linux-kernel - Re: [PATCH] call sysrq_timer_list

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Message-ID: <20080108144130.GB21287@fattire.cabal.ca>
Date:	Tue, 8 Jan 2008 09:41:30 -0500
From:	Kyle McMartin <kyle@...artin.ca>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, mingo@...hat.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] call sysrq_timer_list_show from a workqueue

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@...tcorp.com.au>
> 

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

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

cheers, Kyle
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