Re: [PATCH v5 6/7] sched/deadline: Deferrable dl server

From: Peter Zijlstra
Date: Wed Nov 08 2023 - 11:57:37 EST


On Wed, Nov 08, 2023 at 04:14:18PM +0100, Juri Lelli wrote:
> > + if (dl_se->zerolax && dl_se->runtime > dl_runtime)
> > + dl_se->runtime = dl_runtime;
> > +
>
> Anyway, I have the impression that this breaks EDF/CBS, as we are letting
> the dl_server run with full dl_runtime w/o postponing the period
> (essentially an u = 1 reservation until runtime is depleted).

Yeah, I sorted it with Daniel, we were not trying to fix the same
problem :-)