linux-kernel - Re: [linux-pm] [GIT PULL] One more power management fix for 2.6.37

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Date:	Mon, 15 Nov 2010 10:20:21 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [linux-pm] [GIT PULL] One more power management fix for 2.6.37

On Wed, 10 Nov 2010, Rafael J. Wysocki wrote:

> What about applying the patch below now and moving to the multiple list heads
> approach in the next cycle?
> 
> Rafael
> 
> ---
> From: Rafael J. Wysocki <rjw@...k.pl>
> Subject: PM: Allow devices to be removed during late suspend and early resume
> 
> Holding dpm_list_mtx across late suspend and early resume of devices
> is problematic for the PCMCIA subsystem and doesn't allow device
> objects to be removed by late suspend and early resume driver
> callbacks.  This appears to be overly restrictive, as drivers are
> generally allowed to remove device objects in other phases of suspend
> and resume.  Therefore rework dpm_{suspend|resume}_noirq() so that
> they don't have to hold dpm_list_mtx all the time.

This looks okay to me.  Just like the other routines.

Alan Stern

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