linux-kernel - [PATCH v3 2/6] RDMA/siw: Make use of the helper function kthread_run_on

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Message-ID: <20211022025711.3673-3-caihuoqing@baidu.com>
Date:   Fri, 22 Oct 2021 10:57:05 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <rostedt@...dmis.org>
CC:     Cai Huoqing <caihuoqing@...du.com>,
        Bernard Metzler <bmt@...ich.ibm.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        "Davidlohr Bueso" <dave@...olabs.net>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        "Josh Triplett" <josh@...htriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Ingo Molnar <mingo@...hat.com>,
        Daniel Bristot de Oliveira <bristot@...nel.org>,
        <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <rcu@...r.kernel.org>
Subject: [PATCH v3 2/6] RDMA/siw: Make use of the helper function kthread_run_on_cpu()

Replace kthread_create/kthread_bind/wake_up_process()
with kthread_run_on_cpu() to simplify the code.

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/infiniband/sw/siw/siw_main.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index 9093e6a80b26..e5c586913d0b 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -98,15 +98,14 @@ static int siw_create_tx_threads(void)
 			continue;
 
 		siw_tx_thread[cpu] =
-			kthread_create(siw_run_sq, (unsigned long *)(long)cpu,
-				       "siw_tx/%d", cpu);
+			kthread_run_on_cpu(siw_run_sq,
+					   (unsigned long *)(long)cpu,
+					   cpu, "siw_tx/%u");
 		if (IS_ERR(siw_tx_thread[cpu])) {
 			siw_tx_thread[cpu] = NULL;
 			continue;
 		}
-		kthread_bind(siw_tx_thread[cpu], cpu);
 
-		wake_up_process(siw_tx_thread[cpu]);
 		assigned++;
 	}
 	return assigned;
-- 
2.25.1