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cpumask: use mm_cpumask() wrapper: arm

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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
2009-09-24 09:34:49 -06:00
parent a6a01063de
commit 56f8ba83a5
6 changed files with 21 additions and 20 deletions
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7
arch/arm/include/asm/mmu_context.h
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@@ -103,14 +103,15 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
#ifdef CONFIG_SMP
/* check for possible thread migration */
if (!cpus_empty(next->cpu_vm_mask) && !cpu_isset(cpu, next->cpu_vm_mask))
if (!cpumask_empty(mm_cpumask(next)) &&
!cpumask_test_cpu(cpu, mm_cpumask(next)))
__flush_icache_all();
#endif
if (!cpu_test_and_set(cpu, next->cpu_vm_mask) || prev != next) {
if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next)) || prev != next) {
check_context(next);
cpu_switch_mm(next->pgd, next);
if (cache_is_vivt())
cpu_clear(cpu, prev->cpu_vm_mask);
cpumask_clear_cpu(cpu, mm_cpumask(prev));
}
#endif
}