[kbuild-all] [jirislaby:devel 41/62] include/asm-generic/bug.h:68:3: error: implicit declaration of function 'printk'; did you mean '_printk'?

tree: https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel head: fb40a2c5242ac12784ec96caeede97082e3c1813 commit: a19a6a12ffba0cf0e400e6abefd49a87b119ff4a [41/62] include condition in the BUG_ON/WARN_ON output config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-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/jirislaby/linux.git/commi... git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git git fetch --no-tags jirislaby devel git checkout a19a6a12ffba0cf0e400e6abefd49a87b119ff4a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from arch/arm64/include/asm/bug.h:26, from include/linux/bug.h:5, from include/linux/cpumask.h:14, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/mutex.h:17, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/of.h:17, from include/linux/irqdomain.h:35, from include/linux/acpi.h:13, from arch/arm64/kernel/setup.c:9: arch/arm64/kernel/setup.c: In function 'dump_kernel_offset': 68 | printk("BUG: '%s' is true!\n", __stringify(condition)); \ | ^~~~~~ include/linux/mmdebug.h:17:25: note: in expansion of macro 'BUG_ON' 17 | #define VM_BUG_ON(cond) BUG_ON(cond) | ^~~~~~ arch/arm64/include/asm/memory.h:184:25: note: in expansion of macro 'VM_BUG_ON' 184 | #define PHYS_OFFSET ({ VM_BUG_ON(memstart_addr & 1); memstart_addr; }) | ^~~~~~~~~ include/linux/printk.h:430:19: note: in expansion of macro 'PHYS_OFFSET' 430 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:434:26: note: in expansion of macro 'printk_index_wrap' 434 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~~ include/linux/printk.h:447:2: note: in expansion of macro 'printk' 447 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ arch/arm64/kernel/setup.c:422:3: note: in expansion of macro 'pr_emerg' 422 | pr_emerg("PHYS_OFFSET: 0x%llx\n", PHYS_OFFSET); | ^~~~~~~~ cc1: some warnings being treated as errors vim +68 include/asm-generic/bug.h 64 65 #ifndef HAVE_ARCH_BUG_ON 66 #define BUG_ON(condition) do { \ 67 if (unlikely(condition)) { \ 69 BUG(); \ 70 } \ 71 } while(0) 72 #endif 73 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org