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Subject: Re: [PATCH -next] x86/mm/pat: silence a data race in cpa_4k_install
From:   Qian Cai <cai@lca.pw>
In-Reply-To: <20200121152853.GI7808@zn.tnic>
Date:   Tue, 21 Jan 2020 10:33:37 -0500
Cc:     Marco Elver <elver@google.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        the arch/x86 maintainers <x86@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
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References: <20200121151503.2934-1-cai@lca.pw>
 <CANpmjNPR+mbadR0DDKGUhTkaXJi=vsHmhvq3+Rz0Hrx=E9V_Qg@mail.gmail.com>
 <20200121152853.GI7808@zn.tnic>
To:     Borislav Petkov <bp@alien8.de>
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> On Jan 21, 2020, at 10:28 AM, Borislav Petkov <bp@alien8.de> wrote:
>=20
> On Tue, Jan 21, 2020 at 04:19:22PM +0100, Marco Elver wrote:
>> Could you remove the verbatim copy of my email? Maybe something like:
>>=20
>> "Increments to cpa_4k_install may happen concurrently, as detected by =
KCSAN:
>>=20
>> <....... the stack traces ......>
>=20
> ... and drop the stack traces and fix your subject to say what you're
> actually "fixing".

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x86/mm/pat: silence an data race for KCSAN=