On Wednesday, December 18, 2013 04:41:28 PM Tejun Heo wrote:
> On Wed, Dec 18, 2013 at 04:39:36PM -0500, Tejun Heo wrote:
> > Yeah, we can just rip out the whole freezer support and let the
> > caller's pm notification hooks implement it by doing
> > 
> >     workqueue_set_max_active(wq, 0);
> >     flush_workqueue(wq);
> 
> Oops, the above doesn't work but I can trivially add a new interface
> for this.  Something which waits for the max_active to drop below the
> newly set level before returning.
> 
>       workqueue_set_max_active_and_wait(wq, 0);

If you add that, I can convert the PM workqueue to using it and then
we can go through all of the existing users and make similar changes - or
just make them non-freezable if there's no good reason for freezing those
particular ones.

Thanks,
Rafael

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