Messages in this thread | | | Subject | Re: Hibernation Redesign | From | Miklos Szeredi <> | Date | Wed, 11 Jul 2007 12:42:08 +0200 |
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> > > Yes, I suppose. You're certain the old kernel's devices are completely > > > quiescent at that point? > > > > That's exactly the problem; trying to save a state from within the > > kernel would probably necessitate a freezer hack, which we are > > trying so dearly to avoid. > > Well, I don't think that avoiding the freezer whatever it takes > would be a good idea. There needs to be some balance. ;-)
Well, it takes some extra locking in the drivers. Which is needed _anyway_ if we want to have a working s2ram without the freezer.
With the kexec approach, I don't see any extra requirements from the kernel to be able to drop the freezer.
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