linux-kernel - Re: [PATCH] KVM: vmx: Fix the broken usage of vmx_xsaves

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Message-ID: <CANRm+Cx2qsBJkauu9OryN7mR_dEgyha_KUZC=5-uqc5JoSgvPA@mail.gmail.com>
Date:   Thu, 20 Jun 2019 17:02:56 +0800
From:   Wanpeng Li <kernellwp@...il.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Xiaoyao Li <xiaoyao.li@...ux.intel.com>,
        Tao Xu <tao3.xu@...el.com>, Radim Krcmar <rkrcmar@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, kvm <kvm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] KVM: vmx: Fix the broken usage of vmx_xsaves_supported

On Thu, 20 Jun 2019 at 16:59, Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> On 20/06/19 10:55, Xiaoyao Li wrote:
> >
> >> However I may be wrong because I didn't review the code very closely:
> >> the old code is obvious and so there is no point in changing it.
> >
> > you mean this part about XSS_EXIT_BITMAP? how about the other part in
> > vmx_set/get_msr() in this patch?
>
> Yes, only the XSS_EXIT_BITMAP part.  The other is a bugfix, I didn't
> understand Wanpeng's objection very well.

https://lkml.org/lkml/2019/6/20/227 A more complete one.

Regards,
Wanpeng Li