Hi NeilBrown, kernel test robot noticed the following build errors: [auto build test ERROR on trondmy-nfs/linux-next] [also build test ERROR on gfs2/for-next device-mapper-dm/for-next linus/master v6.11-rc4 next-20240820] [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/NeilBrown/i915-remove-wake_up-on-I915_RESET_MODESET/20240819-134414 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next patch link: https://lore.kernel.org/r/20240819053605.11706-3-neilb%40suse.de patch subject: [PATCH 2/9] Introduce atomic_dec_and_wake_up_var(). config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240821/202408211354.SHlpNZbs-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240821/202408211354.SHlpNZbs-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/202408211354.SHlpNZbs-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/i915/i915_request.c:2277: >> drivers/gpu/drm/i915/selftests/i915_request.c:1533:9: error: call to undeclared function 'atomic_dec_and_wakeup_var'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1533 | return atomic_dec_and_wakeup_var(&i915->selftest.counter); | ^ drivers/gpu/drm/i915/selftests/i915_request.c:1533:9: note: did you mean 'atomic_dec_and_wake_up_var'? include/linux/wait_bit.h:338:20: note: 'atomic_dec_and_wake_up_var' declared here 338 | static inline bool atomic_dec_and_wake_up_var(atomic_t *var) | ^ 1 error generated. vim +/atomic_dec_and_wakeup_var +1533 drivers/gpu/drm/i915/selftests/i915_request.c 1530 1531 static bool wake_all(struct drm_i915_private *i915) 1532 { > 1533 return atomic_dec_and_wakeup_var(&i915->selftest.counter); 1534 } 1535 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
