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SubjectRe: inconsistent lock state
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On Fri, 2010-06-18 at 13:30 -0700, Andrew Morton wrote:
> From: Andrew Morton <akpm@linux-foundation.org>
>
> Fix a lockdep-splat-causing regression introduced by
>
> : commit 989a2979205dd34269382b357e6d4b4b6956b889
> : Author: Eric Dumazet <eric.dumazet@gmail.com>
> : AuthorDate: Wed Apr 14 09:55:35 2010 +0000
> : Commit: David S. Miller <davem@davemloft.net>
> : 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@gmail.com>
> Reported-by: Dominik Brodowski <linux@dominikbrodowski.net>
> Cc: Maciej Rutecki <maciej.rutecki@gmail.com>
> Cc: Eric Dumazet <eric.dumazet@gmail.com>
> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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


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