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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jun 2022 14:27:45.1855 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: da666443-c178-4b50-0226-08da44a40f8e X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT010.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4307 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In the VNMI case, Report NMI is not allowed when the processor set the V_NMI_MASK to 1 which means the Guest is busy handling VNMI. Signed-off-by: Santosh Shukla --- arch/x86/kvm/svm/svm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index d67a54517d95..a405e414cae4 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3483,6 +3483,9 @@ bool svm_nmi_blocked(struct kvm_vcpu *vcpu) struct vmcb *vmcb = svm->vmcb; bool ret; + if (is_vnmi_enabled(vmcb) && is_vnmi_mask_set(vmcb)) + return true; + if (!gif_set(svm)) return true; @@ -3618,6 +3621,9 @@ static void svm_enable_nmi_window(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); + if (is_vnmi_enabled(svm->vmcb) && is_vnmi_mask_set(svm->vmcb)) + return; + if ((vcpu->arch.hflags & (HF_NMI_MASK | HF_IRET_MASK)) == HF_NMI_MASK) return; /* IRET will cause a vm exit */ -- 2.25.1