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>

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);