linux-kernel - Re: [linux-pm] [2.6.30-rc1-git2 regressions] Hibernation broken and (minor but annoying) audio problem

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Message-ID: <49E0F98C.1090202@linux.intel.com>
Date:	Sat, 11 Apr 2009 13:11:56 -0700
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Len Brown <lenb@...nel.org>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Takashi Iwai <tiwai@...e.de>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-acpi@...r.kernel.org, Heinz Diehl <htd@...cy-poultry.org>,
	Arkadiusz Miskiewicz <a.miskiewicz@...il.com>,
	Vegard Nossum <vegard.nossum@...il.com>
Subject: Re: [linux-pm] [2.6.30-rc1-git2 regressions] Hibernation broken and
 (minor but annoying) audio problem

Linus Torvalds wrote:
> 
> On Sat, 11 Apr 2009, Arjan van de Ven wrote:
>> Now that I've been able to scan most of my mail; it looks like the one-liner
>> should just go in.
> 
> Ok, I committed my one-liner, and then also reverted the ACPI battery 
> workaround of removing __init, since the one-liner should fix that too.
> 
> Cc'ing the people involved with that commit, just so that they know to 
> test to make sure the alternate fix really did fix it for them (I'm pretty 
> sure it does, but still a good idea to verify or at least let people know 
> that a previous fix got reverted)

longer term I would like to work on two things
1) Fix the __init thing by just only freeing when appropriate, but not having to wait for it
2) Find a way for userland to trigger a sync
    - for all storage probing
    - for just async work
    - "global sync", which includes all driver init
    We can then have insmod/modprobe use this always, unless a flag is set
    (so say, udev, can load a slew of modules, and then sync only on the last one)

and then after a year or two we can maybe remove the sync from the module loader ;(
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