Messages in this thread | | | Date | Wed, 25 Jan 2023 00:51:31 +0000 | From | Sean Christopherson <> | Subject | Re: [RFC PATCH 7/7] KVM: SVM: Add CET features to supported_xss |
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On Wed, Oct 12, 2022, John Allen wrote: > 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 | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c > index b474c7e57139..b815865ad0fb 100644 > --- a/arch/x86/kvm/svm/svm.c > +++ b/arch/x86/kvm/svm/svm.c > @@ -5026,6 +5026,11 @@ 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)) {
No need for curly braces.
> + kvm_caps.supported_xss |= XFEATURE_MASK_CET_USER | > + XFEATURE_MASK_CET_KERNEL; > + } > + > /* AMD PMU PERFCTR_CORE CPUID */ > if (enable_pmu && boot_cpu_has(X86_FEATURE_PERFCTR_CORE)) > kvm_cpu_cap_set(X86_FEATURE_PERFCTR_CORE); > -- > 2.34.3 >
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