From: Wanpeng Li wanpengli@tencent.com
commit 99b82a1437cb31340dbb2c437a2923b9814a7b15 upstream.
According to SDM 27.2.4, Event delivery causes an APIC-access VM exit. Don't report internal error and freeze guest when event delivery causes an APIC-access exit, it is handleable and the event will be re-injected during the next vmentry.
Signed-off-by: Wanpeng Li wanpengli@tencent.com Message-Id: 1597827327-25055-2-git-send-email-wanpengli@tencent.com Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kvm/vmx.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 2f823f35dee5..d6bcbce6c15c 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -10128,6 +10128,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) (exit_reason != EXIT_REASON_EXCEPTION_NMI && exit_reason != EXIT_REASON_EPT_VIOLATION && exit_reason != EXIT_REASON_PML_FULL && + exit_reason != EXIT_REASON_APIC_ACCESS && exit_reason != EXIT_REASON_TASK_SWITCH)) { vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV;