linux-kernel - Re: [PATCH -next] x86/mm/pat: silence a data race in cpa_4k

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Message-ID: <20200123081625.GA10328@zn.tnic>
Date:   Thu, 23 Jan 2020 09:16:25 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Qian Cai <cai@....pw>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Marco Elver <elver@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] x86/mm/pat: silence a data race in cpa_4k_install

On Wed, Jan 22, 2020 at 09:15:07PM -0500, Qian Cai wrote:
> Okay, so which way should we move forward with this then? Borislav
> liked __no_kasan_or_inline and Peter liked data_race(). I personally
> like data_race() more because it has nothing to do with the GCC bug,
> but I realized my opinion has little weight here.

Do the data_race() thing, pls.

But do send after the merge window because latter should open next week
and we all will be busy and not review/apply new stuff.

Thx.

-- 
Regards/Gruss,
    Boris.

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