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KVM: Fix cpuid feature misreporting

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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>
This commit is contained in:
Avi Kivity
2009-06-10 11:48:52 +03:00
parent d6a8c875f3
commit 8d753f369b
1 changed files with 5 additions and 2 deletions
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arch/x86/kvm/x86.c
+5 -2
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@@ -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);