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owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Jan 31, 2025 at 05:43:28PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: f5604ad70091eabe663ea7106ced99449d653320 > commit: 951452b2ec82d352a69f14cfffdeb7c08461eefb [106/111] mm: further refactor commit_merge() > config: x86_64-buildonly-randconfig-001-20250131 (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-lkp@intel.com/config) > compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250131/202501311708.dRI35epU-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202501311708.dRI35epU-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > In file included from include/linux/kernel.h:31, > from mm/debug.c:9: > mm/debug.c: In function 'dump_vmg': > >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=] > 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ Well that'll teach me for assuming a compiler with CONFIG_WERROR on will actually... report warnings as errors. Apparently not. Will send a follow up fix-patch... > | ^~~~~~ > include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap' > 473 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~ > include/linux/printk.h:554:9: note: in expansion of macro 'printk' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~ > include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH' > 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */ > | ^~~~~~~~ > include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~~~~~~~ > mm/debug.c:262:9: note: in expansion of macro 'pr_warn' > 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n" > | ^~~~~~~ > >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=] > 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ > | ^~~~~~ > include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap' > 473 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~ > include/linux/printk.h:554:9: note: in expansion of macro 'printk' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~ > include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH' > 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */ > | ^~~~~~~~ > include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~~~~~~~ > mm/debug.c:262:9: note: in expansion of macro 'pr_warn' > 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n" > | ^~~~~~~ > >> include/linux/kern_levels.h:5:25: warning: unknown conversion type character 'b' in format [-Wformat=] > 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ > | ^~~~~~ > include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap' > 473 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~ > include/linux/printk.h:554:9: note: in expansion of macro 'printk' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~ > include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH' > 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */ > | ^~~~~~~~ > include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~~~~~~~ > mm/debug.c:262:9: note: in expansion of macro 'pr_warn' > 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n" > | ^~~~~~~ > >> include/linux/kern_levels.h:5:25: warning: too many arguments for format [-Wformat-extra-args] > 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ > | ^~~~~~ > include/linux/printk.h:473:25: note: in definition of macro 'printk_index_wrap' > 473 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~ > include/linux/printk.h:554:9: note: in expansion of macro 'printk' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~ > include/linux/kern_levels.h:12:25: note: in expansion of macro 'KERN_SOH' > 12 | #define KERN_WARNING KERN_SOH "4" /* warning conditions */ > | ^~~~~~~~ > include/linux/printk.h:554:16: note: in expansion of macro 'KERN_WARNING' > 554 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~~~~~~~ > mm/debug.c:262:9: note: in expansion of macro 'pr_warn' > 262 | pr_warn("vmg %px state: mm %px pgoff %lx\n" > | ^~~~~~~ > > > vim +/b +5 include/linux/kern_levels.h > > 314ba3520e513a Joe Perches 2012-07-30 4 > 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ > 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' > 04d2c8c83d0e3a Joe Perches 2012-07-30 7 > > :::::: The code at line 5 was first introduced by commit > :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_ to a 2 byte pattern > > :::::: TO: Joe Perches > :::::: CC: Linus Torvalds > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki