aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorCai Huoqing <[email protected]>2022-01-14 14:02:59 -0800
committerLinus Torvalds <[email protected]>2022-01-15 16:30:23 +0200
commit64ed3a049e3e81b801e7c5bb052416152443f585 (patch)
tree993befc2679b5c979e1c3c356694127e88b677e4
parente0850113937b843c69b50b5d9087978ae4254be7 (diff)
ring-buffer: make use of the helper function kthread_run_on_cpu()
Replace kthread_create/kthread_bind/wake_up_process() with kthread_run_on_cpu() to simplify the code. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Cai Huoqing <[email protected]> Cc: Bernard Metzler <[email protected]> Cc: Daniel Bristot de Oliveira <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Doug Ledford <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jason Gunthorpe <[email protected]> Cc: Joel Fernandes (Google) <[email protected]> Cc: Josh Triplett <[email protected]> Cc: Lai Jiangshan <[email protected]> Cc: Mathieu Desnoyers <[email protected]> Cc: "Paul E . McKenney" <[email protected]> Cc: Steven Rostedt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--kernel/trace/ring_buffer.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 2699e9e562b1..05dfc7a12d3d 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! */