| Message ID | bug-206579-28872-lDJ9nWA50q@https.bugzilla.kernel.org/ (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [Bug,206579] KVM with passthrough generates "BUG: kernel NULL pointer dereference" and crashes | expand |
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index b51b362a9736..81c2cfa96b69 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2162,6 +2162,9 @@ static void avic_set_running(struct kvm_vcpu *vcpu, bool is_run) { struct vcpu_svm *svm = to_svm(vcpu); + if (svm->avic_is_running == is_run) + return; + svm->avic_is_running = is_run; if (is_run)
https://bugzilla.kernel.org/show_bug.cgi?id=206579 --- Comment #43 from Paolo Bonzini (bonzini@gnu.org) --- Hey, this should fix the warning (not sure because it's untested and I'd wait for Suravee to confirm it's the intended behavior): avic_vcpu_load(vcpu, vcpu->cpu);