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cpumask: use mm_cpumask() wrapper: x86

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Makes code futureproof against the impending change to mm->cpu_vm_mask (to be a pointer).

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 09:34:51 -06:00
parent fa40699b97
commit 78f1c4d6b0
4 changed files with 15 additions and 14 deletions
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15
arch/x86/mm/tlb.c
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@@ -59,7 +59,8 @@ void leave_mm(int cpu)
{
if (percpu_read(cpu_tlbstate.state) == TLBSTATE_OK)
BUG();
cpu_clear(cpu, percpu_read(cpu_tlbstate.active_mm)->cpu_vm_mask);
cpumask_clear_cpu(cpu,
mm_cpumask(percpu_read(cpu_tlbstate.active_mm)));
load_cr3(swapper_pg_dir);
}
EXPORT_SYMBOL_GPL(leave_mm);
@@ -234,8 +235,8 @@ void flush_tlb_current_task(void)
preempt_disable();
local_flush_tlb();
if (cpumask_any_but(&mm->cpu_vm_mask, smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(&mm->cpu_vm_mask, mm, TLB_FLUSH_ALL);
if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(mm_cpumask(mm), mm, TLB_FLUSH_ALL);
preempt_enable();
}
@@ -249,8 +250,8 @@ void flush_tlb_mm(struct mm_struct *mm)
else
leave_mm(smp_processor_id());
}
if (cpumask_any_but(&mm->cpu_vm_mask, smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(&mm->cpu_vm_mask, mm, TLB_FLUSH_ALL);
if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(mm_cpumask(mm), mm, TLB_FLUSH_ALL);
preempt_enable();
}
@@ -268,8 +269,8 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long va)
leave_mm(smp_processor_id());
}
if (cpumask_any_but(&mm->cpu_vm_mask, smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(&mm->cpu_vm_mask, mm, va);
if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(mm_cpumask(mm), mm, va);
preempt_enable();
}