Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 115/132] KVM: VMX: Dont freeze guest when event delivery causes an APIC-access exit | Date | Tue, 15 Sep 2020 16:13:37 +0200 |
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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/vmx.c | 1 + 1 file changed, 1 insertion(+)
--- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -5895,6 +5895,7 @@ static int vmx_handle_exit(struct kvm_vc (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;
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