Messages in this thread | | | Subject | Re: [linux-pm] Re: Hibernation considerations | From | Miklos Szeredi <> | Date | Mon, 23 Jul 2007 16:01:05 +0200 |
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> 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.
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