These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / x86 / xen / apic.c

diff --git a/kernel/arch/x86/xen/apic.c b/kernel/arch/x86/xen/apic.c
index 70e060a..acda713 100644 (file)
--- a/kernel/arch/x86/xen/apic.c
+++ b/kernel/arch/x86/xen/apic.c
@@ -7,6 +7,7 @@
 #include <xen/xen.h>
 #include <xen/interface/physdev.h>
 #include "xen-ops.h"
+#include "pmu.h"
 #include "smp.h"
 
 static unsigned int xen_io_apic_read(unsigned apic, unsigned reg)
@@ -72,6 +73,11 @@ static u32 xen_apic_read(u32 reg)
 
 static void xen_apic_write(u32 reg, u32 val)
 {
+       if (reg == APIC_LVTPC) {
+               (void)pmu_apic_update(reg);
+               return;
+       }
+
        /* Warn to see if there's any stray references */
        WARN(1,"register: %x, value: %x\n", reg, val);
 }