tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fbfd64d25c7af3b8695201ebc85efe90be28c5a3 commit: 99185c10d5d9214d0d0c8b7866660203e344ee3b resource, kunit: add test case for region_intersects() date: 4 months ago config: arm-randconfig-001-20241228 (https://download.01.org/0day-ci/archive/20250107/202501072245.XEsNqAlW-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250107/202501072245.XEsNqAlW-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/202501072245.XEsNqAlW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> kernel/resource.c:1838:43: warning: implicit conversion from 'unsigned long long' to 'resource_size_t' (aka 'unsigned int') changes value from 68719476735 to 4294967295 [-Wconstant-conversion] end = min_t(resource_size_t, base->end, MAX_PHYS_ADDR); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ kernel/resource.c:1827:52: note: expanded from macro 'MAX_PHYS_ADDR' #define MAX_PHYS_ADDR ((1ULL << MAX_PHYSMEM_BITS) - 1) ^ include/linux/minmax.h:213:52: note: expanded from macro 'min_t' #define min_t(type, x, y) __cmp_once(min, type, x, y) ~~~~~~~~~~~~~~~~~~~~~~~~~^~ include/linux/minmax.h:96:33: note: expanded from macro '__cmp_once' __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:93:31: note: expanded from macro '__cmp_once_unique' ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) ~~ ^ kernel/resource.c:1855:45: warning: implicit conversion from 'unsigned long long' to 'resource_size_t' (aka 'unsigned int') changes value from 68719476735 to 4294967295 [-Wconstant-conversion] addr <= min_t(resource_size_t, base->end, MAX_PHYS_ADDR); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ kernel/resource.c:1827:52: note: expanded from macro 'MAX_PHYS_ADDR' #define MAX_PHYS_ADDR ((1ULL << MAX_PHYSMEM_BITS) - 1) ^ include/linux/minmax.h:213:52: note: expanded from macro 'min_t' #define min_t(type, x, y) __cmp_once(min, type, x, y) ~~~~~~~~~~~~~~~~~~~~~~~~~^~ include/linux/minmax.h:96:33: note: expanded from macro '__cmp_once' __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:93:31: note: expanded from macro '__cmp_once_unique' ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) ~~ ^ 2 warnings generated. vim +1838 kernel/resource.c 1831 1832 static resource_size_t gfr_start(struct resource *base, resource_size_t size, 1833 resource_size_t align, unsigned long flags) 1834 { 1835 if (flags & GFR_DESCENDING) { 1836 resource_size_t end; 1837 > 1838 end = min_t(resource_size_t, base->end, MAX_PHYS_ADDR); 1839 return end - size + 1; 1840 } 1841 1842 return ALIGN(max(base->start, align), align); 1843 } 1844 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
