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| author | Joerg Roedel <joerg.roedel@amd.com> | 2010-09-10 19:31:05 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 12:52:47 +0400 |
| commit | 3d4aeaad8bb8f8084a414819934b73ab49c26c92 (patch) | |
| tree | 528a6e48aa450be8dd78e44941b6ee98c20f198b | |
| parent | 55c5e464fcc28ee763d40561abf2b259131dd703 (diff) | |
| download | linux-3d4aeaad8bb8f8084a414819934b73ab49c26c92.tar.xz | |
KVM: SVM: Report Nested Paging support to userspace
This patch implements the reporting of the nested paging
feature support to userspace.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index de1930ee2abb..36e6c88913dc 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3481,6 +3481,10 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry) if (svm_has(SVM_FEATURE_NRIP)) entry->edx |= SVM_FEATURE_NRIP; + /* Support NPT for the guest if enabled */ + if (npt_enabled) + entry->edx |= SVM_FEATURE_NPT; + break; } } |