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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Feb 2025 09:13:46.9674 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1b43e718-98c6-45d7-c5c7-08dd57d834fe 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: BN2PEPF0000449F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6953 Exceptions cannot be explicitly injected from Hypervisor to Secure AVIC guests. So, clear exceptions intercepts so that all exceptions are routed directly to such guests. Signed-off-by: Neeraj Upadhyay --- arch/x86/kvm/svm/sev.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index d8413c7f4832..5106afc40cc8 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -4786,8 +4786,17 @@ static void sev_es_init_vmcb(struct vcpu_svm *svm) set_msr_interception(vcpu, svm->msrpm, MSR_EFER, 1, 1); set_msr_interception(vcpu, svm->msrpm, MSR_IA32_CR_PAT, 1, 1); - if (sev_savic_active(vcpu->kvm)) + if (sev_savic_active(vcpu->kvm)) { set_msr_interception(vcpu, svm->msrpm, MSR_AMD64_SECURE_AVIC_CONTROL, 1, 1); + + /* Clear all exception intercepts. */ + clr_exception_intercept(svm, PF_VECTOR); + clr_exception_intercept(svm, UD_VECTOR); + clr_exception_intercept(svm, MC_VECTOR); + clr_exception_intercept(svm, AC_VECTOR); + clr_exception_intercept(svm, DB_VECTOR); + clr_exception_intercept(svm, GP_VECTOR); + } } void sev_init_vmcb(struct vcpu_svm *svm)