Am 03.03.2014 17:36, schrieb Paolo Bonzini:
Il 28/02/2014 20:47, Stefan Priebe ha scritto:
Hello,
i got this stack trace multiple times while using a vanilla 3.10.32
kernel and already sent it to the list in december but got no replies.
Please try the patch of commit 0dce7cd67fd9055c4a2ff278f8af1431e646d346:
Thanks - will try it. So this one should also go into 3.10.X
Stefan
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 1673940cf9c3..775702f649ca 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1355,7 +1355,7 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64
value)
vcpu->arch.apic_base = value;
/* update jump label if enable bit changes */
- if ((vcpu->arch.apic_base ^ value) & MSR_IA32_APICBASE_ENABLE) {
+ if ((old_value ^ value) & MSR_IA32_APICBASE_ENABLE) {
if (value & MSR_IA32_APICBASE_ENABLE)
static_key_slow_dec_deferred(&apic_hw_disabled);
else
Paolo
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