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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: david@lang.hm
Cc: Pavel Machek <pavel@ucw.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andi Kleen <ak@suse.de>, LKML <linux-kernel@vger.kernel.org>,
	pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: [PATCH -mm 2/2] Hibernation: Arbitrary boot kernel support on x86_64
Date: Sat, 25 Aug 2007 21:51:53 +0200	[thread overview]
Message-ID: <200708252151.54969.rjw@sisk.pl> (raw)
In-Reply-To: <Pine.LNX.4.64.0708251132070.22470@asgard.lang.hm>

On Saturday, 25 August 2007 20:32, david@lang.hm wrote:
> On Sat, 25 Aug 2007, Rafael J. Wysocki wrote:
> 
> > On Friday, 24 August 2007 22:46, Pavel Machek wrote:
> >> Hi!
> >>
> >>> From: Rafael J. Wysocki <rjw@sisk.pl>
> >>>
> >>> Make it possible to restore a hibernation image on x86_64 with the help of a
> >>> kernel different from the one in the image.
> >>>
> >>> The idea is to split the core restoration code into two separate parts and to
> >>> place each of them in a different page.  The first part belongs to the boot
> >>
> >> What happens in case where both parts want to be
> >> at the same place? (Like kernel being restored is 4KB smaller, so that
> >> routines now collide?)
> >
> > Bad things, but I can't see how to avoid that reliably.
> 
> can you at least detect it reliably? (feed a program both kernel images 
> and have it tell you 'yes/no')

Well, I have an idea how to handle that, but I need to test it.  Stay tuned. :-)

Greetings,
Rafael

  reply	other threads:[~2007-08-25 19:41 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-24 10:06 [PATCH -mm 0/2] " Rafael J. Wysocki
2007-08-24 10:09 ` [PATCH -mm 1/2] Hibernation: Arbitrary boot kernel support - generic code Rafael J. Wysocki
2007-08-24 10:11 ` [PATCH -mm 2/2] Hibernation: Arbitrary boot kernel support on x86_64 Rafael J. Wysocki
2007-08-24 10:59   ` [linux-pm] " Johannes Berg
2007-08-24 13:11     ` Rafael J. Wysocki
2007-08-24 20:46   ` Pavel Machek
2007-08-25 18:27     ` Rafael J. Wysocki
2007-08-25 18:32       ` david
2007-08-25 19:51         ` Rafael J. Wysocki [this message]
2007-08-25 20:42       ` [PATCH -mm 2/2] Hibernation: Arbitrary boot kernel support on x86_64 (updated) Rafael J. Wysocki
2007-08-27  8:28         ` Pavel Machek
2007-08-24 23:23   ` [PATCH -mm 2/2] Hibernation: Arbitrary boot kernel support on x86_64 Andrew Morton
2007-08-25 19:13     ` [linux-pm] " Johannes Berg
2007-08-27 11:06       ` Rafael J. Wysocki
2007-08-27 11:09         ` Johannes Berg
2007-08-27 11:12       ` Rafael J. Wysocki
2007-08-25 20:32     ` Rafael J. Wysocki

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