tree:
https://github.com/esmil/linux visionfive-5.16.y
head: eeeb46a916e77aecbe1699537a5592746f3130f6
commit: 6348ed9f5269d38acf552123e96766aa2eb0fd7e [22/80] riscv: optimized memset
config: riscv-randconfig-c006-20220118
(
https://download.01.org/0day-ci/archive/20220119/202201190447.MTj18zPA-lk...)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
c10cbb243cafc0cf42c3e922cb29183279444432)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
#
https://github.com/esmil/linux/commit/6348ed9f5269d38acf552123e96766aa2eb...
git remote add esmil
https://github.com/esmil/linux
git fetch --no-tags esmil visionfive-5.16.y
git checkout 6348ed9f5269d38acf552123e96766aa2eb0fd7e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=riscv SHELL=/bin/bash mm/kasan/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> mm/kasan/shadow.c:42:7: warning: no previous prototype for
function 'memset' [-Wmissing-prototypes]
void *memset(void *addr, int c,
size_t len)
^
mm/kasan/shadow.c:42:1: note: declare 'static' if the function is not intended
to be used outside of this translation unit
void *memset(void *addr, int c, size_t len)
^
static
mm/kasan/shadow.c:63:7: warning: no previous prototype for function 'memcpy'
[-Wmissing-prototypes]
void *memcpy(void *dest, const void *src, size_t len)
^
mm/kasan/shadow.c:63:1: note: declare 'static' if the function is not intended
to be used outside of this translation unit
void *memcpy(void *dest, const void *src, size_t len)
^
static
2 warnings generated.
vim +/memset +42 mm/kasan/shadow.c
bb359dbcb70085 Andrey Konovalov 2020-12-22 40
bb359dbcb70085 Andrey Konovalov 2020-12-22 41 #undef memset
bb359dbcb70085 Andrey Konovalov 2020-12-22 @42 void *memset(void *addr, int c, size_t
len)
bb359dbcb70085 Andrey Konovalov 2020-12-22 43 {
f00748bfa0246c Andrey Konovalov 2021-02-24 44 if (!kasan_check_range((unsigned
long)addr, len, true, _RET_IP_))
bb359dbcb70085 Andrey Konovalov 2020-12-22 45 return NULL;
bb359dbcb70085 Andrey Konovalov 2020-12-22 46
bb359dbcb70085 Andrey Konovalov 2020-12-22 47 return __memset(addr, c, len);
bb359dbcb70085 Andrey Konovalov 2020-12-22 48 }
bb359dbcb70085 Andrey Konovalov 2020-12-22 49
:::::: The code at line 42 was first introduced by commit
:::::: bb359dbcb70085a63e8bdbf14837a900750f0cf7 kasan: split out shadow.c from common.c
:::::: TO: Andrey Konovalov <andreyknvl(a)google.com>
:::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org