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| author | Joerg Roedel | 2010-09-10 17:31:06 +0200 |
|---|---|---|
| committer | Avi Kivity | 2010-10-24 10:52:48 +0200 |
| commit | 4c62a2dc92518c5adf434df8e5c2283c6762672a (patch) | |
| tree | 610ba76b930c0d126a72871ba15b35c89b06fbc3 /arch/x86/kvm/x86.c | |
| parent | KVM: SVM: Report Nested Paging support to userspace (diff) | |
| download | kernel-qcow2-linux-4c62a2dc92518c5adf434df8e5c2283c6762672a.tar.gz kernel-qcow2-linux-4c62a2dc92518c5adf434df8e5c2283c6762672a.tar.xz kernel-qcow2-linux-4c62a2dc92518c5adf434df8e5c2283c6762672a.zip | |
KVM: X86: Report SVM bit to userspace only when supported
This patch fixes a bug in KVM where it _always_ reports the
support of the SVM feature to userspace. But KVM only
supports SVM on AMD hardware and only when it is enabled in
the kernel module. This patch fixes the wrong reporting.
Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bbd9f4af4449..3ff0a8ff275c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2209,7 +2209,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, 0 /* Reserved, AES */ | F(XSAVE) | 0 /* OSXSAVE */ | F(AVX); /* cpuid 0x80000001.ecx */ const u32 kvm_supported_word6_x86_features = - F(LAHF_LM) | F(CMP_LEGACY) | F(SVM) | 0 /* ExtApicSpace */ | + F(LAHF_LM) | F(CMP_LEGACY) | 0 /*SVM*/ | 0 /* ExtApicSpace */ | F(CR8_LEGACY) | F(ABM) | F(SSE4A) | F(MISALIGNSSE) | F(3DNOWPREFETCH) | 0 /* OSVW */ | 0 /* IBS */ | F(SSE5) | 0 /* SKINIT */ | 0 /* WDT */; |