From: Avi Kivity Date: Mon, 3 Aug 2009 17:57:57 +0000 (-0300) Subject: KVM: Fix cpuid feature misreporting X-Git-Tag: v2.6.30.6~45 X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=01564e293011944c3cae1470b39c3697dac3c9b8;p=unionfs-2.6.39.y.git 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 Signed-off-by: Greg Kroah-Hartman --- 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);