Hi Daniel, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.12-rc2 next-20241004] [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/Daniel-Yang/resolve-gtp-possible-deadlock-warning/20241005-125510 base: linus/master patch link: https://lore.kernel.org/r/20241005045411.118720-1-danielyangkang%40gmail.com patch subject: [PATCH v2] resolve gtp possible deadlock warning config: x86_64-buildonly-randconfig-005-20241007 (https://download.01.org/0day-ci/archive/20241007/202410072002.hT2D7135-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241007/202410072002.hT2D7135-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/202410072002.hT2D7135-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> net/smc/af_smc.c:22:9: warning: 'pr_fmt' macro redefined [-Wmacro-redefined] 22 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | ^ include/linux/printk.h:380:9: note: previous definition is here 380 | #define pr_fmt(fmt) fmt | ^ 1 warning generated. vim +/pr_fmt +22 net/smc/af_smc.c ac7138746e1413 Ursula Braun 2017-01-09 @22 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt ac7138746e1413 Ursula Braun 2017-01-09 23 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki