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

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>

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index d1564db95a8f5a003a38ec15cfe9d870ffbdee27..d8e97ad798f075198efb8a423fa4b5fb9e093cdb 100644 (file)
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -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;