diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-15 18:16:43 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-24 13:47:29 +1100 |
| commit | 56aa4129e87be43676c6e3eac41a6aa553877802 (patch) | |
| tree | 51fff04b2393a6e2ae6f6ab2b27126428eec651d /arch/powerpc/mm/tlb_nohash.c | |
| parent | f5ac590e79d693d4239997265405535a2e0c36bd (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.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c index 39ac22b13c73..7af72970faed 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); } } |