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From: Kyle McMartin <kyle@mcmartin.ca>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org, tglx@linutronix.de,
	mingo@redhat.com, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] call sysrq_timer_list_show from a workqueue
Date: Tue, 8 Jan 2008 09:41:30 -0500	[thread overview]
Message-ID: <20080108144130.GB21287@fattire.cabal.ca> (raw)
In-Reply-To: <200801082228.05218.rusty@rustcorp.com.au>

On Tue, Jan 08, 2008 at 10:28:04PM +1100, Rusty Russell wrote:
> De-mutex more symbol lookup paths in the module code
> 
> Kyle McMartin reports sysrq_timer_list_show() can hit the module
> mutex; these paths don't need to though, since we long ago changed all
> the module list manipulation to occur via stop_machine().
> 
> Disabling preemption is enough.
> 
> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
> 

ACK that it (obviously) fixes the lock checker spew.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>

cheers, Kyle

      parent reply	other threads:[~2008-01-08 14:41 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08  6:31 Kyle McMartin
2008-01-08  9:17 ` Ingo Molnar
2008-01-08 11:28   ` Rusty Russell
2008-01-08 11:33     ` Ingo Molnar
2008-01-08 11:50       ` Rusty Russell
2008-01-08 15:51         ` Ingo Molnar
2008-01-08 22:48           ` Rusty Russell
2008-01-08 22:52             ` Ingo Molnar
2008-01-09  0:21         ` Andrew Morton
2008-01-09  3:20           ` Rusty Russell
2008-01-09  3:33             ` Andrew Morton
2008-01-09  4:27               ` Rusty Russell
2008-01-09  4:45                 ` Andrew Morton
2008-01-09 15:24             ` Paulo Marques
2008-01-09 21:58               ` Rusty Russell
2008-01-08 14:41     ` Kyle McMartin [this message]

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