On Wed, May 30, 2007 at 04:04:22PM +0200, Rafael J. Wysocki wrote:
> On Wednesday, 30 May 2007 15:17, Nigel Cunningham wrote:
> > On Wed, 2007-05-30 at 13:40 +0100, Matthew Garrett wrote:
> > > So keep the driver layers read-only and unfreeze the processes after
> > > doing the atomic copy.
> >
> > I know you probably won't care, but that's not an option for Suspend2 -
> > I get the possibility of a full image by overwriting LRU pages that were
> > saved prior to the atomic copy.
>
> This generally is a problem, not only for suspend2. :-)
>
> Once you've unfrozen the user land, we can't rely on the hibernation image any
> more, because some tasks may cause the on-disk filesystems' state to change.
Hence "keep the driver layers read-only" :)
--
Matthew Garrett | [email protected]
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