From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Paolo Bonzini <pbonzini@redhat.com>
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
Subject: Re: [PATCH 2/7] x86/msr: add definitions for indirect branch predictor MSRs
Date: Mon, 8 Jan 2018 13:35:29 -0500 [thread overview]
Message-ID: <20180108183529.GD17375@char.us.oracle.com> (raw)
In-Reply-To: <1515434925-10250-3-git-send-email-pbonzini@redhat.com>
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
>
>
next prev parent reply other threads:[~2018-01-08 18:35 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 18:08 [PATCH 0/7] KVM: x86: expose CVE-2017-5715 ("Spectre variant 2") mitigations to guest Paolo Bonzini
2018-01-08 18:08 ` [PATCH 1/7] KVM: x86: add SPEC_CTRL and IBPB_SUPPORT accessors Paolo Bonzini
2018-01-08 18:33 ` Konrad Rzeszutek Wilk
2018-01-08 19:09 ` Liran Alon
2018-01-09 10:32 ` Paolo Bonzini
2018-01-09 11:14 ` David Hildenbrand
2018-01-09 11:18 ` Paolo Bonzini
2018-01-08 18:08 ` [PATCH 2/7] x86/msr: add definitions for indirect branch predictor MSRs Paolo Bonzini
2018-01-08 18:35 ` Konrad Rzeszutek Wilk [this message]
2018-01-08 18:52 ` Jim Mattson
2018-01-08 19:10 ` Liran Alon
2018-01-08 18:08 ` [PATCH 3/7] kvm: vmx: pass MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD down to the guest Paolo Bonzini
2018-01-08 18:43 ` Konrad Rzeszutek Wilk
2018-01-08 19:18 ` Jim Mattson
2018-01-08 20:23 ` Liran Alon
2018-01-08 22:32 ` Paolo Bonzini
2018-01-08 23:19 ` Jim Mattson
2018-01-09 10:11 ` Paolo Bonzini
2018-01-08 19:22 ` Liran Alon
2018-01-08 19:41 ` David Woodhouse
2018-01-08 22:33 ` Paolo Bonzini
2018-01-08 22:09 ` Ashok Raj
2018-01-08 22:25 ` Paolo Bonzini
2018-01-11 2:47 ` Tim Chen
2018-01-11 10:41 ` Paolo Bonzini
2018-01-08 18:08 ` [PATCH 4/7] kvm: vmx: Set IBPB when running a different VCPU Paolo Bonzini
2018-01-08 19:23 ` Liran Alon
2018-01-08 19:36 ` Jim Mattson
2018-01-09 8:33 ` Paolo Bonzini
2018-01-09 11:01 ` David Hildenbrand
2018-01-08 18:08 ` [PATCH 5/7] kvm: svm: pass MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD down to guest Paolo Bonzini
2018-01-08 19:41 ` Liran Alon
2018-01-08 18:08 ` [PATCH 6/7] x86/svm: Set IBPB when running a different VCPU Paolo Bonzini
2018-01-08 20:00 ` Liran Alon
2018-01-09 11:07 ` Paolo Bonzini
2018-01-08 18:08 ` [PATCH 7/7] KVM: x86: add SPEC_CTRL and IBPB_SUPPORT to MSR and CPUID lists Paolo Bonzini
2018-01-08 20:07 ` Liran Alon
2018-01-08 20:15 ` Jim Mattson
2018-01-09 10:15 ` [PATCH 0/7] KVM: x86: expose CVE-2017-5715 ("Spectre variant 2") mitigations to guest Thomas Gleixner
2018-01-09 11:12 ` Paolo Bonzini
2018-01-09 12:03 ` Thomas Gleixner
2018-01-09 14:06 ` Paolo Bonzini
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