From: Pavel Machek <pavel@ucw.cz>
To: Nigel Cunningham <nigel@nigel.suspend2.net>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Bill Davidsen <davidsen@tmr.com>,
Linux Kernel M/L <linux-kernel@vger.kernel.org>
Subject: Re: [2.6.21.1] resume doesn't run suspended kernel?
Date: Tue, 29 May 2007 13:29:53 +0200 [thread overview]
Message-ID: <20070529112952.GA23046@elf.ucw.cz> (raw)
In-Reply-To: <1180392482.4149.15.camel@nigel.suspend2.net>
Hi!
> > Yup. Don't we do something like this for the (ACPI-based) suspend to RAM
> > already?
>
> Yeah, I was thinking about this overnight too. It should be doable. In
> addition to what we already do, I think you'd want:
>
> - to copy the assembly to do the copying to a safe page;
> - to put the location of the cpu state that was saved in the image
> header so that it can be used after the data is copied back;
...alternatively, we can just rely on copy routine (and its data) not
changing frequently.
> - to copy the nosave data to a 'safe' page.
>
> What else?
page directories need to be on a safe place, too.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-05-29 11:30 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-26 22:42 [2.6.21.1] resume doesn't run suspended kernel? Bill Davidsen
2007-05-27 8:41 ` David Greaves
2007-05-27 13:10 ` Bill Davidsen
2007-05-27 15:26 ` David Greaves
2007-05-27 21:20 ` Pavel Machek
2007-05-27 21:17 ` Pavel Machek
2007-05-27 21:14 ` Pavel Machek
2007-05-28 3:15 ` Bill Davidsen
2007-05-28 13:21 ` Bill Davidsen
2007-05-28 13:26 ` Pavel Machek
2007-05-28 17:57 ` Rafael J. Wysocki
2007-05-28 22:48 ` Nigel Cunningham
2007-05-29 11:29 ` Pavel Machek [this message]
2007-05-29 12:03 ` Rafael J. Wysocki
2007-05-29 12:23 ` Nigel Cunningham
2007-05-29 12:40 ` Pavel Machek
2007-05-29 13:13 ` Nigel Cunningham
2007-05-29 21:51 ` Rafael J. Wysocki
2007-06-04 11:02 ` Pavel Machek
2007-06-04 11:05 ` Nigel Cunningham
2007-06-05 7:23 ` Stefan Seyfried
2007-06-05 14:08 ` Bill Davidsen
[not found] <fa.rXcMBo+RSE/6L84EBqFCeyFql/k@ifi.uio.no>
2007-05-27 2:44 ` Robert Hancock
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