linux-kernel - Re: [PATCH 7/9] KVM/VMX: Emulate MSR_IA32_ARCH

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Date:   Fri, 16 Feb 2018 16:33:40 +0000
From:   David Woodhouse <dwmw2@...radead.org>
To:     Jim Mattson <jmattson@...gle.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kvm list <kvm@...r.kernel.org>,
        KarimAllah Ahmed <karahmed@...zon.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Subject: Re: [PATCH 7/9] KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES



On Fri, 2018-02-16 at 08:29 -0800, Jim Mattson wrote:
> On Fri, Feb 16, 2018 at 6:18 AM, Paolo Bonzini <pbonzini@...hat.com> wrote:
> 
> > Uhm, taking contents from the hardware is wrong (guess why---live
> > migration).  I'll send a revert of those two lines.
> 
> Hardware seems like a reasonable place to get the default value (cf.
> the VMX capability MSRs). Should these two lines just be moved to
> vmx_create_cpu?

They're already in vmx_create_cpu(). (Well, in vmx_cpu_setup() which is
a static function called only once, from vmx_create_cpu().)
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