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cpumask: use mm_cpumask() wrapper: sparc

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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>
This commit is contained in:
Rusty Russell
2009-03-16 14:40:39 +10:30
parent e9b375120b
commit 81f1adf012
4 changed files with 19 additions and 18 deletions
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10
arch/sparc/kernel/smp_64.c
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@@ -850,7 +850,7 @@ static void tsb_sync(void *info)
void smp_tsb_sync(struct mm_struct *mm)
{
smp_call_function_many(&mm->cpu_vm_mask, tsb_sync, mm, 1);
smp_call_function_many(mm_cpumask(mm), tsb_sync, mm, 1);
}
extern unsigned long xcall_flush_tlb_mm;
@@ -1055,13 +1055,13 @@ void smp_flush_tlb_mm(struct mm_struct *mm)
int cpu = get_cpu();
if (atomic_read(&mm->mm_users) == 1) {
mm->cpu_vm_mask = cpumask_of_cpu(cpu);
cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
goto local_flush_and_out;
}
smp_cross_call_masked(&xcall_flush_tlb_mm,
ctx, 0, 0,
&mm->cpu_vm_mask);
mm_cpumask(mm));
local_flush_and_out:
__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
@@ -1075,11 +1075,11 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
int cpu = get_cpu();
if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1)
mm->cpu_vm_mask = cpumask_of_cpu(cpu);
cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
else
smp_cross_call_masked(&xcall_flush_tlb_pending,
ctx, nr, (unsigned long) vaddrs,
&mm->cpu_vm_mask);
mm_cpumask(mm));
__flush_tlb_pending(ctx, nr, vaddrs);