linux-kernel - Re: [PATCH v5 3/7] x86/cpufeatures: Add AMD feature bits for Speculation Control

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Message-ID: <20180125214109.ggu4gfnmnsp3sirr@pd.tnic>
Date:   Thu, 25 Jan 2018 22:41:10 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     David Woodhouse <dwmw@...zon.co.uk>,
        Tom Lendacky <thomas.lendacky@....com>
Cc:     arjan@...ux.intel.com, tglx@...utronix.de, karahmed@...zon.de,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        tim.c.chen@...ux.intel.com, peterz@...radead.org,
        pbonzini@...hat.com, ak@...ux.intel.com,
        torvalds@...ux-foundation.org, gregkh@...ux-foundation.org,
        dave.hansen@...el.com, gnomes@...rguk.ukuu.org.uk,
        ashok.raj@...el.com, mingo@...nel.org
Subject: Re: [PATCH v5 3/7] x86/cpufeatures: Add AMD feature bits for
 Speculation Control

On Thu, Jan 25, 2018 at 10:30:48PM +0100, Borislav Petkov wrote:
> #define X86_FEATURE_STIBP		(13*32+15) /* Single Thread Indirect Branch Predictors */

... and your 2/7 has X86_FEATURE_STIBP already for the Intel side.

Oh well, X86_FEATURE_AMD_STIBP it is. Unless Tom has a better idea.

Thx.

-- 
Regards/Gruss,
    Boris.

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