diff options
| -rw-r--r-- | arch/x86/kvm/vmx.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index d53f57a..a5b26a9 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8694,19 +8694,12 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu) /* Exposing INVPCID only when PCID is exposed */ best = kvm_find_cpuid_entry(vcpu, 0x7, 0); if (vmx_invpcid_supported() && - best && (best->ebx & bit(X86_FEATURE_INVPCID)) && - guest_cpuid_has_pcid(vcpu)) { + (!best || !(best->ebx & bit(X86_FEATURE_INVPCID)) || + !guest_cpuid_has_pcid(vcpu))) { exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); - exec_control |= SECONDARY_EXEC_ENABLE_INVPCID; - vmcs_write32(SECONDARY_VM_EXEC_CONTROL, - exec_control); - } else { - if (cpu_has_secondary_exec_ctrls()) { - exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); - exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID; - vmcs_write32(SECONDARY_VM_EXEC_CONTROL, - exec_control); - } + exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID; + vmcs_write32(SECONDARY_VM_EXEC_CONTROL, exec_control); + if (best) best->ebx &= ~bit(X86_FEATURE_INVPCID); } |
