Hi Kernel Test Robot, On Sat, Feb 27, 2021 at 3:47 AM kernel test robot <l...@intel.com> wrote: > FYI, the error/warning still remains.
My response in https://lore.kernel.org/linux-arm-kernel/CAMuHMdVmMLvvJ4mAa+y8JCJ2+5Bwu2W=psgn3toC1msTghn=x...@mail.gmail.com/ is still valid. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 3fb6d0e00efc958d01c2f109c8453033a2d96796 > commit: 0673cb38951215060d7993b43ad3c45cd413c2c3 ARM: 9045/1: uncompress: > Validate start of physical memory against passed DTB > date: 4 weeks ago > config: arm-randconfig-r003-20210226 (attached as .config) > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project > b889ef4214bc6dc8880fdd4badc0dcd9a3197753) > 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 > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0673cb38951215060d7993b43ad3c45cd413c2c3 > git remote add linus > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 0673cb38951215060d7993b43ad3c45cd413c2c3 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <l...@intel.com> > > All warnings (new ones prefixed by >>): > > >> arch/arm/boot/compressed/fdt_check_mem_start.c:62:10: warning: no previous > >> prototype for function 'fdt_check_mem_start' [-Wmissing-prototypes] > uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) > ^ > arch/arm/boot/compressed/fdt_check_mem_start.c:62:1: note: declare > 'static' if the function is not intended to be used outside of this > translation unit > uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) > ^ > static > 1 warning generated. > > > vim +/fdt_check_mem_start +62 arch/arm/boot/compressed/fdt_check_mem_start.c > > 46 > 47 /* > 48 * Check the start of physical memory > 49 * > 50 * Traditionally, the start address of physical memory is obtained by > masking > 51 * the program counter. However, this does require that this address > is a > 52 * multiple of 128 MiB, precluding booting Linux on platforms where > this > 53 * requirement is not fulfilled. > 54 * Hence validate the calculated address against the memory > information in the > 55 * DTB, and, if out-of-range, replace it by the real start address. > 56 * To preserve backwards compatibility (systems reserving a block of > memory > 57 * at the start of physical memory, kdump, ...), the traditional > method is > 58 * always used if it yields a valid address. > 59 * > 60 * Return value: start address of physical memory to use > 61 */ > > 62 uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt) > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org -- Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds