From: Christoph Lameter <cl@linux.com>
To: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
linux-mm@kvack.org
Subject: Re: [patch] mm, mempolicy: make mempolicies robust against errors
Date: Thu, 26 Apr 2012 09:58:26 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1204260956010.16059@router.home> (raw)
In-Reply-To: <alpine.DEB.2.00.1203062151530.6424@chino.kir.corp.google.com>
On Tue, 6 Mar 2012, David Rientjes wrote:
> That's not compiled for CONFIG_BUG=n; such a config fallsback to
> include/asm-generic/bug.h which just does
>
> #define BUG() do {} while (0)
>
> because CONFIG_BUG specifically _wants_ to bypass BUG()s and is reasonably
> protected by CONFIG_EXPERT.
Why would anyone do this? IMHO if you disable CONFIG_BUG and things
explode then its your fault.
If we must have the ability then make BUG() fallback to something that
quiets down the compiler (and set some kind of an "idiot" flag in the
tainted flags please so that we can ignore bug reports like that).
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next prev parent reply other threads:[~2012-04-26 14:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-04 21:43 [patch] mm, mempolicy: dummy slab_node return value for bugless kernels David Rientjes
2012-03-06 20:15 ` Rafael Aquini
2012-03-07 0:08 ` Andrew Morton
2012-03-07 0:55 ` Rafael Aquini
2012-03-07 4:25 ` David Rientjes
2012-03-07 4:29 ` [patch] mm, mempolicy: make mempolicies robust against errors David Rientjes
2012-03-07 5:30 ` KOSAKI Motohiro
2012-03-07 5:58 ` David Rientjes
2012-03-07 6:34 ` KOSAKI Motohiro
2012-03-07 6:56 ` David Rientjes
2012-03-07 16:24 ` KOSAKI Motohiro
2012-03-07 21:06 ` David Rientjes
2012-03-08 23:51 ` Andrew Morton
2012-04-26 14:58 ` Christoph Lameter [this message]
2012-03-07 11:12 ` [patch] mm, mempolicy: dummy slab_node return value for bugless kernels Glauber Costa
2012-03-07 21:04 ` David Rientjes
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