linux-kernel - Re: [RFC PATCH 38/86] sched: *_tsk_need_resched() now takes resched

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Message-ID: <20231108090333.GI8262@noisy.programming.kicks-ass.net>
Date:   Wed, 8 Nov 2023 10:03:33 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Ankur Arora <ankur.a.arora@...cle.com>
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        torvalds@...ux-foundation.org, paulmck@...nel.org,
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Subject: Re: [RFC PATCH 38/86] sched: *_tsk_need_resched() now takes resched_t

On Tue, Nov 07, 2023 at 01:57:24PM -0800, Ankur Arora wrote:
> *_tsk_need_resched() need to test for the specific need-resched
> flag.
> 
> The only users are RCU and the scheduler. For RCU we always want
> to schedule at the earliest opportunity and that is always
> RESCHED_eager.

Why ?

> 
> For the scheduler, keep everything as RESCHED_eager for now.

Why ?