linux-kernel - Re: [PATCH v3 16/27] PPC: use helpers for rlimits

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Message-ID: <4B10E385.1030900@gmail.com>
Date:	Sat, 28 Nov 2009 09:47:01 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	mingo@...e.hu, nhorman@...driver.com, sfr@...b.auug.org.au,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	marcin.slusarz@...il.com, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, torvalds@...ux-foundation.org, oleg@...hat.com,
	James Morris <jmorris@...ei.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Paul Mackerras <paulus@...ba.org>, linuxppc-dev@...abs.org
Subject: Re: [PATCH v3 16/27] PPC: use helpers for rlimits

On 11/28/2009 01:19 AM, Benjamin Herrenschmidt wrote:
> On Sat, 2009-11-28 at 00:05 +0100, Jiri Slaby wrote:
>> Make sure compiler won't do weird things with limits. E.g. fetching
>> them twice may return 2 different values after writable limits are
>> implemented.
>>
>> I.e. either use newly added rlimit helpers or ACCESS_ONCE if not
>> applicable.
> 
> Thanks. I have that already queued up.

Are you sure? The previous version with ACCESS_ONCE was generally
NACKed. This one uses a newly added helper which is much more cleaner
way to do it.

thanks,
-- 
js
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