Re: [RFC][PATCH 4/4] futex: Rewrite FUTEX_UNLOCK_PI
From: Peter Zijlstra
Date: Wed Oct 05 2016 - 04:09:28 EST
On Wed, Oct 05, 2016 at 09:41:47AM +0200, Sebastian Andrzej Siewior wrote:
> On 2016-10-03 11:12:38 [+0200], Peter Zijlstra wrote:
> > There's a number of 'interesting' problems with FUTEX_UNLOCK_PI, all
> > caused by holding hb->lock while doing the rt_mutex_unlock()
> > equivalient.
> are those problems DL related?
One of them, the other is that PI thing you did that ugly nodeboost
thing for, right?