time.c2
5 files changed, 19 insertions, 7 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index c6c90f3..7b897b7 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -477,6 +477,12 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
if (!(pa->flags & ACPI_SRAT_CPU_ENABLED))
return;
+ if (srat_num_cpus >= ARRAY_SIZE(node_cpuid)) {
+ printk_once(KERN_WARNING
+ "node_cpuid[%d] is too small, may not be able to use all cpus\n",
+ ARRAY_SIZE(node_cpuid));
+ return;
+ }
pxm = get_processor_proximity_domain(pa);
/* record this node in proximity bitmap */
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 9a26015..38c07b8 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -633,7 +633,7 @@ ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));
desc = irq_desc + irq;
desc->status |= IRQ_PER_CPU;
- desc->chip = &irq_type_ia64_lsapic;
+ set_irq_chip(irq, &irq_type_ia64_lsapic);
if (action)
setup_irq(irq, action);
set_irq_handler(irq, handle_percpu_irq);
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 39e534f..3aee09d 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -829,10 +829,9 @@ pfm_rvmalloc(unsigned long size)
unsigned long addr;
size = PAGE_ALIGN(size);
- mem = vmalloc(size);
+ mem = vzalloc(size);
if (mem) {
//printk("perfmon: CPU%d pfm_rvmalloc(%ld)=%p\n", smp_processor_id(), size, mem);
- memset(mem, 0, size);
addr = (unsigned long)mem;
while (size > 0) {
pfm_reserve_page(addr);
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index dabeefe2..be450a3 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -293,6 +293,7 @@ smp_flush_tlb_all (void)
void
smp_flush_tlb_mm (struct mm_struct *mm)
{
+ cpumask_var_t cpus;
preempt_disable();
/* this happens for the common case of a single-threaded fork(): */
if (likely(mm == current->active_mm && atomic_read(&mm->mm_users) == 1))
@@ -301,9 +302,15 @@ smp_flush_tlb_mm (struct mm_struct *mm)
preempt_enable();
return;
}
-
- smp_call_function_many(mm_cpumask(mm),
- (void (*)(void *))local_finish_flush_tlb_mm, mm, 1);
+ if (!alloc_cpumask_var(&cpus, GFP_ATOMIC)) {
+ smp_call_function((void (*)(void *))local_finish_flush_tlb_mm,
+ mm, 1);
+ } else {
+ cpumask_copy(cpus, mm_cpumask(mm));
+ smp_call_function_many(cpus,
+ (void (*)(void *))local_finish_flush_tlb_mm, mm, 1);
+ free_cpumask_var(cpus);
+ }
local_irq_disable();
local_finish_flush_tlb_mm(mm);
local_irq_enable();
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index ed6f22e..9702fa9 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -168,7 +168,7 @@ timer_interrupt (int irq, void *dev_id)
{
unsigned long new_itm;
- if (unlikely(cpu_is_offline(smp_processor_id()))) {
+ if (cpu_is_offline(smp_processor_id())) {
return IRQ_HANDLED;
}
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