The patch titled Subject: fix for "printk: introduce dump_stack_lvl()" has been added to the -mm tree. Its filename is printk-introduce-dump_stack_lvl-fix.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/printk-introduce-dump_stack_lvl-fix.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/printk-introduce-dump_stack_lvl-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Marco Elver <elver@xxxxxxxxxx> Subject: fix for "printk: introduce dump_stack_lvl()" Add missing dump_stack_lvl() stub if CONFIG_PRINTK=n. Link: https://lkml.kernel.org/r/YJ0KAM0hQev1AmWe@xxxxxxxxxxxxxxxx Signed-off-by: Marco Elver <elver@xxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/printk.h | 4 ++++ 1 file changed, 4 insertions(+) --- a/include/linux/printk.h~printk-introduce-dump_stack_lvl-fix +++ a/include/linux/printk.h @@ -270,6 +270,10 @@ static inline void show_regs_print_info( { } +static inline void dump_stack_lvl(const char *log_lvl) +{ +} + static inline void dump_stack(void) { } _ Patches currently in -mm which might be from elver@xxxxxxxxxx are printk-introduce-dump_stack_lvl-fix.patch