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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2022 06:15:45.4869 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3ab54a61-a281-4244-aa68-08da7a97c307 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: CO1NAM11FT007.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4644 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Inject the NMI by setting V_NMI in the VMCB interrupt control. processor will clear V_NMI to acknowledge processing has started and will keep the V_NMI_MASK set until the processor is done with processing the NMI event. Signed-off-by: Santosh Shukla --- v3: - Removed WARN_ON check. v2: - Added WARN_ON check for vnmi pending. - use `get_vnmi_vmcb` to get correct vmcb so to inject vnmi. arch/x86/kvm/svm/svm.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index e260e8cb0c81..8c4098b8a63e 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3479,7 +3479,14 @@ static void pre_svm_run(struct kvm_vcpu *vcpu) static void svm_inject_nmi(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); + struct vmcb *vmcb = NULL; + if (is_vnmi_enabled(svm)) { + vmcb = get_vnmi_vmcb(svm); + vmcb->control.int_ctl |= V_NMI_PENDING; + ++vcpu->stat.nmi_injections; + return; + } svm->vmcb->control.event_inj = SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_NMI; if (svm->nmi_l1_to_l2) -- 2.25.1