linux-kernel - Re: [PATCH] x86/CPU: Add X86_FEATURE

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Message-ID: <CALCETrXNHUS3dxy46k+zUq_uB=M1ie-23WvQyyf90wvK_uFTcA@mail.gmail.com>
Date:   Thu, 1 Dec 2016 09:00:11 -0800
From:   Andy Lutomirski <luto@...capital.net>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
        One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Brian Gerst <brgerst@...il.com>,
        Matthew Whitehead <tedheadster@...il.com>,
        Henrique de Moraes Holschuh <hmh@....eng.br>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] x86/CPU: Add X86_FEATURE_CPUID

On Thu, Dec 1, 2016 at 3:15 AM, Borislav Petkov <bp@...en8.de> wrote:
> On Thu, Dec 01, 2016 at 11:07:21AM +0100, Thomas Gleixner wrote:
>> Yes, that makes a lot of sense.
>
> Here it is:
>
> ---
> From: Borislav Petkov <bp@...e.de>
> Date: Thu, 1 Dec 2016 12:11:37 +0100
> Subject: [PATCH] x86/CPU: Add X86_FEATURE_CPUID
>
> Add a synthetic CPUID flag denoting whether the CPU sports the CPUID
> instruction or not. This will come useful later when accomodating
> CPUID-less CPUs.

Reviewed-by: Andy Lutomirski <luto@...nel.org>