| Date | Wed, 22 Apr 2020 13:39:03 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 17/23] sched,irq: Convert to sched_set_fifo() |
| |
On Wed, Apr 22, 2020 at 01:27:36PM +0200, Peter Zijlstra wrote: > Because SCHED_FIFO is a broken scheduler model (see previous patches) > take away the priority field, the kernel can't possibly make an > informed decision. > > Effectively no change.
That's ofcourse a flat out lie; I wrote this before I noticed that -1 thing. It most definitely changes that. I also only noticed this while reading through my own copy after sending :-/
> @@ -1281,13 +1278,12 @@ setup_irq_thread(struct irqaction *new, > } else { > t = kthread_create(irq_thread, new, "irq/%d-s-%s", irq, > new->name); > - param.sched_priority -= 1; > }
|