diff mbox series

[005/146] trace/osnoise: make use of the helper function kthread_run_on_cpu()

Message ID 20220114220306.E3xj0fyX8%akpm@linux-foundation.org (mailing list archive)
State New
Headers show
Series [001/146] kthread: add the helper function kthread_run_on_cpu() | expand

Commit Message

Andrew Morton Jan. 14, 2022, 10:03 p.m. UTC
From: Cai Huoqing <caihuoqing@baidu.com>
Subject: trace/osnoise: make use of the helper function kthread_run_on_cpu()

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

Link: https://lkml.kernel.org/r/20211022025711.3673-6-caihuoqing@baidu.com
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Cc: Bernard Metzler <bmt@zurich.ibm.com>
Cc: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/trace/trace_osnoise.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

--- a/kernel/trace/trace_osnoise.c~trace-osnoise-make-use-of-the-helper-function-kthread_run_on_cpu
+++ a/kernel/trace/trace_osnoise.c
@@ -1701,7 +1701,7 @@  static int start_kthread(unsigned int cp
 		snprintf(comm, 24, "osnoise/%d", cpu);
 	}
 
-	kthread = kthread_create_on_cpu(main, NULL, cpu, comm);
+	kthread = kthread_run_on_cpu(main, NULL, cpu, comm);
 
 	if (IS_ERR(kthread)) {
 		pr_err(BANNER "could not start sampling thread\n");
@@ -1710,7 +1710,6 @@  static int start_kthread(unsigned int cp
 	}
 
 	per_cpu(per_cpu_osnoise_var, cpu).kthread = kthread;
-	wake_up_process(kthread);
 
 	return 0;
 }