KVM: vmx: Emulate MSR IA32_UMWAIT_CONTROL

[linux.git] / arch / x86 / kernel / cpu / umwait.c

diff --git a/arch/x86/kernel/cpu/umwait.c b/arch/x86/kernel/cpu/umwait.c
index 32b4dc9030aa9fbcd482b39ef427b5804ec6499c..c222f283b456089c45dfc14702fea12aeb3e0cd2 100644 (file)
--- a/arch/x86/kernel/cpu/umwait.c
+++ b/arch/x86/kernel/cpu/umwait.c
@@ -17,6 +17,12 @@
  */
 static u32 umwait_control_cached = UMWAIT_CTRL_VAL(100000, UMWAIT_C02_ENABLE);
 
+u32 get_umwait_control_msr(void)
+{
+       return umwait_control_cached;
+}
+EXPORT_SYMBOL_GPL(get_umwait_control_msr);
+
 /*
  * Cache the original IA32_UMWAIT_CONTROL MSR value which is configured by
  * hardware or BIOS before kernel boot.