linux-kernel - Re: [PATCH v1 2/2] kvm: x86: Expose Intel VPOPCNTDQ feature to guest

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Message-ID: <20170120180026.GF6291@potion>
Date:   Fri, 20 Jan 2017 19:00:27 +0100
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Piotr Luc <piotr.luc@...el.com>
Cc:     x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] kvm: x86: Expose Intel VPOPCNTDQ feature to guest

2017-01-10 18:34+0100, Piotr Luc:
> Vector population count instructions for dwords and qwords are to be
> used in future Intel Xeon & Xeon Phi processors. The bit 14 of
> CPUID[level:0x07, ECX] indicates that the new instructions are
> supported by a processor.
> 
> The spec can be found in the Intel Software Developer Manual (SDM)
> or in the Instruction Set Extensions Programming Reference (ISE).
> 
> Signed-off-by: Piotr Luc <piotr.luc@...el.com>
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Radim Krčmář <rkrcmar@...hat.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: x86@...nel.org
> Cc: kvm@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---

Applied on top of tglx's branch in kvm/next,
thanks to both.