linux-kernel - Re: [PATCH v1 0/2] vpopcntdq support

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Message-ID: <bb58b1a6-1e63-61db-da49-2173f7c730e1@redhat.com>
Date:   Tue, 10 Jan 2017 18:39:08 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Piotr Luc <piotr.luc@...el.com>, x86@...nel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 0/2] vpopcntdq support



On 10/01/2017 18:34, Piotr Luc wrote:
> Hi,
> 
> This patchset adds the support for new CPUID feature bit that announces the
> vector population count instructions for dwords and qwords.
> 
> The path 1/2 adds new feature flags and handles clearing the feature bit in
> case xsave is not enabled.
> 
> The patch 2/2 enables passing the feature bit to a kvm/quemu guest.
> 
> The patchset is based on v4.10-rc3.

Thanks.  I can use a topic branch for patch 1 to apply patch 2.

Regards,

Paolo

> Regards,
> Piotr
> 
> Piotr Luc (2):
>   x86/cpufeature: Add AVX512_VPOPCNTDQ feature
>   kvm: x86: Expose Intel VPOPCNTDQ feature to guest
> 
>  arch/x86/include/asm/cpufeatures.h       | 2 +-
>  arch/x86/kernel/fpu/xstate.c             | 1 +
>  arch/x86/kvm/cpuid.c                     | 2 +-
>  tools/arch/x86/include/asm/cpufeatures.h | 1 +
>  4 files changed, 4 insertions(+), 2 deletions(-)
>