KVM: VMX: Don't clear the vmcs if the vcpu is not loaded on any processor

Noted by Eddie Dong.

Signed-off-by: Avi Kivity <avi@qumranet.com>

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 27a3318..cc28442 100644 (file)
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -225,7 +225,9 @@ static void __vcpu_clear(void *arg)
 
 static void vcpu_clear(struct vcpu_vmx *vmx)
 {
-       if (vmx->vcpu.cpu != raw_smp_processor_id() && vmx->vcpu.cpu != -1)
+       if (vmx->vcpu.cpu == -1)
+               return;
+       if (vmx->vcpu.cpu != raw_smp_processor_id())
                smp_call_function_single(vmx->vcpu.cpu, __vcpu_clear,
                                         vmx, 0, 1);
        else