summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/tlb_nohash.c
diff options
context:
space:
mode:
authorRusty Russell <rusty@rustcorp.com.au>2009-03-15 18:16:43 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-24 13:47:29 +1100
commit56aa4129e87be43676c6e3eac41a6aa553877802 (patch)
tree51fff04b2393a6e2ae6f6ab2b27126428eec651d /arch/powerpc/mm/tlb_nohash.c
parentf5ac590e79d693d4239997265405535a2e0c36bd (diff)
cpumask: Use mm_cpumask() wrapper instead of cpu_vm_mask
Makes code futureproof against the impending change to mm->cpu_vm_mask. It's also a chance to use the new cpumask_ ops which take a pointer (the older ones are deprecated, but there's no hurry for arch code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/tlb_nohash.c')
-rw-r--r--arch/powerpc/mm/tlb_nohash.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index 39ac22b13c7..7af72970fae 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -132,11 +132,11 @@ void flush_tlb_mm(struct mm_struct *mm)
pid = mm->context.id;
if (unlikely(pid == MMU_NO_CONTEXT))
goto no_context;
- cpu_mask = mm->cpu_vm_mask;
- cpu_clear(smp_processor_id(), cpu_mask);
- if (!cpus_empty(cpu_mask)) {
+ if (!cpumask_equal(mm_cpumask(mm), cpumask_of(smp_processor_id()))) {
struct tlb_flush_param p = { .pid = pid };
- smp_call_function_mask(cpu_mask, do_flush_tlb_mm_ipi, &p, 1);
+ /* Ignores smp_processor_id() even if set. */
+ smp_call_function_many(mm_cpumask(mm),
+ do_flush_tlb_mm_ipi, &p, 1);
}
_tlbil_pid(pid);
no_context:
@@ -146,16 +146,15 @@ EXPORT_SYMBOL(flush_tlb_mm);
void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr)
{
- cpumask_t cpu_mask;
+ struct cpumask *cpu_mask;
unsigned int pid;
preempt_disable();
pid = vma ? vma->vm_mm->context.id : 0;
if (unlikely(pid == MMU_NO_CONTEXT))
goto bail;
- cpu_mask = vma->vm_mm->cpu_vm_mask;
- cpu_clear(smp_processor_id(), cpu_mask);
- if (!cpus_empty(cpu_mask)) {
+ cpu_mask = mm_cpumask(vma->vm_mm);
+ if (!cpumask_equal(cpu_mask, cpumask_of(smp_processor_id()))) {
/* If broadcast tlbivax is supported, use it */
if (mmu_has_feature(MMU_FTR_USE_TLBIVAX_BCAST)) {
int lock = mmu_has_feature(MMU_FTR_LOCK_BCAST_INVAL);
@@ -167,7 +166,8 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr)
goto bail;
} else {
struct tlb_flush_param p = { .pid = pid, .addr = vmaddr };
- smp_call_function_mask(cpu_mask,
+ /* Ignores smp_processor_id() even if set in cpu_mask */
+ smp_call_function_many(cpu_mask,
do_flush_tlb_page_ipi, &p, 1);
}
}