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From: Hui Su <sh_def@163.com>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Valentin Schneider <vschneid@redhat.com>,
	Barry Song <baohua@kernel.org>,
	Tim Chen <tim.c.chen@linux.intel.com>,
	Chen Yu <yu.c.chen@intel.com>,
	Yicong Yang <yangyicong@hisilicon.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched/topology: Balance cluster static-key updates
Date: Wed, 21 Oct 2026 13:38:20 +0900	[thread overview]
Message-ID: <20261021133820.1140331-1-sh_def@163.com> (raw)
In-Reply-To: <62a7530f-ffe7-490e-8d0a-3bed170e24d3@amd.com>

> nit.
>
> This should be done only when sched_cluster_active is enabled to
> avoid the extra loop on systems that don't have any cluster domain.

Agreed. v2 guards the SD_CLUSTER scan with
static_branch_unlikely(&sched_cluster_active), so systems without cluster
domains skip the loop entirely.

Thanks for the review!

Hui


      reply	other threads:[~2026-10-21  4:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-21  3:43 Hui Su
2026-10-21  3:55 ` K Prateek Nayak
2026-10-21  4:38   ` Hui Su [this message]

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