From: Cai Huoqing <caihuoqing@baidu.com>
To: <rostedt@goodmis.org>
Cc: Cai Huoqing <caihuoqing@baidu.com>,
Bernard Metzler <bmt@zurich.ibm.com>,
Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
"Davidlohr Bueso" <dave@stgolabs.net>,
"Paul E. McKenney" <paulmck@kernel.org>,
"Josh Triplett" <josh@joshtriplett.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Joel Fernandes <joel@joelfernandes.org>,
Ingo Molnar <mingo@redhat.com>,
Daniel Bristot de Oliveira <bristot@kernel.org>,
<linux-rdma@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<rcu@vger.kernel.org>
Subject: [PATCH v3 4/6] rcutorture: Make use of the helper function kthread_run_on_cpu()
Date: Fri, 22 Oct 2021 10:57:07 +0800 [thread overview]
Message-ID: <20211022025711.3673-5-caihuoqing@baidu.com> (raw)
In-Reply-To: <20211022025711.3673-1-caihuoqing@baidu.com>
Replace kthread_create_on_node/kthread_bind/wake_up_process()
with kthread_run_on_cpu() to simplify the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
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
next prev parent reply other threads:[~2021-10-22 2:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-22 2:57 [PATCH v3 0/6] kthread: Add the helper function kthread_run_on_cpu() Cai Huoqing
2021-10-22 2:57 ` [PATCH v3 1/6] " Cai Huoqing
2021-10-26 8:32 ` Cai,Huoqing
2021-11-16 21:01 ` Steven Rostedt
2021-10-22 2:57 ` [PATCH v3 2/6] RDMA/siw: Make use of " Cai Huoqing
2021-10-22 2:57 ` [PATCH v3 3/6] ring-buffer: " Cai Huoqing
2021-10-22 2:57 ` Cai Huoqing [this message]
2021-10-22 2:57 ` [PATCH v3 5/6] trace/osnoise: " Cai Huoqing
2021-10-22 2:57 ` [PATCH v3 6/6] trace/hwlat: " Cai Huoqing
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