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authorCai Huoqing <caihuoqing@baidu.com>2022-01-14 14:03:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-15 16:30:24 +0200
commit3b9cb4ba4b54ecc6cf7d04ea9085d2ad2be48733 (patch)
tree24726b7e2ac3e861e82a85011734fd55848ba89f /kernel
parent64ed3a049e3e81b801e7c5bb052416152443f585 (diff)
downloadlinux-3b9cb4ba4b54ecc6cf7d04ea9085d2ad2be48733.tar.bz2
rcutorture: make use of the helper function kthread_run_on_cpu()
Replace kthread_create_on_node/kthread_bind/wake_up_process() with kthread_run_on_cpu() to simplify the code. Link: https://lkml.kernel.org/r/20211022025711.3673-5-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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/rcu/rcutorture.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 8b410d982990..42bc66a2f170 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -1992,9 +1992,8 @@ static int rcutorture_booster_init(unsigned int cpu)
mutex_lock(&boost_mutex);
rcu_torture_disable_rt_throttle();
VERBOSE_TOROUT_STRING("Creating rcu_torture_boost task");
- boost_tasks[cpu] = kthread_create_on_node(rcu_torture_boost, NULL,
- cpu_to_node(cpu),
- "rcu_torture_boost");
+ boost_tasks[cpu] = kthread_run_on_cpu(rcu_torture_boost, NULL,
+ cpu, "rcu_torture_boost_%u");
if (IS_ERR(boost_tasks[cpu])) {
retval = PTR_ERR(boost_tasks[cpu]);
VERBOSE_TOROUT_STRING("rcu_torture_boost task create failed");
@@ -2003,8 +2002,6 @@ static int rcutorture_booster_init(unsigned int cpu)
mutex_unlock(&boost_mutex);
return retval;
}
- kthread_bind(boost_tasks[cpu], cpu);
- wake_up_process(boost_tasks[cpu]);
mutex_unlock(&boost_mutex);
return 0;
}