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Message-Id: <20230911082722.453-1-qiang.zhang1211@gmail.com> Date: Mon, 11 Sep 2023 16:27:22 +0800 From: Zqiang <qiang.zhang1211@...il.com> To: tj@...nel.org, jiangshanlai@...il.com, qiang.zhang1211@...il.com Cc: linux-kernel@...r.kernel.org Subject: [PATCH] workqueue: Fix missed pwq_release_worker creation in wq_cpu_intensive_thresh_init() Currently, if the wq_cpu_intensive_thresh_us is set to specific value, will cause the wq_cpu_intensive_thresh_init() early exit and missed creation of pwq_release_worker. this commit therefore create the pwq_release_worker in advance before checking the wq_cpu_intensive_thresh_us. Signed-off-by: Zqiang <qiang.zhang1211@...il.com> --- kernel/workqueue.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c85825e17df8..fd3988583c8b 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -6605,13 +6605,13 @@ static void __init wq_cpu_intensive_thresh_init(void) unsigned long thresh; unsigned long bogo; + pwq_release_worker = kthread_create_worker(0, "pool_workqueue_release"); + BUG_ON(IS_ERR(pwq_release_worker)); + /* if the user set it to a specific value, keep it */ if (wq_cpu_intensive_thresh_us != ULONG_MAX) return; - pwq_release_worker = kthread_create_worker(0, "pool_workqueue_release"); - BUG_ON(IS_ERR(pwq_release_worker)); - /* * The default of 10ms is derived from the fact that most modern (as of * 2023) processors can do a lot in 10ms and that it's just below what -- 2.17.1
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