From: Tejun Heo <tj@kernel.org>
To: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: linux-kernel@vger.kernel.org, Lai Jiangshan <laijs@linux.alibaba.com>
Subject: Re: [PATCH 6/7] workqueue: Remove the cacheline_aligned for nr_running
Date: Thu, 9 Dec 2021 12:27:25 -1000 [thread overview]
Message-ID: <YbKCzQ3aMoeapv8T@slm.duckdns.org> (raw)
In-Reply-To: <20211207073543.61092-7-jiangshanlai@gmail.com>
On Tue, Dec 07, 2021 at 03:35:42PM +0800, Lai Jiangshan wrote:
> From: Lai Jiangshan <laijs@linux.alibaba.com>
>
> nr_running is never modified remotely after the schedule callback in
> wakeup path is removed.
>
> Rather nr_running is often accessed with other fields in the pool
> together, so the cacheline_aligned for nr_running isn't needed.
>
> Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Applied 4-6 to cgroup/for-5.17.
Thanks.
--
tejun
next prev parent reply other threads:[~2021-12-09 22:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 7:35 [PATCH 0/7] workqueue: cleanups for schedule callbacks Lai Jiangshan
2021-12-07 7:35 ` [PATCH 1/7] workqueue: Remove the outdated comment before wq_worker_sleeping() Lai Jiangshan
2021-12-07 7:35 ` [PATCH 2/7] workqueue: Remove the advanced kicking of the idle workers in rebind_workers() Lai Jiangshan
2021-12-07 7:35 ` [PATCH 3/7] workqueue: Remove outdated comment about exceptional workers in unbind_workers() Lai Jiangshan
2021-12-09 22:16 ` Tejun Heo
2021-12-07 7:35 ` [PATCH 4/7] workqueue: Remove schedule() " Lai Jiangshan
2021-12-07 7:35 ` [PATCH 5/7] workqueue: Move the code of waking a worker up " Lai Jiangshan
2021-12-07 7:35 ` [PATCH 6/7] workqueue: Remove the cacheline_aligned for nr_running Lai Jiangshan
2021-12-09 22:07 ` Tejun Heo
2021-12-09 23:31 ` Lai Jiangshan
2021-12-09 22:27 ` Tejun Heo [this message]
2021-12-07 7:35 ` [RFC PATCH 7/7] workqueue: Replace pool lock with preemption disabling in wq_worker_sleeping() Lai Jiangshan
2021-12-09 22:14 ` Tejun Heo
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