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author | Ingo Molnar <mingo@elte.hu> | 2009-09-04 14:44:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-09-04 14:44:16 +0200 |
commit | 695a461296e5df148c99ac087b9e1cb380f4db15 (patch) | |
tree | 951893036fdc0b7bae0e17bc739ac8ffe909781d /arch/x86/mm/tlb.c | |
parent | c7084b35eb1a4d3353a501508baf9d3d82822c93 (diff) | |
parent | 2b681fafcc50fea6304ed418667c9d04282acb73 (diff) | |
download | kernel-crypto-695a461296e5df148c99ac087b9e1cb380f4db15.tar.gz kernel-crypto-695a461296e5df148c99ac087b9e1cb380f4db15.tar.xz kernel-crypto-695a461296e5df148c99ac087b9e1cb380f4db15.zip |
Merge branch 'amd-iommu/2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into core/iommu
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; |