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Message-ID: <202109282119.XmUa6yKE-lkp@intel.com>
Date: Tue, 28 Sep 2021 21:36:35 +0800
From: kernel test robot <lkp@...el.com>
To: Lauri Kasanen <cand@....com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: arch/mips/kernel/linux32.c:102:20: warning: no previous prototype
for 'sys32_readahead'
Hi Lauri,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0513e464f9007b70b96740271a948ca5ab6e7dd7
commit: baec970aa5ba11099ad7a91773350c91fb2113f0 mips: Add N64 machine type
date: 8 months ago
config: mips-randconfig-r003-20210928 (attached as .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=baec970aa5ba11099ad7a91773350c91fb2113f0
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout baec970aa5ba11099ad7a91773350c91fb2113f0
# 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@...el.com>
All warnings (new ones prefixed by >>):
>> arch/mips/kernel/linux32.c:102:20: warning: no previous prototype for 'sys32_readahead' [-Wmissing-prototypes]
102 | asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3,
| ^~~~~~~~~~~~~~~
>> arch/mips/kernel/linux32.c:108:17: warning: no previous prototype for 'sys32_sync_file_range' [-Wmissing-prototypes]
108 | asmlinkage long sys32_sync_file_range(int fd, int __pad,
| ^~~~~~~~~~~~~~~~~~~~~
>> arch/mips/kernel/linux32.c:118:17: warning: no previous prototype for 'sys32_fadvise64_64' [-Wmissing-prototypes]
118 | asmlinkage long sys32_fadvise64_64(int fd, int __pad,
| ^~~~~~~~~~~~~~~~~~
>> arch/mips/kernel/linux32.c:128:17: warning: no previous prototype for 'sys32_fallocate' [-Wmissing-prototypes]
128 | asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2,
| ^~~~~~~~~~~~~~~
--
>> arch/mips/kernel/signal32.c:33:16: warning: no previous prototype for 'sys32_sigsuspend' [-Wmissing-prototypes]
33 | asmlinkage int sys32_sigsuspend(compat_sigset_t __user *uset)
| ^~~~~~~~~~~~~~~~
--
>> arch/mips/kernel/signal_n32.c:54:17: warning: no previous prototype for 'sysn32_rt_sigreturn' [-Wmissing-prototypes]
54 | asmlinkage void sysn32_rt_sigreturn(void)
| ^~~~~~~~~~~~~~~~~~~
--
>> arch/mips/kernel/signal_o32.c:154:17: warning: no previous prototype for 'sys32_rt_sigreturn' [-Wmissing-prototypes]
154 | asmlinkage void sys32_rt_sigreturn(void)
| ^~~~~~~~~~~~~~~~~~
>> arch/mips/kernel/signal_o32.c:256:17: warning: no previous prototype for 'sys32_sigreturn' [-Wmissing-prototypes]
256 | asmlinkage void sys32_sigreturn(void)
| ^~~~~~~~~~~~~~~
vim +/sys32_readahead +102 arch/mips/kernel/linux32.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 101
^1da177e4c3f41 Linus Torvalds 2005-04-16 @102 asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3,
^1da177e4c3f41 Linus Torvalds 2005-04-16 103 size_t count)
^1da177e4c3f41 Linus Torvalds 2005-04-16 104 {
c7b95d5156a9ee Dominik Brodowski 2018-03-19 105 return ksys_readahead(fd, merge_64(a2, a3), count);
^1da177e4c3f41 Linus Torvalds 2005-04-16 106 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 107
a8d587a71b7632 Ralf Baechle 2006-04-01 @108 asmlinkage long sys32_sync_file_range(int fd, int __pad,
a8d587a71b7632 Ralf Baechle 2006-04-01 109 unsigned long a2, unsigned long a3,
a8d587a71b7632 Ralf Baechle 2006-04-01 110 unsigned long a4, unsigned long a5,
a8d587a71b7632 Ralf Baechle 2006-04-01 111 int flags)
a8d587a71b7632 Ralf Baechle 2006-04-01 112 {
806cbae1228cc1 Dominik Brodowski 2018-03-11 113 return ksys_sync_file_range(fd,
a8d587a71b7632 Ralf Baechle 2006-04-01 114 merge_64(a2, a3), merge_64(a4, a5),
a8d587a71b7632 Ralf Baechle 2006-04-01 115 flags);
a8d587a71b7632 Ralf Baechle 2006-04-01 116 }
a8d587a71b7632 Ralf Baechle 2006-04-01 117
8676d2e0244cbe Atsushi Nemoto 2007-05-18 @118 asmlinkage long sys32_fadvise64_64(int fd, int __pad,
8676d2e0244cbe Atsushi Nemoto 2007-05-18 119 unsigned long a2, unsigned long a3,
8676d2e0244cbe Atsushi Nemoto 2007-05-18 120 unsigned long a4, unsigned long a5,
8676d2e0244cbe Atsushi Nemoto 2007-05-18 121 int flags)
8676d2e0244cbe Atsushi Nemoto 2007-05-18 122 {
9d5b7c956b09da Dominik Brodowski 2018-03-11 123 return ksys_fadvise64_64(fd,
8676d2e0244cbe Atsushi Nemoto 2007-05-18 124 merge_64(a2, a3), merge_64(a4, a5),
8676d2e0244cbe Atsushi Nemoto 2007-05-18 125 flags);
8676d2e0244cbe Atsushi Nemoto 2007-05-18 126 }
8676d2e0244cbe Atsushi Nemoto 2007-05-18 127
4dc467756e7783 Ralf Baechle 2007-07-26 @128 asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2,
:::::: The code at line 102 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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