Re: [PATCH] rtmutex: multiple candidate owners without unrelated boosting

Thomas Gleixner
2010-12-15T14:51:11Z

On Wed, 15 Dec 2010, Steven Rostedt wrote:

> On Wed, 2010-12-15 at 15:16 +0100, Thomas Gleixner wrote:
> > On Wed, 15 Dec 2010, Steven Rostedt wrote:
> >
>
> > That does not matter. The interesting part is whether the lock on
> > which orig_waiter is blocked on was unlocked. Lai's follow up patch does:
> >
> > + if (orig_waiter && !rt_mutex_owner(orig_lock))
> > goto out_unlock_pi;
> >
>
> I haven't looked at his new patch yet. But if this is the case, then we
> can nuke all cand_* fields. This was the only reason I kept the
> cand_owner in the first place.

Lai nuked it completely.