---

yaml --- r: 146545 b: refs/heads/master c: 463656c h: refs/heads/master i: 146543: 6efed43 v: v3
git-mirror · Jun 10, 2009 · 0a29c93 · 0a29c93
1 parent 25be7b2
commit 0a29c93
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Showing 2 changed files with 7 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8317c298eab14cc20e2de5289743ff0d4c5a6b30
+refs/heads/master: 463656c0007ddccee78db383eeb9e6eac75ccb7f
diff --git a/trunk/arch/x86/kvm/x86.c b/trunk/arch/x86/kvm/x86.c
@@ -631,16 +631,17 @@ static void kvm_write_guest_time(struct kvm_vcpu *v)
 	unsigned long flags;
 	struct kvm_vcpu_arch *vcpu = &v->arch;
 	void *shared_kaddr;
+	unsigned long this_tsc_khz;
 
 	if ((!vcpu->time_page))
 		return;
 
-	preempt_disable();
-	if (unlikely(vcpu->hv_clock_tsc_khz != __get_cpu_var(cpu_tsc_khz))) {
-		kvm_set_time_scale(__get_cpu_var(cpu_tsc_khz), &vcpu->hv_clock);
-		vcpu->hv_clock_tsc_khz = __get_cpu_var(cpu_tsc_khz);
+	this_tsc_khz = get_cpu_var(cpu_tsc_khz);
+	if (unlikely(vcpu->hv_clock_tsc_khz != this_tsc_khz)) {
+		kvm_set_time_scale(this_tsc_khz, &vcpu->hv_clock);
+		vcpu->hv_clock_tsc_khz = this_tsc_khz;
 	}
-	preempt_enable();
+	put_cpu_var(cpu_tsc_khz);
 
 	/* Keep irq disabled to prevent changes to the clock */
 	local_irq_save(flags);