Hi Christophe, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y head: a6d71d85fd0f5c89a0e3aa52de437d22485dfa61 commit: 339aab239d54368580b9a03ceca009d83a00cfb7 [2224/4044] nodemask.h: fix compilation error with GCC12 config: alpha-randconfig-r006-20230123 (https://download.01.org/0day-ci/archive/20230123/202301231026.yRe8RaLy-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 7.5.0 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/stable/linux-stable-rc.git/commit/?id=339aab239d54368580b9a03ceca009d83a00cfb7 git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-4.14.y git checkout 339aab239d54368580b9a03ceca009d83a00cfb7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross W=1 O=build_dir ARCH=alpha olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:17:0, from include/linux/gfp.h:6, from include/linux/mm.h:10, from arch/alpha/mm/numa.c:12: arch/alpha/mm/numa.c: In function 'paging_init': >> include/linux/nodemask.h:371:13: error: comparison of unsigned expression >= 0 is always true [-Werror=type-limits] (node >= 0) && (node) < MAX_NUMNODES; \ ^ include/linux/nodemask.h:424:2: note: in expansion of macro 'for_each_node_mask' for_each_node_mask((__node), node_states[__state]) ^~~~~~~~~~~~~~~~~~ include/linux/nodemask.h:504:36: note: in expansion of macro 'for_each_node_state' #define for_each_online_node(node) for_each_node_state(node, N_ONLINE) ^~~~~~~~~~~~~~~~~~~ arch/alpha/mm/numa.c:305:2: note: in expansion of macro 'for_each_online_node' for_each_online_node(nid) { ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +371 include/linux/nodemask.h 367 368 #if MAX_NUMNODES > 1 369 #define for_each_node_mask(node, mask) \ 370 for ((node) = first_node(mask); \ > 371 (node >= 0) && (node) < MAX_NUMNODES; \ 372 (node) = next_node((node), (mask))) 373 #else /* MAX_NUMNODES == 1 */ 374 #define for_each_node_mask(node, mask) \ 375 for ((node) = 0; (node) < 1 && !nodes_empty(mask); (node)++) 376 #endif /* MAX_NUMNODES */ 377 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
