linux-kernel - [PATCH] workqueue: Simplify pool_allowed

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Message-Id: <20240711083831.4273-1-jiangshanlai@gmail.com>
Date: Thu, 11 Jul 2024 16:38:31 +0800
From: Lai Jiangshan <jiangshanlai@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Lai Jiangshan <jiangshan.ljs@...group.com>,
	Tejun Heo <tj@...nel.org>,
	Lai Jiangshan <jiangshanlai@...il.com>
Subject: [PATCH] workqueue: Simplify pool_allowed_cpus()

From: Lai Jiangshan <jiangshan.ljs@...group.com>

For cpu worker pools, attrs->affn_strict is true; attrs->__pod_cpumask
and attrs->cpumask are the same.  Skip the pool->cpu test
in pool_allowed_cpus() and use pool->attrs->__pod_cpumask.

Signed-off-by: Lai Jiangshan <jiangshan.ljs@...group.com>
---
 kernel/workqueue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 8b2a0fe4a85e..5d362290c2e8 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2646,7 +2646,7 @@ static struct worker *alloc_worker(int node)
 
 static cpumask_t *pool_allowed_cpus(struct worker_pool *pool)
 {
-	if (pool->cpu < 0 && pool->attrs->affn_strict)
+	if (pool->attrs->affn_strict)
 		return pool->attrs->__pod_cpumask;
 	else
 		return pool->attrs->cpumask;
-- 
2.19.1.6.gb485710b