tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: e1edc277e6f6dfb372216522dfc57f9381c39e35 linux/container_of.h: switch to static_assert date: 5 days ago config: alpha-randconfig-r012-20211115 (attached as .config) compiler: alpha-linux-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e1edc277e6f6dfb372216522dfc57f9381c39e35 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e1edc277e6f6dfb372216522dfc57f9381c39e35 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/dma-fence.h:17, from drivers/gpu/drm/drm_file.c:35: drivers/gpu/drm/drm_file.c: In function 'drm_open_helper': drivers/gpu/drm/drm_file.c:385:56: error: 'pci_root_buses' undeclared (first use in this function); did you mean 'pci_is_root_bus'? 385 | struct pci_bus *b = list_entry(pci_root_buses.next, | ^~~~~~~~~~~~~~ include/linux/container_of.h:18:33: note: in definition of macro 'container_of' 18 | void *__mptr = (void *)(ptr); \ | ^~~ drivers/gpu/drm/drm_file.c:385:45: note: in expansion of macro 'list_entry' 385 | struct pci_bus *b = list_entry(pci_root_buses.next, | ^~~~~~~~~~ drivers/gpu/drm/drm_file.c:385:56: note: each undeclared identifier is reported only once for each function it appears in 385 | struct pci_bus *b = list_entry(pci_root_buses.next, | ^~~~~~~~~~~~~~ include/linux/container_of.h:18:33: note: in definition of macro 'container_of' 18 | void *__mptr = (void *)(ptr); \ | ^~~ drivers/gpu/drm/drm_file.c:385:45: note: in expansion of macro 'list_entry' 385 | struct pci_bus *b = list_entry(pci_root_buses.next, | ^~~~~~~~~~ In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/dma-fence.h:17, from drivers/gpu/drm/drm_file.c:35: >> include/linux/compiler_types.h:276:27: error: expression in static assertion is not an integer 276 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ include/linux/container_of.h:19:9: note: in expansion of macro 'static_assert' 19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~~~ include/linux/container_of.h:19:23: note: in expansion of macro '__same_type' 19 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~ include/linux/list.h:513:9: note: in expansion of macro 'container_of' 513 | container_of(ptr, type, member) | ^~~~~~~~~~~~ drivers/gpu/drm/drm_file.c:385:45: note: in expansion of macro 'list_entry' 385 | struct pci_bus *b = list_entry(pci_root_buses.next, | ^~~~~~~~~~ vim +276 include/linux/compiler_types.h eb111869301e15 Rasmus Villemoes 2019-09-13 274 d15155824c5014 Will Deacon 2017-10-24 275 /* Are two types/vars the same type (ignoring qualifiers)? */ d15155824c5014 Will Deacon 2017-10-24 @276 #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) d15155824c5014 Will Deacon 2017-10-24 277 :::::: The code at line 276 was first introduced by commit :::::: d15155824c5014803d91b829736d249c500bdda6 linux/compiler.h: Split into compiler.h and compiler_types.h :::::: TO: Will Deacon <will.deacon@xxxxxxx> :::::: CC: Ingo Molnar <mingo@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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