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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2023 20:03:51.1419 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0df1a071-ed1f-4a8e-4ff8-08dbc9cc05ef 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: DS2PEPF0000343E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ1PR12MB6122 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If the CPU supports CET, add CET XSAVES feature bits to the supported_xss mask. Signed-off-by: John Allen Reviewed-by: Maxim Levitsky --- arch/x86/kvm/svm/svm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 00a8cef3cbb8..f63b2bbac542 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -5151,6 +5151,10 @@ static __init void svm_set_cpu_caps(void) boot_cpu_has(X86_FEATURE_AMD_SSBD)) kvm_cpu_cap_set(X86_FEATURE_VIRT_SSBD); =20 + if (kvm_cpu_cap_has(X86_FEATURE_SHSTK)) + kvm_caps.supported_xss |=3D XFEATURE_MASK_CET_USER | + XFEATURE_MASK_CET_KERNEL; + if (enable_pmu) { /* * Enumerate support for PERFCTR_CORE if and only if KVM has --=20 2.40.1