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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jens Axboe <jaxboe@fusionio.com>
Subject: Re: [PATCH] tty: add lockdep annotations
Date: Thu, 31 May 2012 13:59:38 +0200	[thread overview]
Message-ID: <1338465578.2760.1340.camel@edumazet-glaptop> (raw)
In-Reply-To: <alpine.LRH.2.00.1205311343080.14604@twin.jikos.cz>

On Thu, 2012-05-31 at 13:45 +0200, Jiri Kosina wrote:
> On Thu, 31 May 2012, Eric Dumazet wrote:
> 
> > From: Eric Dumazet <edumazet@google.com>
> > 
> > tty_lock_pair() do the right thing to avoid deadlocks, but should
> > instruct LOCKDEP of this to avoid a splat. 
> 
> I have submitted very similar patch to Greg/Alan already 3 days ago[1], 
> but have been told that this is already fixed. Apparently it wasn't?
> 
> [1] https://lkml.org/lkml/2012/5/28/226

I saw that right now.

Not sure your patch is the right fix with hard coded 1 and 2 values ?

0 and 1 should be enough.





  reply	other threads:[~2012-05-31 11:59 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-30 12:54 [GIT PULL] Block driver bits for 3.5 Jens Axboe
2012-05-30 18:33 ` Eric Dumazet
2012-05-30 18:55   ` Jens Axboe
2012-05-30 19:08     ` Eric Dumazet
2012-05-30 19:17       ` Jens Axboe
2012-05-30 20:35       ` Eric Dumazet
2012-05-30 20:58         ` Linus Torvalds
2012-05-31  9:35         ` [PATCH] tty: add lockdep annotations Eric Dumazet
2012-05-31 11:45           ` Jiri Kosina
2012-05-31 11:59             ` Eric Dumazet [this message]
2012-06-01 18:17           ` Eric Dumazet
2012-06-01 18:51             ` Linus Torvalds
2012-06-01 20:38               ` Alan Cox
2012-06-01 20:46                 ` Eric Dumazet
2012-06-01 20:44               ` Eric Dumazet
2012-06-01 20:56                 ` Alan Cox
2012-06-01 20:59                   ` Eric Dumazet
2012-06-02  7:17                     ` Eric Dumazet
2012-06-02  7:55                       ` Eric Dumazet
2012-06-02  8:01                         ` Eric Dumazet
2012-06-02 11:57                           ` Alan Cox
2012-06-02 12:30                             ` Eric Dumazet
2012-06-02 18:38                               ` Linus Torvalds
2012-06-02 19:59                                 ` Linus Torvalds
2012-06-02 20:01                                   ` Linus Torvalds
2012-06-02 20:19                                   ` Alan Cox
2012-06-02 22:25                                     ` Linus Torvalds
2012-06-02 23:02                                       ` Alan Cox
2012-06-02 23:14                                         ` Linus Torvalds
2012-06-03  1:37                                       ` Linus Torvalds
2012-06-03 13:06                                         ` Alan Cox
2012-06-03 13:24                                         ` Alan Cox
2012-06-03 19:44                                       ` Eric Dumazet
2012-06-02 20:00                                 ` Alan Cox
2012-05-31 10:38         ` [PATCH] block: avoid infinite loop in get_task_io_context() Eric Dumazet
2012-05-31 10:47           ` Jens Axboe
2012-05-31 10:51             ` Eric Dumazet
2012-05-31 10:56               ` Jens Axboe
2012-06-01  5:06           ` Tejun Heo

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