Re: Re: Hibernation considerations

Alan has recently proposed to introduce "suspend locks" to be acquired during
a suspend/hibernation and such that we can leave uninterruptible tasks that
don't hold any of them.

Sounds sane.  A global rwsem could be acquired for read by drivers,
and for write by suspend/hibernate.  Just need to add it to all
drivers that have PM, but that shouldn't need a heroic effort.

Miklos