Commit 88c79ecf authored by Yury Norov's avatar Yury Norov Committed by Steven Rostedt (Google)
Browse files

tracing: Replace opencoded cpumask_next_wrap() in move_to_next_cpu() 

The dedicated cpumask_next_wrap() is more verbose and effective than
cpumask_next() followed by cpumask_first().

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20250605000651.45281-1-yury.norov@gmail.com


Signed-off-by: default avatarYury Norov <yury.norov@gmail.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent d7b8f8e2

kernel/trace/trace_hwlat.c

+1 −4
Original line number Diff line number Diff line
@@ -325,12 +325,9 @@ static void move_to_next_cpu(void) 


	cpus_read_lock();

	cpumask_and(current_mask, cpu_online_mask, tr->tracing_cpumask);

	next_cpu = cpumask_next(raw_smp_processor_id(), current_mask);

	next_cpu = cpumask_next_wrap(raw_smp_processor_id(), current_mask);

	cpus_read_unlock();



	if (next_cpu >= nr_cpu_ids)

		next_cpu = cpumask_first(current_mask);



	if (next_cpu >= nr_cpu_ids) /* Shouldn't happen! */

		goto change_mode;