Messages in this thread | | | Date | Sat, 7 Aug 2021 11:09:44 +0800 | From | kernel test robot <> | Subject | [arm-integrator:kernel-in-vmalloc-v5.14-rc1 9/9] include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'char *' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.14-rc1 head: 7c9dd64f2a22ee380da41e511593de3bc5c67f30 commit: 7c9dd64f2a22ee380da41e511593de3bc5c67f30 [9/9] compile fix config: arm-am200epdkit_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=7c9dd64f2a22ee380da41e511593de3bc5c67f30 git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.14-rc1 git checkout 7c9dd64f2a22ee380da41e511593de3bc5c67f30 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/arm/mm/init.c:97:13: warning: no previous prototype for 'setup_dma_zone' [-Wmissing-prototypes] 97 | void __init setup_dma_zone(const struct machine_desc *mdesc) | ^~~~~~~~~~~~~~ arch/arm/mm/init.c:318:13: warning: no previous prototype for 'mem_init_print_arm_info' [-Wmissing-prototypes] 318 | void __init mem_init_print_arm_info(void) | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/printk.h:7, from include/linux/kernel.h:19, from arch/arm/mm/init.c:7: arch/arm/mm/init.c: In function 'mem_init_print_arm_info': >> include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'char *' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:13:21: note: in expansion of macro 'KERN_SOH' 13 | #define KERN_NOTICE KERN_SOH "5" /* normal but significant condition */ | ^~~~~~~~ include/linux/printk.h:410:9: note: in expansion of macro 'KERN_NOTICE' 410 | printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ arch/arm/mm/init.c:321:2: note: in expansion of macro 'pr_notice' 321 | pr_notice("Virtual kernel memory layout:\n" | ^~~~~~~~~ >> include/linux/kern_levels.h:5:18: warning: too many arguments for format [-Wformat-extra-args] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:13:21: note: in expansion of macro 'KERN_SOH' 13 | #define KERN_NOTICE KERN_SOH "5" /* normal but significant condition */ | ^~~~~~~~ include/linux/printk.h:410:9: note: in expansion of macro 'KERN_NOTICE' 410 | printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ arch/arm/mm/init.c:321:2: note: in expansion of macro 'pr_notice' 321 | pr_notice("Virtual kernel memory layout:\n" | ^~~~~~~~~
vim +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_<LEVEL> to a 2 byte pattern
:::::: TO: Joe Perches <joe@perches.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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