[PATCH] tracing/osnoise: Use for_each_online_cpu() instead of for_each_cpu()
From: Fushuai Wang <hidden>
Date: 2025-08-11 06:42:26
Also in:
lkml
Subsystem:
the rest, tracing, tracing os noise / latency tracers · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
Replace the opencoded for_each_cpu(cpu, cpu_online_mask) loop with the more readable and equivalent for_each_online_cpu(cpu) macro. Signed-off-by: Fushuai Wang <redacted> --- 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)); }
--
2.36.1