diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
| commit | a1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch) | |
| tree | 0f1777542b385ebefd30b3586d830fd8ed6fda5b /arch/x86/mm/tlb.c | |
| parent | 75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff) | |
| parent | d28daf923ac5e4a0d7cecebae56f3e339189366b (diff) | |
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts:
arch/Kconfig
kernel/trace/trace.h
Merge reason: resolve the conflicts, plus adopt to the new
ring-buffer APIs.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/tlb.c')
| -rw-r--r-- | arch/x86/mm/tlb.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 821e97017e9..c814e144a3f 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -183,18 +183,17 @@ static void flush_tlb_others_ipi(const struct cpumask *cpumask, f->flush_mm = mm; f->flush_va = va; - cpumask_andnot(to_cpumask(f->flush_cpumask), - cpumask, cpumask_of(smp_processor_id())); - - /* - * We have to send the IPI only to - * CPUs affected. - */ - apic->send_IPI_mask(to_cpumask(f->flush_cpumask), - INVALIDATE_TLB_VECTOR_START + sender); + if (cpumask_andnot(to_cpumask(f->flush_cpumask), cpumask, cpumask_of(smp_processor_id()))) { + /* + * We have to send the IPI only to + * CPUs affected. + */ + apic->send_IPI_mask(to_cpumask(f->flush_cpumask), + INVALIDATE_TLB_VECTOR_START + sender); - while (!cpumask_empty(to_cpumask(f->flush_cpumask))) - cpu_relax(); + while (!cpumask_empty(to_cpumask(f->flush_cpumask))) + cpu_relax(); + } f->flush_mm = NULL; f->flush_va = 0; |