linux-kernel - Re: [PATCH] sched: remove unnecessary check in sched_{debug

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Message-ID: <20251006004121.42332-1-wangfushuai@baidu.com>
Date: Mon, 6 Oct 2025 08:41:21 +0800
From: Fushuai Wang <wangfushuai@...du.com>
To: <wangfushuai@...du.com>
CC: <bsegall@...gle.com>, <dietmar.eggemann@....com>, <juri.lelli@...hat.com>,
	<linux-kernel@...r.kernel.org>, <mgorman@...e.de>, <mingo@...hat.com>,
	<peterz@...radead.org>, <rostedt@...dmis.org>, <vincent.guittot@...aro.org>,
	<vschneid@...hat.com>
Subject: Re: [PATCH] sched: remove unnecessary check in sched_{debug_}start()

> -1 is a legal argument for cpumask_next(), and cpumask_next(-1, mask) is
> equivalent to cpumask_first(mask). The explicit check and separate branch
> are unnecessary.

Gentle ping. This patch has been reviewed but not merged yet.

Regards,
Wang.