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>
Subject: Re: [patch 1/1] [PATCH] include storage keys in hibernation image.
Date: Wed, 17 Aug 2011 09:43:47 +0200 [thread overview]
Message-ID: <20110817094347.3c106bd9@mschwide> (raw)
In-Reply-To: <201108161956.47434.rjw@sisk.pl>
On Tue, 16 Aug 2011 19:56:47 +0200
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> On Tuesday, August 16, 2011, Martin Schwidefsky wrote:
> > From: Martin Schwidefsky <schwidefsky@de.ibm.com>
> >
> > For s390 there is one additional byte associated with each page,
> > the storage key. This byte contains the referenced and changed
> > bits and needs to be included into the hibernation image.
> > If the storage keys are not restored to their previous state all
> > original pages would appear to be dirty. This can cause
> > inconsistencies e.g. with read-only filesystems.
> >
> > Cc: Pavel Machek <pavel@ucw.cz>
> > Cc: Rafael J. Wysocki <rjw@sisk.pl>
> > Cc: Jiri Slaby <jslaby@suse.cz>
> > Cc: linux-pm@lists.linux-foundation.org
> > Cc: linux-kernel@vger.kernel.org
> > Cc: linux-s390@vger.kernel.org
> > Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
>
> OK, I don't have any complaints. Do you want me to take this
> patch or do you want to push it through the s390 tree?
The patch affects the common power management code. At minimum I
would like an acked-by to take it into the s390 tree. I would feel
more comfortable if you'd take it via the power management tree
though.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2011-08-17 7:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-16 14:14 [patch 0/1] [patch 0/1] include storage keys in hibernation image Martin Schwidefsky
2011-08-16 14:14 ` [patch 1/1] [PATCH] " Martin Schwidefsky
2011-08-16 17:56 ` Rafael J. Wysocki
2011-08-17 7:43 ` Martin Schwidefsky [this message]
2011-08-17 9:15 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2011-06-08 7:45 [patch 0/1] [RFC] " Martin Schwidefsky
2011-06-08 7:45 ` [patch 1/1] [PATCH] " Martin Schwidefsky
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 23:21 ` Rafael J. Wysocki
2011-07-03 17:46 ` Pavel Machek
2011-07-04 8:09 ` Martin Schwidefsky
2011-07-07 21:36 ` Rafael J. Wysocki
2011-07-08 8:29 ` Martin Schwidefsky
2011-07-28 22:01 ` Rafael J. Wysocki
2011-08-09 15:45 ` Martin Schwidefsky
2011-08-09 19:56 ` Rafael J. Wysocki
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