KVM: Fix cpuid feature misreporting

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>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a0faa4882f84..da3e65bfc6ee 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1254,9 +1254,12 @@ 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);