Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2)

[Rafael J. Wysocki]

On Tuesday, 3 April 2007 16:15, Gautham R Shenoy wrote:
> On Tue, Apr 03, 2007 at 06:26:19PM +0530, Srivatsa Vaddagiri wrote:
> > 
> > Besides, how problematic is this in practise (that threads sleep for
> > extended durations in TASK_INTERRUPTIBLE state breaking
> > freezer/suspend/hotplug)?
> > 
> > Should we ignore this for the timebeing and take up later as and when
> > users report problems?
> 
> In my case, the problem of freezer failing was due to the vfork freezer race
> in do_fork. The parent task was waiting_for_completion() while the child was
> frozen.
> 
> Rafael has already sent out the fix for that, but for some reason I
> don't see it in the -mm.

Hm, freezer-fix-vfork-problem.patch is in -rc5-mm3.  Is it the patch you're
talking about or is there another one?

Rafael
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/