Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on tip/locking/core] [also build test ERROR on arnd-asm-generic/master brauner-vfs/vfs.all vfs-idmapping/for-next linus/master v6.7-rc7 next-20231222] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Matthew-Wilcox/Re-PATCH-kernel-Introduce-a-write-lock-unlock-wrapper-for-tasklist_lock/20231229-062352 base: tip/locking/core patch link: https://lore.kernel.org/r/ZY30k7OCtxrdR9oP%40casper.infradead.org patch subject: Re: [PATCH] kernel: Introduce a write lock/unlock wrapper for tasklist_lock config: i386-randconfig-011-20231229 (https://download.01.org/0day-ci/archive/20231229/202312291936.G87eGfCo-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231229/202312291936.G87eGfCo-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312291936.G87eGfCo-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): kernel/locking/spinlock_debug.c: In function 'do_raw_write_lock_irq': >> kernel/locking/spinlock_debug.c:217:9: error: implicit declaration of function 'arch_write_lock_irq'; did you mean '_raw_write_lock_irq'? [-Werror=implicit-function-declaration] 217 | arch_write_lock_irq(&lock->raw_lock); | ^~~~~~~~~~~~~~~~~~~ | _raw_write_lock_irq cc1: some warnings being treated as errors vim +217 kernel/locking/spinlock_debug.c 213 214 void do_raw_write_lock_irq(rwlock_t *lock) 215 { 216 debug_write_lock_before(lock); > 217 arch_write_lock_irq(&lock->raw_lock); 218 debug_write_lock_after(lock); 219 } 220 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
