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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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8
arch/sparc/include/asm/mmu_context_64.h
View File

@@ -121,8 +121,8 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str
* local TLB.
*/
cpu = smp_processor_id();
if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) {
cpu_set(cpu, mm->cpu_vm_mask);
if (!ctx_valid || !cpumask_test_cpu(cpu, mm_cpumask(mm))) {
cpumask_set_cpu(cpu, mm_cpumask(mm));
__flush_tlb_mm(CTX_HWBITS(mm->context),
SECONDARY_CONTEXT);
}
@@ -141,8 +141,8 @@ static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm
if (!CTX_VALID(mm->context))
get_new_mmu_context(mm);
cpu = smp_processor_id();
if (!cpu_isset(cpu, mm->cpu_vm_mask))
cpu_set(cpu, mm->cpu_vm_mask);
if (!cpumask_test_cpu(cpu, mm_cpumask(mm)))
cpumask_set_cpu(cpu, mm_cpumask(mm));
load_secondary_context(mm);
__flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT);

2
arch/sparc/include/asm/system_32.h
View File

@@ -126,7 +126,7 @@ extern void flushw_all(void);
#define switch_to(prev, next, last) do { \
SWITCH_ENTER(prev); \
SWITCH_DO_LAZY_FPU(next); \
cpu_set(smp_processor_id(), next->active_mm->cpu_vm_mask); \
cpumask_set_cpu(smp_processor_id(), mm_cpumask(next->active_mm)); \
__asm__ __volatile__( \
"sethi %%hi(here - 0x8), %%o7\n\t" \
"mov %%g6, %%g3\n\t" \