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tracing/branch: Use pr_warn() instead of printk(KERN_WARNING)

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Use pr_warn() instead of printk(KERN_WARNING ...) for the branch tracer
warning messages.

Keep the message text unchanged. The change only removes the open-coded
log level from these warnings.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20260519081620.3874441-1-pengyu@kylinos.cn
Signed-off-by: Yu Peng <pengyu@kylinos.cn>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Yu Peng 2026-05-19 16:16:20 +08:00 committed by Steven Rostedt
parent bb4613842e
commit 5ec75d6a1b
1 changed files with 3 additions and 6 deletions
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9
kernel/trace/trace_branch.c
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@ -181,8 +181,7 @@ __init static int init_branch_tracer(void)
ret = register_trace_event(&trace_branch_event);
if (!ret) {
printk(KERN_WARNING "Warning: could not register "
"branch events\n");
pr_warn("Warning: could not register branch events\n");
return 1;
}
return register_tracer(&branch_trace);
@ -374,8 +373,7 @@ __init static int init_annotated_branch_stats(void)
ret = register_stat_tracer(&annotated_branch_stats);
if (ret) {
printk(KERN_WARNING "Warning: could not register "
"annotated branches stats\n");
pr_warn("Warning: could not register annotated branches stats\n");
return ret;
}
return 0;
@ -439,8 +437,7 @@ __init static int all_annotated_branch_stats(void)
ret = register_stat_tracer(&all_branch_stats);
if (ret) {
printk(KERN_WARNING "Warning: could not register "
"all branches stats\n");
pr_warn("Warning: could not register all branches stats\n");
return ret;
}
return 0;