Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule

From: Mike Galbraith
Date: Fri Apr 08 2016 - 02:36:04 EST


On Thu, 2016-04-07 at 18:47 +0200, Sebastian Andrzej Siewior wrote:

> > If that lock dies, we can unpin when entering lock slow path and pin
> > again post acquisition with no ABBA worries as well, and not only does
> > existing hotplug work heaping truckloads better, -rt can perhaps help
> > spot trouble as the rewrite proceeds.
> >
> > Current state is more broken than ever.. if that's possible.
>
> And the two patches you attached here did?

Re-reading your question, no, the only troubles I encountered were the
rt specific woes previously identified. So the thought that started me
down this path turned up jack-diddly-spit.. but that's not a bad thing,
so I don't consider it to have been a waste of time.

-Mike