This patch implements the reporting of the nested paging feature support to userspace.
Signed-off-by: Joerg Roedel <[email protected]> --- arch/x86/kvm/svm.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index fe1398e..ce71023 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3289,6 +3289,16 @@ static void svm_cpuid_update(struct kvm_vcpu *vcpu) static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry) { + switch (func) { + case 0x8000000A: + if (!npt_enabled) + break; + + /* NPT feature is supported by Nested SVM */ + entry->edx = SVM_FEATURE_NPT; + + break; + } } static const struct trace_print_flags svm_exit_reasons_str[] = { -- 1.7.0 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
