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Date: Thu, 17 Mar 2022 19:15:38 +0800 From: kernel test robot <lkp@...el.com> To: Ingo Molnar <mingo@...nel.org> Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org Subject: [mingo-tip:master 1788/2335] lib/memcat_p.c:10:8: warning: no previous prototype for '__memcat_p' tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master head: 85293bf3fca6d85608cff1447ce3097583f15fab commit: f4a35864aeccc248d3c2122bf0a8f2ba77ea8c2f [1788/2335] headers/deps: smp: Optimize <linux/smp.h> dependencies, remove <linux/smp_api.h> inclusion config: i386-randconfig-a001-20220314 (https://download.01.org/0day-ci/archive/20220317/202203171924.u5fkdJOH-lkp@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=f4a35864aeccc248d3c2122bf0a8f2ba77ea8c2f git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git git fetch --no-tags mingo-tip master git checkout f4a35864aeccc248d3c2122bf0a8f2ba77ea8c2f # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): >> lib/memcat_p.c:10:8: warning: no previous prototype for '__memcat_p' [-Wmissing-prototypes] 10 | void **__memcat_p(void **a, void **b) | ^~~~~~~~~~ vim +/__memcat_p +10 lib/memcat_p.c 93048c0944150b Alexander Shishkin 2018-10-16 4 93048c0944150b Alexander Shishkin 2018-10-16 5 /* 93048c0944150b Alexander Shishkin 2018-10-16 6 * Merge two NULL-terminated pointer arrays into a newly allocated 93048c0944150b Alexander Shishkin 2018-10-16 7 * array, which is also NULL-terminated. Nomenclature is inspired by 93048c0944150b Alexander Shishkin 2018-10-16 8 * memset_p() and memcat() found elsewhere in the kernel source tree. 93048c0944150b Alexander Shishkin 2018-10-16 9 */ 93048c0944150b Alexander Shishkin 2018-10-16 @10 void **__memcat_p(void **a, void **b) :::::: The code at line 10 was first introduced by commit :::::: 93048c0944150b316a15f92c41a4d626c8df37fd lib: Fix ia64 bootloader linkage :::::: TO: Alexander Shishkin <alexander.shishkin@...ux.intel.com> :::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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