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McKenney" , Josh Triplett , "Steven Rostedt" , Mathieu Desnoyers , Lai Jiangshan , Joel Fernandes , Ingo Molnar , Daniel Bristot de Oliveira , , , Subject: [PATCH v2 4/6] rcutorture: Make use of the helper macro kthread_run_on_cpu() Date: Thu, 21 Oct 2021 20:27:55 +0800 Message-ID: <20211021122758.3092-5-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211021122758.3092-1-caihuoqing@baidu.com> References: <20211021122758.3092-1-caihuoqing@baidu.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex10.internal.baidu.com (172.31.51.50) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Repalce kthread_create_on_node//kthread_bind/wake_up_process() with kthread_run_on_cpu() to simplify the code. Signed-off-by: Cai Huoqing --- kernel/rcu/rcutorture.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 503e14e62e8f..6c3ba8c0d7ff 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -2025,9 +2025,8 @@ static int rcutorture_booster_init(unsigned int cpu) mutex_lock(&boost_mutex); rcu_torture_disable_rt_throttle(); VERBOSE_TOROUT_STRING("Creating rcu_torture_boost task"); - boost_tasks[cpu] = kthread_create_on_node(rcu_torture_boost, NULL, - cpu_to_node(cpu), - "rcu_torture_boost"); + boost_tasks[cpu] = kthread_run_on_cpu(rcu_torture_boost, NULL, + cpu, "rcu_torture_boost_%u"); if (IS_ERR(boost_tasks[cpu])) { retval = PTR_ERR(boost_tasks[cpu]); VERBOSE_TOROUT_STRING("rcu_torture_boost task create failed"); @@ -2036,8 +2035,6 @@ static int rcutorture_booster_init(unsigned int cpu) mutex_unlock(&boost_mutex); return retval; } - kthread_bind(boost_tasks[cpu], cpu); - wake_up_process(boost_tasks[cpu]); mutex_unlock(&boost_mutex); return 0; } -- 2.25.1