Messages in this thread | | | Date | Wed, 31 Jan 2007 09:40:14 +0100 (MET) | From | Oliver Neukum <> | Subject | Re: question on resume() |
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Am Mittwoch, 31. Januar 2007 09:33 schrieb Rafael J. Wysocki: > On Tuesday, 30 January 2007 23:32, Rafael J. Wysocki wrote:
> > Generally, you are safe if your driver only calls wake_up() from a process > > context, but not from .resume() or .suspend() routines (or from an > > unfreezeable kernel thread). > > Ah, sorry, I've just realized I was wrong. Processes in TASK_UNINTERRUPTIBLE > cannot be frozen! So, the above only applies to wake_up_interruptible().
So the kernel will wait for tasks in TASK_UNINTERRUPTIBLE to finish IO before it calls suspend()? I am confused.
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