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From: kernel test robot <lkp@intel.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: arch/mips/boot/compressed/../../lib/bswapdi.c:5:28: warning: no previous prototype for '__bswapdi2'
Date: Fri, 15 Apr 2022 01:05:31 +0800	[thread overview]
Message-ID: <202204150055.OrZCCMZl-lkp@intel.com> (raw)

Hi Masahiro,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a19944809fe9942e6a96292490717904d0690c21
commit: f78b25ee922ef6faf59a258af1b9388ca894cfd9 mips: decompressor: do not copy source files while building
date:   5 months ago
config: mips-randconfig-r016-20220414 (https://download.01.org/0day-ci/archive/20220415/202204150055.OrZCCMZl-lkp@intel.com/config)
compiler: mips64-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 config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash

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/bswapdi.c:2:
>> arch/mips/boot/compressed/../../lib/bswapdi.c:5:28: warning: no previous prototype for '__bswapdi2' [-Wmissing-prototypes]
       5 | unsigned long long notrace __bswapdi2(unsigned long long u)
         |                            ^~~~~~~~~~


vim +/__bswapdi2 +5 arch/mips/boot/compressed/../../lib/bswapdi.c

1ee3630a3e57f3 Ralf Baechle 2015-09-29   4  
aedcfbe06558a9 Harvey Hunt  2016-05-25  @5  unsigned long long notrace __bswapdi2(unsigned long long u)
1ee3630a3e57f3 Ralf Baechle 2015-09-29   6  {
1ee3630a3e57f3 Ralf Baechle 2015-09-29   7  	return (((u) & 0xff00000000000000ull) >> 56) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29   8  	       (((u) & 0x00ff000000000000ull) >> 40) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29   9  	       (((u) & 0x0000ff0000000000ull) >> 24) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29  10  	       (((u) & 0x000000ff00000000ull) >>  8) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29  11  	       (((u) & 0x00000000ff000000ull) <<  8) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29  12  	       (((u) & 0x0000000000ff0000ull) << 24) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29  13  	       (((u) & 0x000000000000ff00ull) << 40) |
1ee3630a3e57f3 Ralf Baechle 2015-09-29  14  	       (((u) & 0x00000000000000ffull) << 56);
1ee3630a3e57f3 Ralf Baechle 2015-09-29  15  }
1ee3630a3e57f3 Ralf Baechle 2015-09-29  16  

:::::: 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>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

             reply	other threads:[~2022-04-14 17:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-14 17:05 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-07-08  5:39 arch/mips/boot/compressed/../../lib/bswapdi.c:5:28: warning: no previous prototype for '__bswapdi2' kernel test robot
2022-06-09 12:39 kernel test robot
2022-05-24  7:27 kernel test robot
2022-03-17 23:01 kernel test robot

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