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-r006-20230802 (https://download.01.org/0day-ci/archive/20250108/202501080156.C8DDTI70-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250108/202501080156.C8DDTI70-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/202501080156.C8DDTI70-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/ioport.h:15, from kernel/resource.c:15: kernel/resource.c: In function 'gfr_start': >> include/linux/minmax.h:93:37: warning: conversion from 'long long unsigned int' to 'resource_size_t' {aka 'unsigned int'} changes value from '68719476735' to '4294967295' [-Woverflow] 93 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) | ^ include/linux/minmax.h:96:9: note: in expansion of macro '__cmp_once_unique' 96 | __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) | ^~~~~~~~~~~~~~~~~ include/linux/minmax.h:213:27: note: in expansion of macro '__cmp_once' 213 | #define min_t(type, x, y) __cmp_once(min, type, x, y) | ^~~~~~~~~~ kernel/resource.c:1838:23: note: in expansion of macro 'min_t' 1838 | end = min_t(resource_size_t, base->end, MAX_PHYS_ADDR); | ^~~~~ kernel/resource.c: In function 'gfr_continue': >> include/linux/minmax.h:93:37: warning: conversion from 'long long unsigned int' to 'resource_size_t' {aka 'unsigned int'} changes value from '68719476735' to '4294967295' [-Woverflow] 93 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) | ^ include/linux/minmax.h:96:9: note: in expansion of macro '__cmp_once_unique' 96 | __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) | ^~~~~~~~~~~~~~~~~ include/linux/minmax.h:213:27: note: in expansion of macro '__cmp_once' 213 | #define min_t(type, x, y) __cmp_once(min, type, x, y) | ^~~~~~~~~~ kernel/resource.c:1855:25: note: in expansion of macro 'min_t' 1855 | addr <= min_t(resource_size_t, base->end, MAX_PHYS_ADDR); | ^~~~~ vim +93 include/linux/minmax.h d03eba99f5bf7c David Laight 2023-09-18 91 017fa3e8918784 Linus Torvalds 2024-07-28 92 #define __cmp_once_unique(op, type, x, y, ux, uy) \ 017fa3e8918784 Linus Torvalds 2024-07-28 @93 ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) 017fa3e8918784 Linus Torvalds 2024-07-28 94 :::::: The code at line 93 was first introduced by commit :::::: 017fa3e89187848fd056af757769c9e66ac3e93d minmax: simplify and clarify min_t()/max_t() implementation :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
