Re: inconsistent lock state

[Peter Zijlstra]

On Fri, 2010-06-18 at 13:30 -0700, Andrew Morton wrote:
> From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> 
> Fix a lockdep-splat-causing regression introduced by
> 
> : commit 989a2979205dd34269382b357e6d4b4b6956b889
> : Author:     Eric Dumazet <eric.dumazet@xxxxxxxxx>
> : AuthorDate: Wed Apr 14 09:55:35 2010 +0000
> : Commit:     David S. Miller <davem@xxxxxxxxxxxxx>
> : CommitDate: Wed Apr 21 16:19:29 2010 -0700
> : 
> :     fasync: RCU and fine grained locking
> 
> kill_fasync() can be called from both process and hard-irq context, so
> fa_lock must be taken with IRQs disabled.
> 
> Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16230
> 
> Reported-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
> Reported-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
> Cc: Maciej Rutecki <maciej.rutecki@xxxxxxxxx>
> Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
> Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
> Cc: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> 

Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
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