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authorJoerg Roedel <joerg.roedel@amd.com>2010-09-10 17:31:05 +0200
committerAvi Kivity <avi@redhat.com>2010-10-24 10:52:47 +0200
commit3d4aeaad8bb8f8084a414819934b73ab49c26c92 (patch)
tree528a6e48aa450be8dd78e44941b6ee98c20f198b /arch/x86/kvm
parent55c5e464fcc28ee763d40561abf2b259131dd703 (diff)
downloadop-kernel-dev-3d4aeaad8bb8f8084a414819934b73ab49c26c92.zip
op-kernel-dev-3d4aeaad8bb8f8084a414819934b73ab49c26c92.tar.gz
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>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/svm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index de1930e..36e6c88 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;
}
}
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