From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Priebe <s.priebe@profihost.ag>, kvm@vger.kernel.org
Subject: Re: 3.10.X kernel/jump_label kvm
Date: Mon, 03 Mar 2014 17:36:11 +0100 [thread overview]
Message-ID: <5314AF7B.10903@redhat.com> (raw)
In-Reply-To: <5310E7E8.1040508@profihost.ag>
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:
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
next prev parent reply other threads:[~2014-03-03 16:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-28 19:47 3.10.X kernel/jump_label kvm Stefan Priebe
2014-03-01 14:27 ` Andrey Korolyov
2014-03-01 18:44 ` Stefan Priebe
2014-03-03 16:36 ` Paolo Bonzini [this message]
2014-03-03 18:17 ` Stefan Priebe
2014-03-03 18:20 ` Paolo Bonzini
2014-03-04 10:01 ` Jan Kiszka
2014-03-04 10:26 ` Stefan Priebe - Profihost AG
2014-03-04 11:21 ` Jan Kiszka
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