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Date: Tue, 1 May 2012 10:24:25 +0300 From: Gleb Natapov <gleb@...hat.com> To: "Michael S. Tsirkin" <mst@...hat.com> Cc: Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, davej@...hat.com Subject: Re: [PATCH] kvm: fix cpuid eax On Mon, Apr 30, 2012 at 05:39:03PM +0300, Michael S. Tsirkin wrote: > cpuid eax should return the max leaf so that > guests can find out the valid range. > This matches Xen et al. > > Tested using -cpu host. > > Signed-off-by: Michael S. Tsirkin <mst@...hat.com> Acked-by: Gleb Natapov <gleb@...hat.com> > --- > arch/x86/kvm/cpuid.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c > index 7d00d2d..bda4877 100644 > --- a/arch/x86/kvm/cpuid.c > +++ b/arch/x86/kvm/cpuid.c > @@ -397,7 +397,7 @@ static int do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, > case KVM_CPUID_SIGNATURE: { > char signature[12] = "KVMKVMKVM\0\0"; > u32 *sigptr = (u32 *)signature; > - entry->eax = 0; > + entry->eax = KVM_CPUID_FEATURES; > entry->ebx = sigptr[0]; > entry->ecx = sigptr[1]; > entry->edx = sigptr[2]; > -- > MST > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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