[RFC][PATCH 1/2 -mm] kexec based hibernation -v3: kexec jump
nigel at nigel.suspend2.net
Fri Sep 21 08:15:54 EDT 2007
On Friday 21 September 2007 22:18:19 Rafael J. Wysocki wrote:
> On Friday, 21 September 2007 13:58, Nigel Cunningham wrote:
> > Hi.
> > On Friday 21 September 2007 21:56:29 Rafael J. Wysocki wrote:
> > > [Besides, the current hibernation userland interface is used by default
> > > openSUSE and it's also used by quite some Debian users, so we can't drop
> > > it overnight and it can't be implemented in a compatible way on top of
> > > kexec-based solution.]
> > Could it be fudged by giving userland a null image and having (say) the
> > ioctl be one that triggers all the real work (with other ioctls being
> > or such like, as appropriate)?
> Well, the "suspend" part is probably doable, but I'm afraid of the "resume"
'k. I've occasionally thought about trying it, but haven't ever gotten around
to actually doing it yet. (I'd like to make TuxOnIce transparently replace
both swsusp and uswsusp if I could).
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