[PATCH v4 5/5] KVM: SVM: Enable shadow stack virtualization for SVM

John Allen posted 5 patches 1 day, 5 hours ago
[PATCH v4 5/5] KVM: SVM: Enable shadow stack virtualization for SVM
Posted by John Allen 1 day, 5 hours ago
Remove the explicit clearing of shadow stack CPU capabilities.

Reviewed-by: Chao Gao <chao.gao@intel.com>
Signed-off-by: John Allen <john.allen@amd.com>
---
v4:
  - Don't remove clearing of IBT feature.
---
 arch/x86/kvm/svm/svm.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index b18573b530aa..304531d6c8b0 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -5262,10 +5262,7 @@ static __init void svm_set_cpu_caps(void)
 	kvm_set_cpu_caps();
 
 	kvm_caps.supported_perf_cap = 0;
-	kvm_caps.supported_xss = 0;
 
-	/* KVM doesn't yet support CET virtualization for SVM. */
-	kvm_cpu_cap_clear(X86_FEATURE_SHSTK);
 	kvm_cpu_cap_clear(X86_FEATURE_IBT);
 
 	/* CPUID 0x80000001 and 0x8000000A (SVM features) */
-- 
2.47.3