From: Oliver Neukum <oliver@neukum.name>
To: nigel@nigel.suspend2.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: question on resume()
Date: Mon, 29 Jan 2007 12:34:58 +0100 (MET) [thread overview]
Message-ID: <200701291234.59706.oliver@neukum.name> (raw)
In-Reply-To: <1170069896.3538.26.camel@nigel.suspend2.net>
Am Montag, 29. Januar 2007 12:24 schrieb Nigel Cunningham:
> Hi.
>
> On Mon, 2007-01-29 at 12:06 +0100, Oliver Neukum wrote:
> > Hi,
> >
> > may a driver call wake_up() while doing resume() ?
>
> I assume you mean waking a userspace process from drivers_resume(). If
> so, the answer is no - processes will still be frozen at the point. In
> the case of Suspend2, the LRU pages will still not have been read
> either, so Suspend2 users would hate you for making hibernation crash
> and burn :)
If so, how do I notify tasks presumably about to be thawed that their
IO failed?
Regards
Oliver
next prev parent reply other threads:[~2007-01-29 11:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-29 11:06 Oliver Neukum
2007-01-29 11:24 ` Nigel Cunningham
2007-01-29 11:34 ` Oliver Neukum [this message]
2007-01-29 20:14 ` Nigel Cunningham
2007-01-29 21:04 ` Oliver Neukum
2007-01-29 21:21 ` Nigel Cunningham
2007-01-29 23:10 ` Rafael J. Wysocki
2007-01-30 16:32 ` Rafael J. Wysocki
2007-01-30 16:50 ` Oliver Neukum
2007-01-30 22:32 ` Rafael J. Wysocki
2007-01-31 8:33 ` Rafael J. Wysocki
2007-01-31 8:40 ` Oliver Neukum
2007-01-31 8:49 ` Rafael J. Wysocki
2007-01-31 9:04 ` Oliver Neukum
2007-01-31 9:36 ` [linux-pm] " Pavel Machek
2007-01-31 10:14 ` Oliver Neukum
2007-01-31 10:30 ` Pavel Machek
2007-01-31 15:54 ` Alan Stern
2007-01-31 16:12 ` Oliver Neukum
2007-01-31 16:27 ` Alan Stern
2007-01-31 18:04 ` Woodruff, Richard
2007-01-31 15:48 ` Alan Stern
2007-01-31 18:52 ` Rafael J. Wysocki
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