From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Nigel Cunningham <ncunningham@linuxmail.org>,
Andrew Morton <akpm@osdl.org>,
LKML <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>
Subject: Re: [PATCH] Freeze bdevs when freezing processes.
Date: Mon, 23 Oct 2006 16:20:55 +0200 [thread overview]
Message-ID: <200610231620.56459.rjw@sisk.pl> (raw)
In-Reply-To: <453CCE75.20302@yahoo.com.au>
On Monday, 23 October 2006 16:15, Nick Piggin wrote:
> Rafael J. Wysocki wrote:
>
> > This case is a bit special. I don't think it would be right to require every
> > device driver writer to avoid modifying RCU pages from the interrupt
> > context, because that would break the suspend to disk ...
> >
> > Besides, if there is an RCU page that we _know_ we can use to store the image
> > in it, we can just include this page in the image without copying. This
> > already gives us one extra free page for the rest of the image and we can
> > _avoid_ creating two images which suspend2 does and which adds a _lot_ of
> > complexity to the code.
>
> If you don't mind me asking... what are these RCU pages you speak of?
> I couldn't work it out by grepping kernel/power/*
Oops, s/RCU/LRU/g (shame, shame).
Sorry for the confusion.
--
You never change things by fighting the existing reality.
R. Buckminster Fuller
next prev parent reply other threads:[~2006-10-23 14:22 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-23 4:12 Nigel Cunningham
2006-10-23 10:36 ` Rafael J. Wysocki
2006-10-23 12:09 ` Nigel Cunningham
2006-10-23 14:07 ` Rafael J. Wysocki
2006-10-23 14:15 ` Nick Piggin
2006-10-23 14:20 ` Rafael J. Wysocki [this message]
2006-10-23 23:05 ` Nigel Cunningham
2006-10-23 16:55 ` Andrew Morton
2006-10-23 17:14 ` Pavel Machek
2006-10-23 17:50 ` Andrew Morton
2006-10-23 18:06 ` Pavel Machek
2006-10-23 19:19 ` Rafael J. Wysocki
2006-10-23 22:52 ` Nigel Cunningham
2006-10-24 7:57 ` Rafael J. Wysocki
2006-10-24 8:21 ` Nigel Cunningham
2006-10-23 21:39 ` Matthew Garrett
2006-10-23 22:12 ` Rafael J. Wysocki
2006-10-24 7:58 ` Pavel Machek
2006-10-23 22:58 ` Nigel Cunningham
2006-10-24 8:01 ` Pavel Machek
2006-10-23 23:22 ` Nigel Cunningham
2006-10-24 8:37 ` Rafael J. Wysocki
2006-10-24 14:44 ` David Chinner
2006-10-24 15:29 ` Rafael J. Wysocki
2006-10-24 16:20 ` Oleg Verych
2006-10-24 17:08 ` Christoph Hellwig
2006-10-24 16:33 ` David Chinner
2006-10-24 21:37 ` Pavel Machek
2006-10-25 0:13 ` David Chinner
2006-10-25 8:10 ` Pavel Machek
2006-10-25 8:38 ` David Chinner
2006-10-25 8:47 ` Pavel Machek
2006-10-25 12:32 ` Rafael J. Wysocki
2006-10-25 13:23 ` Nigel Cunningham
2006-10-25 19:05 ` Rafael J. Wysocki
2006-10-26 7:30 ` David Chinner
2006-10-26 8:18 ` Nigel Cunningham
2006-10-26 8:48 ` Rafael J. Wysocki
2006-10-26 8:57 ` David Chinner
2006-10-26 9:11 ` Rafael J. Wysocki
2006-10-27 1:38 ` David Chinner
2006-10-27 14:37 ` Rafael J. Wysocki
2006-10-29 17:35 ` Pavel Machek
2006-10-29 23:29 ` Rafael J. Wysocki
2006-10-29 23:46 ` Nigel Cunningham
2006-10-26 9:18 ` Nigel Cunningham
2006-10-26 9:08 ` Rafael J. Wysocki
2006-10-25 8:12 ` Rafael J. Wysocki
2006-10-24 17:06 ` Christoph Hellwig
2006-10-24 19:09 ` Rafael J. Wysocki
2006-10-24 21:26 ` Pavel Machek
2006-10-24 21:33 ` Christoph Hellwig
2006-10-24 21:43 ` Pavel Machek
2006-10-24 22:19 ` Nigel Cunningham
2006-10-24 20:16 ` Rafael J. Wysocki
2006-10-24 22:17 ` Nigel Cunningham
2006-10-24 20:38 ` Christoph Hellwig
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