From: Glauber Costa <[EMAIL PROTECTED]>
Use LSB of the address passed through the msr to enable/disable
the clock. Setting it to 1 enables it, setting it to 0 disables it.
Signed-off-by: Glauber Costa <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 7c481a3..f654a12 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -125,7 +125,7 @@ static int kvm_register_clock(void)
{
int cpu = smp_processor_id();
int low, high;
- low = (int)__pa(&per_cpu(hv_clock, cpu));
+ low = (int)__pa(&per_cpu(hv_clock, cpu)) | 1;
high = ((u64)__pa(&per_cpu(hv_clock, cpu)) >> 32);
return native_write_msr_safe(MSR_KVM_SYSTEM_TIME, low, high);
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