From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH 2/7] x86/msr: add definitions for indirect branch predictor MSRs Date: Mon, 8 Jan 2018 13:35:29 -0500 Message-ID: <20180108183529.GD17375@char.us.oracle.com> References: <1515434925-10250-1-git-send-email-pbonzini@redhat.com> <1515434925-10250-3-git-send-email-pbonzini@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, jmattson@google.com, aliguori@amazon.com, thomas.lendacky@amd.com, dwmw@amazon.co.uk, bp@alien8.de To: Paolo Bonzini Return-path: Content-Disposition: inline In-Reply-To: <1515434925-10250-3-git-send-email-pbonzini@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 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 > --- > 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 > >