tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0fc4bfab2cd45f9acb86c4f04b5191e114e901ed commit: dc6fcaaba5a5411237d042a26c4d46689f3346bb [699/8232] drm/omap: Allow build with COMPILE_TEST=y config: loongarch-randconfig-r081-20240626 (https://download.01.org/0day-ci/archive/20240626/202406260332.708z8QIw-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240626/202406260332.708z8QIw-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/202406260332.708z8QIw-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/shm.h:6, from include/linux/sched.h:23, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/dma-mapping.h:8, from drivers/gpu/drm/omapdrm/omap_gem.c:7: drivers/gpu/drm/omapdrm/omap_gem.c: In function 'omap_gem_pin_tiler': >> arch/loongarch/include/asm/page.h:15:25: warning: conversion from 'long unsigned int' to 'u16' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow] 15 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/omapdrm/omap_gem.c:757:42: note: in expansion of macro 'PAGE_SIZE' 757 | PAGE_SIZE); | ^~~~~~~~~ drivers/gpu/drm/omapdrm/omap_gem.c: In function 'omap_gem_init': >> arch/loongarch/include/asm/page.h:15:25: warning: conversion from 'long unsigned int' to 'u16' {aka 'short unsigned int'} changes value from '65536' to '0' [-Woverflow] 15 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/omapdrm/omap_gem.c:1503:65: note: in expansion of macro 'PAGE_SIZE' 1503 | block = tiler_reserve_2d(fmts[i], w, h, PAGE_SIZE); | ^~~~~~~~~ vim +15 arch/loongarch/include/asm/page.h 09cfefb7fa70c3 Huacai Chen 2022-05-31 10 09cfefb7fa70c3 Huacai Chen 2022-05-31 11 /* 09cfefb7fa70c3 Huacai Chen 2022-05-31 12 * PAGE_SHIFT determines the page size 09cfefb7fa70c3 Huacai Chen 2022-05-31 13 */ ba89f9c8ccbad3 Arnd Bergmann 2024-02-23 14 #define PAGE_SHIFT CONFIG_PAGE_SHIFT 09cfefb7fa70c3 Huacai Chen 2022-05-31 @15 #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) 09cfefb7fa70c3 Huacai Chen 2022-05-31 16 #define PAGE_MASK (~(PAGE_SIZE - 1)) 09cfefb7fa70c3 Huacai Chen 2022-05-31 17 :::::: The code at line 15 was first introduced by commit :::::: 09cfefb7fa70c3af011b0db0a513fd80b2f18abc LoongArch: Add memory management :::::: TO: Huacai Chen <chenhuacai@xxxxxxxxxxx> :::::: CC: Huacai Chen <chenhuacai@xxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
