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Date: Thu, 12 Oct 2017 11:02:52 +0200
From: Borislav Petkov <bp@alien8.de>
To: Andi Kleen <ak@linux.intel.com>
Cc: "Luck, Tony" <tony.luck@intel.com>, Jeremy Cline <jcline@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
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        linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org,
        Laura Abbott <labbott@redhat.com>
Subject: Re: x86/mce: suspicious RCU usage in 4.13.4
Message-ID: <20171012090252.ck5xhltcm36rldb7@pd.tnic>
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On Wed, Oct 11, 2017 at 04:11:37PM -0700, Andi Kleen wrote:
> Sorry I take back what I wrote earlier. This RCU is actually still needed,
> otherwise the reader could see partially written entries.

Why? All the readers and writers take the mutex now.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.