From: kernel test robot <lkp@intel.com>
To: Peter Collingbourne <pcc@google.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: arch/arm64/kernel/mte.c:197:13: warning: no previous prototype for 'kasan_hw_tags_enable'
Date: Sat, 23 Apr 2022 04:28:30 +0800 [thread overview]
Message-ID: <202204230413.sU3MkE2d-lkp@intel.com> (raw)
Hi Peter,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d569e86915b7f2f9795588591c8d5ea0b66481cb
commit: e5af50a5df571c1d0268b02f924de49b742c990f arm64: kasan: mte: move GCR_EL1 switch to task switch when KASAN disabled
date: 7 months ago
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20220423/202204230413.sU3MkE2d-lkp@intel.com/config)
compiler: aarch64-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=e5af50a5df571c1d0268b02f924de49b742c990f
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e5af50a5df571c1d0268b02f924de49b742c990f
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ arch/arm64/kvm/ drivers/edac/
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 >>):
>> arch/arm64/kernel/mte.c:197:13: warning: no previous prototype for 'kasan_hw_tags_enable' [-Wmissing-prototypes]
197 | void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
| ^~~~~~~~~~~~~~~~~~~~
vim +/kasan_hw_tags_enable +197 arch/arm64/kernel/mte.c
196
> 197 void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
198 __le32 *updptr, int nr_inst)
199 {
200 BUG_ON(nr_inst != 1); /* Branch -> NOP */
201
202 if (kasan_hw_tags_enabled())
203 *updptr = cpu_to_le32(aarch64_insn_gen_nop());
204 }
205
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-04-22 22:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 20:28 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-06-10 1:03 arch/arm64/kernel/mte.c:197:13: warning: no previous prototype for 'kasan_hw_tags_enable' kernel test robot
2022-05-08 0:18 kernel test robot
2022-02-01 7:21 kernel test robot
2022-02-01 7:21 ` kernel test robot
2021-11-04 16:24 kernel test robot
2021-11-04 16:24 ` kernel test robot
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