linux-kernel - Re: [PATCH 0/2] sched: Spare IPI on single task renice

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Message-ID: <20191204122054.GS2844@hirez.programming.kicks-ass.net>
Date:   Wed, 4 Dec 2019 13:20:54 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] sched: Spare IPI on single task renice

On Tue, Dec 03, 2019 at 05:01:04PM +0100, Frederic Weisbecker wrote:
> A couple of patches to avoid disturbing nohz_full CPUs when a single
> fair task get its priority changed. I should probably check other sched
> policies as well...

Yeah, auditing all that sounds like a good idea.

> Frederic Weisbecker (2):
>   sched: Spare resched IPI when prio changes on a single fair task
>   sched: Use fair:prio_changed() instead of ad-hoc implementation

These look good though, thanks!