If the CPU supports CET, add CET XSAVES feature bits to the
supported_xss mask.
Signed-off-by: John Allen <john.allen@xxxxxxx>
---
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)) {
+ 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
