x86: add x2apic_wrmsr_fence() to x2apic flush tlb paths

[linux-2.6-block.git] / arch / x86 / kernel / apic / x2apic_phys.c

diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 23625b9f98b28530657ca7d572cf4b7a4a60a378..a284359627e7fe23ed8a84ab00be47e0a24ae9bf 100644 (file)
--- 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)