From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-pm@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
Pavel Machek <pavel@ucw.cz>, Jiri Slaby <jslaby@suse.cz>,
Len Brown <lenb@kernel.org>
Subject: Re: [patch 1/1] [PATCH] include storage keys in hibernation image.
Date: Fri, 8 Jul 2011 10:29:11 +0200 [thread overview]
Message-ID: <20110708102911.3c4d83b6@mschwide> (raw)
In-Reply-To: <201107072336.26151.rjw@sisk.pl>
On Thu, 7 Jul 2011 23:36:25 +0200
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> On Wednesday, June 15, 2011, Martin Schwidefsky wrote:
> > On Tue, 14 Jun 2011 22:50:14 +0200
> > "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> ...
> >
> > Well before the preallocation kicked in we don't know which are the relevant
> > storage keys. The only other option would be to store all of them which I
> > consider to be a inferior solution.
>
> I've been thinking about that recently a bit.
>
> Don't we need to restore the keys of the page frames that aren't copied
> into the image too?
Pages that are free (= not part of the image) will get a zero storage key
once they are allocated again. So no, we do not need to include these
keys into the hibernation image.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2011-07-08 8:29 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-08 7:45 [patch 0/1] [RFC] include storage keys in hibernation image Martin Schwidefsky
2011-06-08 7:45 ` [patch 1/1] [PATCH] " Martin Schwidefsky
2011-06-12 12:41 ` Rafael J. Wysocki
2011-06-12 12:41 ` Rafael J. Wysocki
2011-06-14 8:50 ` Martin Schwidefsky
2011-06-14 20:50 ` Rafael J. Wysocki
2011-06-15 7:36 ` Martin Schwidefsky
2011-06-15 7:36 ` Martin Schwidefsky
2011-06-15 23:21 ` Rafael J. Wysocki
2011-06-15 23:21 ` Rafael J. Wysocki
2011-07-03 17:46 ` Pavel Machek
2011-07-03 17:46 ` Pavel Machek
2011-07-04 8:09 ` Martin Schwidefsky
2011-07-04 8:09 ` Martin Schwidefsky
2011-07-07 21:36 ` Rafael J. Wysocki
2011-07-07 21:36 ` Rafael J. Wysocki
2011-07-08 8:29 ` Martin Schwidefsky [this message]
2011-07-08 8:29 ` Martin Schwidefsky
2011-06-14 20:50 ` Rafael J. Wysocki
2011-06-14 8:50 ` Martin Schwidefsky
2011-07-28 22:01 ` Rafael J. Wysocki
2011-07-28 22:01 ` Rafael J. Wysocki
2011-08-09 15:45 ` Martin Schwidefsky
2011-08-09 19:56 ` Rafael J. Wysocki
2011-08-09 19:56 ` Rafael J. Wysocki
2011-08-09 15:45 ` Martin Schwidefsky
2011-06-08 7:45 ` Martin Schwidefsky
2011-08-16 14:14 [patch 0/1] [patch 0/1] " Martin Schwidefsky
2011-08-16 14:14 ` [patch 1/1] [PATCH] " Martin Schwidefsky
2011-08-16 14:14 ` Martin Schwidefsky
2011-08-16 17:56 ` Rafael J. Wysocki
2011-08-16 17:56 ` Rafael J. Wysocki
2011-08-17 7:43 ` Martin Schwidefsky
2011-08-17 7:43 ` Martin Schwidefsky
2011-08-17 9:15 ` Rafael J. Wysocki
2011-08-17 9:15 ` Rafael J. Wysocki
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