tree: https://github.com/skeggsb/linux 03.00-disp head: 9d141f4c5d74118aa6e66daa9fde389857627d89 commit: ee9e44a497d467c04908c8329a305e8cd0e692e5 [56/65] drm/nouveau/nvkm: add a replacement for nvkm_notify config: arc-randconfig-r043-20211014 (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 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://github.com/skeggsb/linux/commit/ee9e44a497d467c04908c8329a305e8cd... git remote add skeggsb https://github.com/skeggsb/linux git fetch --no-tags skeggsb 03.00-disp git checkout ee9e44a497d467c04908c8329a305e8cd0e692e5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/nouveau/nvif/event.c:23: drivers/gpu/drm/nouveau/nvif/event.c: In function 'nvif_event_ctor': 10 | _p->func->l(_o, "[%s/%08x:%s] "f"\n", _o->client->object.name, _o->handle, _o->name, ##a); \ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/nouveau/include/nvif/printf.h:19:30: note: in expansion of macro 'NVIF_PRINT' 19 | #define NVIF_ERROR(o,f,a...) NVIF_PRINT(errorf, (o), f, ##a) | ^~~~~~~~~~ drivers/gpu/drm/nouveau/include/nvif/printf.h:24:17: note: in expansion of macro 'NVIF_ERROR' 24 | NVIF_ERROR(_object, f" (ret:%d)", ##a, _cond); \ | ^~~~~~~~~~ drivers/gpu/drm/nouveau/nvif/event.c:73:9: note: in expansion of macro 'NVIF_ERRON' 73 | NVIF_ERRON(ret, parent, "[NEW EVENT wait:%d size:%ld]", args->wait, argc - sizeof(*args)); | ^~~~~~~~~~ 10 | _p->func->l(_o, "[%s/%08x:%s] "f"\n", _o->client->object.name, _o->handle, _o->name, ##a); \ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/nouveau/include/nvif/printf.h:14:30: note: in expansion of macro 'NVIF_PRINT' 14 | #define NVIF_DEBUG(o,f,a...) NVIF_PRINT(debugf, (o), f, ##a) | ^~~~~~~~~~ drivers/gpu/drm/nouveau/include/nvif/printf.h:26:17: note: in expansion of macro 'NVIF_DEBUG' 26 | NVIF_DEBUG(_object, f, ##a); \ | ^~~~~~~~~~ drivers/gpu/drm/nouveau/nvif/event.c:73:9: note: in expansion of macro 'NVIF_ERRON' 73 | NVIF_ERRON(ret, parent, "[NEW EVENT wait:%d size:%ld]", args->wait, argc - sizeof(*args)); | ^~~~~~~~~~ vim +10 drivers/gpu/drm/nouveau/include/nvif/printf.h 3e176fd0600439 Ben Skeggs 2020-06-29 6 3e176fd0600439 Ben Skeggs 2020-06-29 7 #define NVIF_PRINT(l,o,f,a...) do { \ 3e176fd0600439 Ben Skeggs 2020-06-29 8 struct nvif_object *_o = (o); \ 3e176fd0600439 Ben Skeggs 2020-06-29 9 struct nvif_parent *_p = _o->parent; \ 3e176fd0600439 Ben Skeggs 2020-06-29 @10 _p->func->l(_o, "[%s/%08x:%s] "f"\n", _o->client->object.name, _o->handle, _o->name, ##a); \ 3e176fd0600439 Ben Skeggs 2020-06-29 11 } while(0) 3e176fd0600439 Ben Skeggs 2020-06-29 12 :::::: The code at line 10 was first introduced by commit :::::: 3e176fd0600439a8a1e0b3e95e2f0545660ab59c drm/nouveau/nvif: add support for object-level debug output :::::: TO: Ben Skeggs <bskeggs(a)redhat.com&gt; :::::: CC: Ben Skeggs <bskeggs(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org