linux-kernel - Re: [PATCH v3 1/5] sched_ext: Implement scx_rq_clock

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Message-ID: <Z0-S2vvHF0kiEKHi@slm.duckdns.org>
Date: Tue, 3 Dec 2024 13:23:06 -1000
From: Tejun Heo <tj@...nel.org>
To: Changwoo Min <multics69@...il.com>
Cc: void@...ifault.com, mingo@...hat.com, peterz@...radead.org,
	changwoo@...lia.com, kernel-dev@...lia.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/5] sched_ext: Implement scx_rq_clock_update/stale()

Hello,

On Tue, Dec 03, 2024 at 11:27:58PM +0900, Changwoo Min wrote:
...
> @@ -2505,19 +2538,6 @@ extern const struct sched_class rt_sched_class;
>  extern const struct sched_class fair_sched_class;
>  extern const struct sched_class idle_sched_class;
>  
> -#ifdef CONFIG_SCHED_CLASS_EXT
> -extern const struct sched_class ext_sched_class;
> -
> -DECLARE_STATIC_KEY_FALSE(__scx_ops_enabled);	/* SCX BPF scheduler loaded */
> -DECLARE_STATIC_KEY_FALSE(__scx_switched_all);	/* all fair class tasks on SCX */
> -
> -#define scx_enabled()		static_branch_unlikely(&__scx_ops_enabled)
> -#define scx_switched_all()	static_branch_unlikely(&__scx_switched_all)
> -#else /* !CONFIG_SCHED_CLASS_EXT */
> -#define scx_enabled()		false
> -#define scx_switched_all()	false
> -#endif /* !CONFIG_SCHED_CLASS_EXT */

Can you please separate out code relocations into a separate patch? Here,
it's on the smaller side but patches are difficult to read when they're
mixed up.

Thanks.

-- 
tejun