Messages in this thread Patch in this message | | | From | John Allen <> | Subject | [PATCH v2 9/9] KVM: SVM: Add CET features to supported_xss | Date | Mon, 26 Feb 2024 21:32:44 +0000 |
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If the CPU supports CET, add CET XSAVES feature bits to the supported_xss mask.
Signed-off-by: John Allen <john.allen@amd.com> --- 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 1181f017c173..d97d82ebec4a 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -5177,6 +5177,10 @@ static __init void svm_set_cpu_caps(void) boot_cpu_has(X86_FEATURE_AMD_SSBD)) kvm_cpu_cap_set(X86_FEATURE_VIRT_SSBD); + if (kvm_cpu_cap_has(X86_FEATURE_SHSTK)) + kvm_caps.supported_xss |= XFEATURE_MASK_CET_USER | + XFEATURE_MASK_CET_KERNEL; + if (enable_pmu) { /* * Enumerate support for PERFCTR_CORE if and only if KVM has -- 2.40.1
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