netdev - Re: inconsistent lock state

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Message-ID: <1277103292.1875.331.camel@laptop>
Date:	Mon, 21 Jun 2010 08:54:52 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Sage Weil <sage@...dream.net>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"Paul E.McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	"David S.Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: inconsistent lock state

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

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