From: Prasad Joshi <prasadjoshi.linux@xxxxxxxxx> SVM lock features allows software from preventing update to EFER.SVME. Enable the SVM lock in guest if it is supported on host machine. Signed-off-by: Prasad Joshi <prasadjoshi.linux@xxxxxxxxx> --- arch/x86/kvm/svm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index e1b1ce2..fcdfdea 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4031,6 +4031,10 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry) if (boot_cpu_has(X86_FEATURE_NRIPS)) entry->edx |= SVM_FEATURE_NRIP; + /* support SVM Lock if host supports it */ + if (boot_cpu_has(X86_FEATURE_SVML)) + entry->edx |= SVM_FEATURE_SVML; + /* Support NPT for the guest if enabled */ if (npt_enabled) entry->edx |= SVM_FEATURE_NPT; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
