From: Cai Huoqing <caihuoqing@baidu.com>
To: <caihuoqing@baidu.com>
Cc: 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>,
"Steven Rostedt" <rostedt@goodmis.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 v2 3/6] ring-buffer: Make use of the helper macro kthread_run_on_cpu()
Date: Thu, 21 Oct 2021 20:27:54 +0800 [thread overview]
Message-ID: <20211021122758.3092-4-caihuoqing@baidu.com> (raw)
In-Reply-To: <20211021122758.3092-1-caihuoqing@baidu.com>
Repalce kthread_create/kthread_bind/wake_up_process()
with kthread_run_on_cpu() to simplify the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
kernel/trace/ring_buffer.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index c5a3fbf19617..afb306e21e5b 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -5898,16 +5898,13 @@ static __init int test_ringbuffer(void)
rb_data[cpu].buffer = buffer;
rb_data[cpu].cpu = cpu;
rb_data[cpu].cnt = cpu;
- rb_threads[cpu] = kthread_create(rb_test, &rb_data[cpu],
- "rbtester/%d", cpu);
+ rb_threads[cpu] = kthread_run_on_cpu(rb_test, &rb_data[cpu],
+ cpu, "rbtester/%u");
if (WARN_ON(IS_ERR(rb_threads[cpu]))) {
pr_cont("FAILED\n");
ret = PTR_ERR(rb_threads[cpu]);
goto out_free;
}
-
- kthread_bind(rb_threads[cpu], cpu);
- wake_up_process(rb_threads[cpu]);
}
/* Now create the rb hammer! */
--
2.25.1
next prev parent reply other threads:[~2021-10-21 12:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 12:27 [PATCH v2 0/6] kthread: Add the helper macro kthread_run_on_cpu() Cai Huoqing
2021-10-21 12:27 ` [PATCH v2 1/6] " Cai Huoqing
2021-10-21 12:27 ` [PATCH v2 2/6] RDMA/siw: Make use of " Cai Huoqing
2021-10-21 22:56 ` kernel test robot
2021-10-21 22:56 ` kernel test robot
2021-10-21 12:27 ` Cai Huoqing [this message]
2021-10-21 12:27 ` [PATCH v2 4/6] rcutorture: " Cai Huoqing
2021-10-21 12:27 ` [PATCH v2 5/6] trace/osnoise: " Cai Huoqing
2021-10-21 12:27 ` [PATCH v2 6/6] trace/hwlat: " Cai Huoqing
2021-10-21 16:31 ` Bart Van Assche
2021-10-21 16:31 ` [PATCH v2 0/6] kthread: Add " Bart Van Assche
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20211021122758.3092-4-caihuoqing@baidu.com \
--to=caihuoqing@baidu.com \
--cc=bmt@zurich.ibm.com \
--cc=bristot@kernel.org \
--cc=dave@stgolabs.net \
--cc=dledford@redhat.com \
--cc=jgg@ziepe.ca \
--cc=jiangshanlai@gmail.com \
--cc=joel@joelfernandes.org \
--cc=josh@joshtriplett.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mingo@redhat.com \
--cc=paulmck@kernel.org \
--cc=rcu@vger.kernel.org \
--cc=rostedt@goodmis.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.