linux-kernel - Re: RCU bug with v3.17-rc3 ?

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Message-ID: <543984A8.8050701@mentor.com>
Date:	Sat, 11 Oct 2014 14:27:36 -0500
From:	Nathan Lynch <Nathan_Lynch@...tor.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
CC:	Rik van Riel <riel@...hat.com>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Felipe Balbi <balbi@...com>, <josh@...htriplett.org>,
	Rabin Vincent <rabin@....in>,
	Alan Stern <stern@...land.harvard.edu>,
	Johannes Weiner <hannes@...xchg.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: RCU bug with v3.17-rc3 ?

On 10/10/2014 08:44 PM, Nathan Lynch wrote:
> On 10/10/2014 11:25 AM, Russell King - ARM Linux wrote:
>>
>> Right, so GCC 4.8.{1,2} are totally unsuitable for kernel building (and
>> it seems that this has been known about for some time.)
> 
> Looking at http://gcc.gnu.org/PR58854 it seems that all 4.8.x for x < 3
> are affected, as well as 4.9.0.

Correction -- 4.9.0 has this fixed, even though the GCC PR shows it as a
"known to fail" version.

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