Re: [rfc patch 2/2] rt/locking/hotplug: Fix rt_spin_lock_slowlock() migrate_disable() bug

[Mike Galbraith]

On Thu, 2016-04-07 at 18:48 +0200, Sebastian Andrzej Siewior wrote:
> On 04/07/2016 06:37 AM, Mike Galbraith wrote:
> > On Wed, 2016-04-06 at 14:00 +0200, Mike Galbraith wrote:
> > > It'll take a hotplug beating seemingly as well as any non-rt kernel,
> > > but big box NAKed it due to jitter, which can mean 1.0 things.. duh.
> > 
> > FWIW, the below turned big box NAK into ACK.  Stressing hotplug over
> > night, iteration completion time went from about 2 1/2 hours with
> > bandaids on the two identified rt sore spots, to an hour and 10 minutes
> > as well for some reason, but whatever..
> 
> Just to be clear. I need #1, #2 from this thread and this below to make
> it work?

The followup to 2/2 replaced 2/2.

	-Mike