Messages in this thread | | | Date | Tue, 16 Nov 2021 08:38:59 +0800 | From | kernel test robot <> | Subject | arch/mips/boot/compressed/../../lib/bswapsi.c:5:22: warning: no previous prototype for '__bswapsi2' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: f78b25ee922ef6faf59a258af1b9388ca894cfd9 mips: decompressor: do not copy source files while building date: 5 days ago config: mips-loongson1b_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f78b25ee922ef6faf59a258af1b9388ca894cfd9 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f78b25ee922ef6faf59a258af1b9388ca894cfd9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/mips/boot/compressed/bswapsi.c:2: >> arch/mips/boot/compressed/../../lib/bswapsi.c:5:22: warning: no previous prototype for '__bswapsi2' [-Wmissing-prototypes] 5 | unsigned int notrace __bswapsi2(unsigned int u) | ^~~~~~~~~~ -- In file included from arch/mips/boot/compressed/ashldi3.c:2: >> arch/mips/boot/compressed/../../../../lib/ashldi3.c:9:19: warning: no previous prototype for '__ashldi3' [-Wmissing-prototypes] 9 | long long notrace __ashldi3(long long u, word_type b) | ^~~~~~~~~
vim +/__bswapsi2 +5 arch/mips/boot/compressed/../../lib/bswapsi.c
1ee3630a3e57f3 Ralf Baechle 2015-09-29 4 aedcfbe06558a9 Harvey Hunt 2016-05-25 @5 unsigned int notrace __bswapsi2(unsigned int u) 1ee3630a3e57f3 Ralf Baechle 2015-09-29 6 { 1ee3630a3e57f3 Ralf Baechle 2015-09-29 7 return (((u) & 0xff000000) >> 24) | 1ee3630a3e57f3 Ralf Baechle 2015-09-29 8 (((u) & 0x00ff0000) >> 8) | 1ee3630a3e57f3 Ralf Baechle 2015-09-29 9 (((u) & 0x0000ff00) << 8) | 1ee3630a3e57f3 Ralf Baechle 2015-09-29 10 (((u) & 0x000000ff) << 24); 1ee3630a3e57f3 Ralf Baechle 2015-09-29 11 } 1ee3630a3e57f3 Ralf Baechle 2015-09-29 12
:::::: The code at line 5 was first introduced by commit :::::: aedcfbe06558a9f53002e82d5be64c6c94687726 MIPS: lib: Mark intrinsics notrace
:::::: TO: Harvey Hunt <harvey.hunt@imgtec.com> :::::: CC: Ralf Baechle <ralf@linux-mips.org>
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