Messages in this thread | | | Subject | Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway | From | Benjamin Herrenschmidt <> | Date | Fri, 06 Jul 2007 18:59:13 +1000 |
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On Fri, 2007-07-06 at 09:13 +0200, Rafael J. Wysocki wrote: > > The only reason (I know of) why we don't handle uninterruptible tasks in the > freezer is that we're afraid of the suspend process deadlocking with an > uninterruptible task holding a lock, but AFAICS the probability of such an > event is extremely small.
What would deadlock specifically ? One of the drivers trying to acquire that lock ? It would be a driver bug then.
> Also, the powermac suspend will deadlock in such cases, so the fact that > it doesn't deadlock means that they don't occur very often (if at all).
Ben.
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