From: Andi Kleen <ak@linux.intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: "Luck, Tony" <tony.luck@intel.com>,
Jeremy Cline <jcline@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, 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
Date: Thu, 12 Oct 2017 15:13:51 -0700 [thread overview]
Message-ID: <20171012221351.GN5109@tassilo.jf.intel.com> (raw)
In-Reply-To: <20171012090252.ck5xhltcm36rldb7@pd.tnic>
On Thu, Oct 12, 2017 at 11:02:52AM +0200, Borislav Petkov wrote:
> 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.
Ok fair enough.
-Andi
prev parent reply other threads:[~2017-10-12 22:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-10 19:00 Jeremy Cline
2017-10-10 19:44 ` Borislav Petkov
2017-10-10 20:08 ` Luck, Tony
2017-10-10 20:13 ` Andi Kleen
2017-10-11 11:50 ` Borislav Petkov
2017-10-11 21:34 ` Luck, Tony
2017-10-15 9:40 ` Borislav Petkov
2017-10-16 18:28 ` Luck, Tony
2017-11-01 14:56 ` Laura Abbott
2017-11-01 16:47 ` Borislav Petkov
2017-11-01 20:07 ` Luck, Tony
2017-11-01 20:28 ` [tip:ras/urgent] x86/mcelog: Get rid of RCU remnants tip-bot for Borislav Petkov
2017-10-11 23:11 ` x86/mce: suspicious RCU usage in 4.13.4 Andi Kleen
2017-10-12 9:02 ` Borislav Petkov
2017-10-12 22:13 ` Andi Kleen [this message]
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