Messages in this thread | | | Date | Mon, 8 Jan 2018 13:35:29 -0500 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH 2/7] x86/msr: add definitions for indirect branch predictor MSRs |
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On Mon, Jan 08, 2018 at 07:08:40PM +0100, Paolo Bonzini wrote: > KVM will start using them soon.
Perhaps include a bit of description? > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > arch/x86/include/asm/msr-index.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h > index 03ffde6217d0..ec08f1d8d39b 100644 > --- a/arch/x86/include/asm/msr-index.h > +++ b/arch/x86/include/asm/msr-index.h > @@ -39,6 +39,11 @@ > > /* Intel MSRs. Some also available on other CPUs */ > > +#define MSR_IA32_SPEC_CTRL 0x00000048 > + > +#define MSR_IA32_PRED_CMD 0x00000049 > +#define FEATURE_SET_IBPB (1UL << 0) > + > #define MSR_PPIN_CTL 0x0000004e > #define MSR_PPIN 0x0000004f > > -- > 1.8.3.1 > >
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