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authorIngo Molnar <mingo@elte.hu>2008-11-11 09:16:20 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-11 09:16:20 +0100
commit45b86a96f17cb2900f291129b0e67287400e45b2 (patch)
treef7968bf36e3947ee42251f7eebc6ea5f24aca202 /arch/x86/kernel/tlb_64.c
parent072ba49838b42c873c496d72c91bb237914cf3b6 (diff)
parent4143c5cb36331155a1823af8b3a8c761a59fed71 (diff)
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent
Diffstat (limited to 'arch/x86/kernel/tlb_64.c')
-rw-r--r--arch/x86/kernel/tlb_64.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/tlb_64.c b/arch/x86/kernel/tlb_64.c
index dcbf7a1159e..8f919ca6949 100644
--- a/arch/x86/kernel/tlb_64.c
+++ b/arch/x86/kernel/tlb_64.c
@@ -183,6 +183,11 @@ void native_flush_tlb_others(const cpumask_t *cpumaskp, struct mm_struct *mm,
cpus_or(f->flush_cpumask, cpumask, f->flush_cpumask);
/*
+ * Make the above memory operations globally visible before
+ * sending the IPI.
+ */
+ smp_mb();
+ /*
* We have to send the IPI only to
* CPUs affected.
*/