linux-kernel - Re: [PATCH v5 03/13] KVM: x86: Add arch LBR MSRs to msrs_to_save

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Date:   Mon, 12 Jul 2021 16:55:19 +0800
From:   Yang Weijiang <weijiang.yang@...el.com>
To:     Jim Mattson <jmattson@...gle.com>
Cc:     Yang Weijiang <weijiang.yang@...el.com>, pbonzini@...hat.com,
        seanjc@...gle.com, vkuznets@...hat.com, wei.w.wang@...el.com,
        like.xu.linux@...il.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 03/13] KVM: x86: Add arch LBR MSRs to msrs_to_save_all
 list

On Fri, Jul 09, 2021 at 11:24:46AM -0700, Jim Mattson wrote:
> On Fri, Jul 9, 2021 at 2:51 AM Yang Weijiang <weijiang.yang@...el.com> wrote:
> >
> > Arch LBR MSR_ARCH_LBR_DEPTH and MSR_ARCH_LBR_CTL are {saved|restored}
> > by userspace application if they're available.
> >
> > Suggested-by: Jim Mattson <jmattson@...gle.com>
> > Signed-off-by: Yang Weijiang <weijiang.yang@...el.com>
> Reviewed-by: Jim Mattson <jmattson@...gle.com>
Thanks Jim for review!