Hi all, After merging the char-misc.current tree, today's linux-next build (x86_64 allmodconfig) produced this warning: In file included from include/linux/printk.h:7, from include/linux/kernel.h:15, from lib/dynamic_debug.c:16: lib/dynamic_debug.c: In function 'ddebug_parse_query': include/linux/kern_levels.h:5:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH' 14 | #define KERN_INFO KERN_SOH "6" /* informational */ | ^~~~~~~~ include/linux/printk.h:369:9: note: in expansion of macro 'KERN_INFO' 369 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~ lib/dynamic_debug.c:116:3: note: in expansion of macro 'pr_info' 116 | pr_info(fmt, ##__VA_ARGS__); \ | ^~~~~~~ lib/dynamic_debug.c:119:28: note: in expansion of macro 'vnpr_info' 119 | #define vpr_info(fmt, ...) vnpr_info(1, fmt, ##__VA_ARGS__) | ^~~~~~~~~ lib/dynamic_debug.c:388:3: note: in expansion of macro 'vpr_info' 388 | vpr_info("module:%s queries:'%s'\n", modname); | ^~~~~~~~ Introduced by commit 42f07816ac0c ("dyndbg: fix problem parsing format="foo bar"") -- Cheers, Stephen Rothwell