Hi Alexei, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Alexei-Starovoitov/drm-bpf-Move-drm_mm-c-to-lib-to-be-used-by-bpf-arena/20241102-075645 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20241101235453.63380-3-alexei.starovoitov%40gmail.com patch subject: [PATCH bpf-next 2/2] bpf: Switch bpf arena to use drm_mm instead of maple_tree config: i386-randconfig-003-20241104 (https://download.01.org/0day-ci/archive/20241105/202411051357.3XLBnPy3-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/20241105/202411051357.3XLBnPy3-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/202411051357.3XLBnPy3-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: lib/drm_mm.o: in function `show_leaks': >> lib/drm_mm.c:135: undefined reference to `__drm_err' >> ld: lib/drm_mm.c:129: undefined reference to `__drm_err' vim +135 lib/drm_mm.c 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 117 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 118 static void show_leaks(struct drm_mm *mm) 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 119 { 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 120 struct drm_mm_node *node; 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 121 char *buf; 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 122 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 123 buf = kmalloc(BUFSZ, GFP_KERNEL); 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 124 if (!buf) 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 125 return; 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 126 2bc98c86517b08 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-12-22 127 list_for_each_entry(node, drm_mm_nodes(mm), node_list) { 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 128 if (!node->stack) { 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 @129 DRM_ERROR("node [%08llx + %08llx]: unknown owner\n", 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 130 node->start, node->size); 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 131 continue; 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 132 } 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 133 0f68d45ef41abb drivers/gpu/drm/drm_mm.c Imran Khan 2021-11-08 134 stack_depot_snprint(node->stack, buf, BUFSZ, 0); 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 @135 DRM_ERROR("node [%08llx + %08llx]: inserted at\n%s", 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 136 node->start, node->size, buf); 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 137 } 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 138 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 139 kfree(buf); 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 140 } 5705670d046342 drivers/gpu/drm/drm_mm.c Chris Wilson 2016-10-31 141 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
