Date: Wed, 29 Oct 2008 09:34:34 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Huang Ying <ying.huang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATH -mm -v2] Fix a race condtion of oops_in_progress
Message-ID: <20081029083434.GC6364@elte.hu>
References: <1225268796.24095.48.camel@yhuang-dev.sh.intel.com>
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* Huang Ying <ying.huang@intel.com> wrote:

> Fix a race condition accessing oops_in_progress.  Which may be 
> changed on multiple CPU simultaneously, but it is changed via 
> non-atomic operation ++/--.  This patch changes the definition of 
> oops_in_process from int to atomic_t, and accessing method to atomic 
> operations.
> 
> 
> ChangeLog
> 
> v2:
> 
> - Includes fixes from Andrew Moton.
> 
> - Re-based on Matthew Wilcox's new atomic_t patch.

hm, there are a couple of places now that do atomic_set(,1) - they 
should be atomic_inc(), correct?

	Ingo
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