linux-kernel - [for-next][PATCH 04/11] tracing/osnoise: Use for_each_online_cpu() instead of for_each

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Message-ID: <20250930170301.869001194@kernel.org>
Date: Tue, 30 Sep 2025 13:01:39 -0400
From: Steven Rostedt <rostedt@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
 Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Fushuai Wang <wangfushuai@...du.com>
Subject: [for-next][PATCH 04/11] tracing/osnoise: Use for_each_online_cpu() instead of for_each_cpu()

From: Fushuai Wang <wangfushuai@...du.com>

Replace the opencoded for_each_cpu(cpu, cpu_online_mask) loop with the
more readable and equivalent for_each_online_cpu(cpu) macro.

Link: https://lore.kernel.org/20250811064158.2456-1-wangfushuai@baidu.com
Signed-off-by: Fushuai Wang <wangfushuai@...du.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 kernel/trace/trace_osnoise.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index fd259da0aa64..4cb464894faf 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -271,7 +271,7 @@ static inline void tlat_var_reset(void)
 	 * So far, all the values are initialized as 0, so
 	 * zeroing the structure is perfect.
 	 */
-	for_each_cpu(cpu, cpu_online_mask) {
+	for_each_online_cpu(cpu) {
 		tlat_var = per_cpu_ptr(&per_cpu_timerlat_var, cpu);
 		if (tlat_var->kthread)
 			hrtimer_cancel(&tlat_var->timer);
@@ -295,7 +295,7 @@ static inline void osn_var_reset(void)
 	 * So far, all the values are initialized as 0, so
 	 * zeroing the structure is perfect.
 	 */
-	for_each_cpu(cpu, cpu_online_mask) {
+	for_each_online_cpu(cpu) {
 		osn_var = per_cpu_ptr(&per_cpu_osnoise_var, cpu);
 		memset(osn_var, 0, sizeof(*osn_var));
 	}
-- 
2.50.1