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authorAvi Kivity <avi@redhat.com>2009-08-03 14:57:57 -0300
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-08 20:33:33 -0700
commit01564e293011944c3cae1470b39c3697dac3c9b8 (patch)
treeead51c6eb058b8a3144df6e889d7123a09874f32 /arch/x86
parent424db486d8dd65c6ddc8b9e05dbe0a87eb5c8a87 (diff)
KVM: Fix cpuid feature misreporting
(cherry picked from commit 8d753f369bd28fff1706ffe9fb9fea4fd88cf85b) MTRR, PAT, MCE, and MCA are all supported (to some extent) but not reported. Vista requires these features, so if userspace relies on kernel cpuid reporting, it loses support for Vista. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/x86.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 607779f776a..769052f0a3f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1256,9 +1256,12 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |
bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |
bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |
+ bit(X86_FEATURE_MCE) |
bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |
- bit(X86_FEATURE_SEP) | bit(X86_FEATURE_PGE) |
- bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) |
+ bit(X86_FEATURE_SEP) | bit(X86_FEATURE_MTRR) |
+ bit(X86_FEATURE_PGE) | bit(X86_FEATURE_MCA) |
+ bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PAT) |
+ bit(X86_FEATURE_PSE36) |
bit(X86_FEATURE_CLFLSH) | bit(X86_FEATURE_MMX) |
bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_XMM) |
bit(X86_FEATURE_XMM2) | bit(X86_FEATURE_SELFSNOOP);