Re: [PATCH -mm 2/2] Hibernation: Arbitrary boot kernel support onx86_64

[david]

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@xxxxxxx>
> > >
> > > 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')

David Lang