summaryrefslogtreecommitdiff
path: root/arch/x86/mm/tlb.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-08-24 12:25:44 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-24 12:25:54 +0200
commit5f9ece02401116b29eb04396b99ea092acb75dd8 (patch)
treee10386e2dc63c275646b4eb0bed857da7bf86c6a /arch/x86/mm/tlb.c
parent9f51e24ee8b5a1595b6a5ac0c2be278a16488e75 (diff)
parent422bef879e84104fee6dc68ded0e371dbeb5f88e (diff)
Merge commit 'v2.6.31-rc7' into x86/cleanups
Merge reason: we were on -rc1 before - go up to -rc7 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/tlb.c')
-rw-r--r--arch/x86/mm/tlb.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 821e97017e95..c814e144a3f0 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;