Re: [PATCH] sched/rt: Do not pull from current CPU if only one cpu to pull

[Steven Rostedt]

On Mon, 4 Dec 2017 08:45:17 +0100
Juri Lelli <juri.lelli@xxxxxxxxxx> wrote:

> Right. I was wondering however if for the truly UP case we shouldn't be
> initiating/queueing callbacks (pull/push) at all?

If !CONFIG_SMP then it's not compiled in. The issue came up when Daniel
ran a CONFIG_SMP kernel on an arch that only supports UP.

> 
> DEADLINE doesn't use (yet?) the PUSH_IPI, but we will need a similar
> patch to keep logics aligned.

Maybe.

-- Steve