> 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
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