linux-kernel - Re: [PATCH 0/3] KVM: x86: expose a few new features into VM.

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Message-ID: <ec45e69c-8c1f-b3f3-eab7-0734d0ce0800@intel.com>
Date:   Mon, 6 Aug 2018 16:17:03 +0800
From:   "Liu, Jingqi" <jingqi.liu@...el.com>
To:     pbonzini@...hat.com, rkrcmar@...hat.com, tglx@...utronix.de,
        mingo@...hat.com, hpa@...or.com
Cc:     x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        wei.w.wang@...el.com
Subject: Re: [PATCH 0/3] KVM: x86: expose a few new features into VM.

Hi Paolo,

Do you have any comments for the series ?
Thanks
Jingqi

On 7/10/2018 4:54 PM, Jingqi Liu wrote:
> A few new features including user wait (umwait, umonitor, tpause)
> and direct stores (movdiri and movdir64b) will be available in
> Intel Snow Ridge, and need to be exposed to guest VM.
>
> The release document ref below link:
> https://software.intel.com/sites/default/files/managed/c5/15/\
> architecture-instruction-set-extensions-programming-reference.pdf
>
> This series expose umonitor,umwait, tpause, movdiri and movdir64b
> features to guest VM.
>
> Jingqi Liu (3):
>    KVM: x86: expose UMWAIT/UMONITOR/TPAUSE CPU features into VM.
>    KVM: x86: expose MOVDIRI CPU feature into VM.
>    KVM: x86: expose MOVDIR64B CPU feature into VM.
>
>   arch/x86/kvm/cpuid.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>