]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
KVM: VMX: Also clear SGX EDECCSSA in KVM CPU caps when SGX is disabled
authorKai Huang <kai.huang@intel.com>
Thu, 5 Sep 2024 12:08:37 +0000 (00:08 +1200)
committerSean Christopherson <seanjc@google.com>
Tue, 10 Sep 2024 03:13:55 +0000 (20:13 -0700)
When SGX EDECCSSA support was added to KVM in commit 16a7fe3728a8
("KVM/VMX: Allow exposing EDECCSSA user leaf function to KVM guest"), it
forgot to clear the X86_FEATURE_SGX_EDECCSSA bit in KVM CPU caps when
KVM SGX is disabled.  Fix it.

Fixes: 16a7fe3728a8 ("KVM/VMX: Allow exposing EDECCSSA user leaf function to KVM guest")
Signed-off-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/r/20240905120837.579102-1-kai.huang@intel.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
arch/x86/kvm/vmx/vmx.c

index 594db9afbc0fb40ad0ff21ca42bffed11d943f15..98d737e0d416b5543bf054f364fce36c32876fe4 100644 (file)
@@ -7963,6 +7963,7 @@ static __init void vmx_set_cpu_caps(void)
                kvm_cpu_cap_clear(X86_FEATURE_SGX_LC);
                kvm_cpu_cap_clear(X86_FEATURE_SGX1);
                kvm_cpu_cap_clear(X86_FEATURE_SGX2);
+               kvm_cpu_cap_clear(X86_FEATURE_SGX_EDECCSSA);
        }
 
        if (vmx_umip_emulated())