@@ -4274,6 +4274,12 @@ sub process {
"Prefer dev_$level(... to dev_printk(KERN_$orig, ...\n" . $herecurr);
}
+# trace_printk should not be used in production code.
+ if ($line =~ /\b(trace_printk|trace_puts|ftrace_vprintk)\s*\(/) {
+ WARN("TRACE_PRINTK",
+ "Do not use $1() in production code (this can be ignored if built only with a debug config option)\n" . $herecurr);
+ }
+
# ENOSYS means "bad syscall nr" and nothing else. This will have a small
# number of false positives, but assembly files are not checked, so at
# least the arch entry code will not trigger this warning.