From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
Date: Wed, 09 Mar 2022 13:17:51 +0800 [thread overview]
Message-ID: <202203091323.ZH5QynBW-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Dmitry Osipenko <digetx@gmail.com>
CC: Daniel Lezcano <daniel.lezcano@linaro.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 92f90cc9fe0e7a984ea3d4bf3d120e30ba8a2118
commit: 8f8d8b0334cc4e7908b78e73936a7673bbef0411 thermal/drivers/tegra: Correct compile-testing of drivers
date: 7 months ago
:::::: branch date: 12 hours ago
:::::: commit date: 7 months ago
config: mips-randconfig-s031-20220302 (https://download.01.org/0day-ci/archive/20220309/202203091323.ZH5QynBW-lkp(a)intel.com/config)
compiler: mips-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8f8d8b0334cc4e7908b78e73936a7673bbef0411
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 8f8d8b0334cc4e7908b78e73936a7673bbef0411
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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>
sparse warnings: (new ones prefixed by >>)
command-line: note: in included file:
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined
builtin:0:0: sparse: this was the original definition
drivers/thermal/tegra/soctherm.c: note: in included file (through include/linux/bitops.h, include/linux/kernel.h, include/linux/list.h, ...):
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
>> arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow
vim +445 arch/mips/include/asm/bitops.h
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 431
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 432 /*
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 433 * ffs - find first bit set.
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 434 * @word: The word to search
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 435 *
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 436 * This is defined the same way as
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 437 * the libc and compiler builtin ffs routines, therefore
99b40ced9ef63ce arch/mips/include/asm/bitops.h Geert Uytterhoeven 2021-01-08 438 * differs in spirit from the below ffz (man ffs).
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 439 */
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 440 static inline int ffs(int word)
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 441 {
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 442 if (!word)
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 443 return 0;
2caf190002770b5 include/asm-mips/bitops.h Ralf Baechle 2006-01-30 444
bc818247203a7bf include/asm-mips/bitops.h Atsushi Nemoto 2006-04-17 @445 return fls(word & -word);
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 446 }
6590326505e3f7b include/asm-mips/bitops.h Ralf Baechle 2005-07-12 447
:::::: The code at line 445 was first introduced by commit
:::::: bc818247203a7bfc40296a3f5b760de84fb8e0d1 [MIPS] Fix bitops for MIPS32/MIPS64 CPUs.
:::::: TO: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
:::::: CC: Ralf Baechle <ralf@linux-mips.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next reply other threads:[~2022-03-09 5:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-09 5:17 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-07-09 20:17 arch/mips/include/asm/bitops.h:445:27: sparse: sparse: constant integer operation overflow kernel test robot
2022-08-01 17:47 kernel test robot
2022-08-03 22:03 kernel test robot
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