From: kernel test robot <lkp@intel.com>
To: Peter Collingbourne <pcc@google.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
Linux Memory Management List <linux-mm@kvack.org>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Subject: [linux-next:master 4557/6976] mm/kasan/sw_tags.c:211:6: warning: no previous prototype for function 'kasan_tag_mismatch'
Date: Fri, 4 Jun 2021 15:55:17 +0800 [thread overview]
Message-ID: <202106041515.0ZTdLmFL-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 3ebdbe7aa5dd825d609c3433c35c13b440a61c52
commit: 1cbdf60bd1b74e397d48aa877367cfc621f45ffe [4557/6976] kasan: arm64: support specialized outlined tag mismatch checks
config: arm64-randconfig-r016-20210604 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5c0d1b2f902aa6a9cf47cc7e42c5b83bb2217cf9)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=1cbdf60bd1b74e397d48aa877367cfc621f45ffe
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 1cbdf60bd1b74e397d48aa877367cfc621f45ffe
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
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 >>):
>> mm/kasan/sw_tags.c:211:6: warning: no previous prototype for function 'kasan_tag_mismatch' [-Wmissing-prototypes]
void kasan_tag_mismatch(unsigned long addr, unsigned long access_info,
^
mm/kasan/sw_tags.c:211:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void kasan_tag_mismatch(unsigned long addr, unsigned long access_info,
^
static
1 warning generated.
vim +/kasan_tag_mismatch +211 mm/kasan/sw_tags.c
210
> 211 void kasan_tag_mismatch(unsigned long addr, unsigned long access_info,
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2021-06-04 7:56 UTC|newest]
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