aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/tlb_64.c
diff options
context:
space:
mode:
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 dcbf7a1..8f919ca 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.
*/