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Diffstat (limited to 'arch/x86/kernel/apic/x2apic_phys.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 23625b9f98b..a284359627e 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -58,6 +58,8 @@ static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector)
unsigned long query_cpu;
unsigned long flags;
+ x2apic_wrmsr_fence();
+
local_irq_save(flags);
for_each_cpu(query_cpu, mask) {
__x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu),
@@ -73,6 +75,8 @@ static void
unsigned long query_cpu;
unsigned long flags;
+ x2apic_wrmsr_fence();
+
local_irq_save(flags);
for_each_cpu(query_cpu, mask) {
if (query_cpu != this_cpu)
@@ -89,6 +93,8 @@ static void x2apic_send_IPI_allbutself(int vector)
unsigned long query_cpu;
unsigned long flags;
+ x2apic_wrmsr_fence();
+
local_irq_save(flags);
for_each_online_cpu(query_cpu) {
if (query_cpu == this_cpu)