Re: [patch 1/1] [PATCH] include storage keys in hibernation image.

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On Tue, 16 Aug 2011 19:56:47 +0200
"Rafael J. Wysocki" <rjw@xxxxxxx> wrote:

> On Tuesday, August 16, 2011, Martin Schwidefsky wrote:
> > From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> > 
> > 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@xxxxxx>
> > Cc: Rafael J. Wysocki <rjw@xxxxxxx>
> > Cc: Jiri Slaby <jslaby@xxxxxxx>
> > Cc: linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Cc: linux-s390@xxxxxxxxxxxxxxx
> > Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> 
> 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.

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