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: 9+ 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 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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).