linux-kernel - Re: [PATCH 9/9] sched: Add pick

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Message-ID: <20240813225917.GD10328@noisy.programming.kicks-ass.net>
Date: Wed, 14 Aug 2024 00:59:17 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: mingo@...nel.org, tj@...nel.org, void@...ifault.com
Cc: juri.lelli@...hat.com, vincent.guittot@...aro.org,
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
	mgorman@...e.de, vschneid@...hat.com, linux-kernel@...r.kernel.org,
	joelaf@...gle.com
Subject: Re: [PATCH 9/9] sched: Add pick_task(.core)

On Wed, Aug 14, 2024 at 12:25:57AM +0200, Peter Zijlstra wrote:
> In order to distinguish between a regular vs a core pick_task()
> invocation, add a boolean argument.
> 
> Notably SCX seems to need this, since its core pick

... and clearly I never finished that sentence. But mostly it has extra
bits on for sched_core that are not needed in the normal case, and since
we now use pick_task() per default, it needs to know.