Messages in this thread | | | Date | Mon, 13 Jun 2022 05:07:01 +0800 | From | kernel test robot <> | Subject | arch/arm/boot/compressed/atags_to_fdt.c:129:5: warning: stack frame size (1344) exceeds limit (1280) in 'atags_to_fdt' |
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Hi Ard,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 997952851843935024962b51fc36c61b3c2d1ed4 commit: 672513bf583157cc088a32e75bd850dd9f81564c ARM: decompressor: disable stack protector date: 6 months ago config: arm-randconfig-r024-20220613 (https://download.01.org/0day-ci/archive/20220613/202206130405.5RwllP8f-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6466c9abf3674bade1f6ee859f24ebc7aaf9cd88) 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=672513bf583157cc088a32e75bd850dd9f81564c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 672513bf583157cc088a32e75bd850dd9f81564c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/arm/boot/compressed/atags_to_fdt.c:129:5: warning: no previous prototype for function 'atags_to_fdt' [-Wmissing-prototypes] int atags_to_fdt(void *atag_list, void *fdt, int total_space) ^ arch/arm/boot/compressed/atags_to_fdt.c:129:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int atags_to_fdt(void *atag_list, void *fdt, int total_space) ^ static >> arch/arm/boot/compressed/atags_to_fdt.c:129:5: warning: stack frame size (1344) exceeds limit (1280) in 'atags_to_fdt' [-Wframe-larger-than] int atags_to_fdt(void *atag_list, void *fdt, int total_space) ^ 2 warnings generated.
vim +/atags_to_fdt +129 arch/arm/boot/compressed/atags_to_fdt.c
31d0b9f9982f8e Ben Dooks 2018-10-12 120 b90b9a38251e9c Nicolas Pitre 2011-09-13 121 /* b90b9a38251e9c Nicolas Pitre 2011-09-13 122 * Convert and fold provided ATAGs into the provided FDT. b90b9a38251e9c Nicolas Pitre 2011-09-13 123 * 4716e2e34a22a8 Geert Uytterhoeven 2021-05-19 124 * Return values: b90b9a38251e9c Nicolas Pitre 2011-09-13 125 * = 0 -> pretend success b90b9a38251e9c Nicolas Pitre 2011-09-13 126 * = 1 -> bad ATAG (may retry with another possible ATAG pointer) b90b9a38251e9c Nicolas Pitre 2011-09-13 127 * < 0 -> error from libfdt b90b9a38251e9c Nicolas Pitre 2011-09-13 128 */ b90b9a38251e9c Nicolas Pitre 2011-09-13 @129 int atags_to_fdt(void *atag_list, void *fdt, int total_space)
:::::: The code at line 129 was first introduced by commit :::::: b90b9a38251e9c89c34179eccde57411ceb5f1aa ARM: zImage: allow supplementing appended DTB with traditional ATAG data
:::::: TO: Nicolas Pitre <nicolas.pitre@linaro.org> :::::: CC: Nicolas Pitre <nico@fluxnic.net>
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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