Repalce kthread_create_on_cpu/wake_up_process()
with kthread_run_on_cpu() to simplify the code.
Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
v1->v2: Update changelog.
kernel/trace/trace_hwlat.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c
index 1b83d75eb103..0e555335f095 100644
--- a/kernel/trace/trace_hwlat.c
+++ b/kernel/trace/trace_hwlat.c
@@ -491,18 +491,14 @@ static void stop_per_cpu_kthreads(void)
static int start_cpu_kthread(unsigned int cpu)
{
struct task_struct *kthread;
- char comm[24];
- snprintf(comm, 24, "hwlatd/%d", cpu);
-
- kthread = kthread_create_on_cpu(kthread_fn, NULL, cpu, comm);
+ kthread = kthread_run_on_cpu(kthread_fn, NULL, cpu, "hwlatd/%u");
if (IS_ERR(kthread)) {
pr_err(BANNER "could not start sampling thread\n");
return -ENOMEM;
}
per_cpu(hwlat_per_cpu_data, cpu).kthread = kthread;
- wake_up_process(kthread);
return 0;
}
--
2.25.1
