[esmil:visionfive 3/50] arch/riscv/include/asm/string.h:27:32: error: redefinition of '__memmove'

From: kernel test robot
Date: Wed Jul 06 2022 - 06:14:01 EST


tree: https://github.com/esmil/linux visionfive
head: 943858df470556d0b7f3b31fcc10931603f0f3cc
commit: 163ef6b6c194ae4d1f709053e4677687e6b87a27 [3/50] riscv: optimized memmove
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20220706/202207061822.TbmIa2x2-lkp@xxxxxxxxx/config)
compiler: riscv64-linux-gcc (GCC) 11.3.0
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://github.com/esmil/linux/commit/163ef6b6c194ae4d1f709053e4677687e6b87a27
git remote add esmil https://github.com/esmil/linux
git fetch --no-tags esmil visionfive
git checkout 163ef6b6c194ae4d1f709053e4677687e6b87a27
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/linux/string.h:20,
from include/linux/bitmap.h:11,
from include/linux/cpumask.h:12,
from include/linux/mm_types_task.h:14,
from include/linux/mm_types.h:5,
from include/linux/buildid.h:5,
from include/linux/module.h:14,
from arch/riscv/lib/string.c:11:
arch/riscv/include/asm/string.h:25:31: error: redefinition of '__memcpy'
25 | #define memcpy(dst, src, len) __memcpy(dst, src, len)
| ^~~~~~~~
arch/riscv/lib/string.c:90:7: note: in expansion of macro 'memcpy'
90 | void *memcpy(void *dest, const void *src, size_t count) __weak __alias(__memcpy);
| ^~~~~~
arch/riscv/lib/string.c:31:7: note: previous definition of '__memcpy' with type 'void *(void *, const void *, size_t)' {aka 'void *(void *, const void *, long unsigned int)'}
31 | void *__memcpy(void *dest, const void *src, size_t count)
| ^~~~~~~~
In file included from include/linux/string.h:20,
from include/linux/bitmap.h:11,
from include/linux/cpumask.h:12,
from include/linux/mm_types_task.h:14,
from include/linux/mm_types.h:5,
from include/linux/buildid.h:5,
from include/linux/module.h:14,
from arch/riscv/lib/string.c:11:
>> arch/riscv/include/asm/string.h:27:32: error: redefinition of '__memmove'
27 | #define memmove(dst, src, len) __memmove(dst, src, len)
| ^~~~~~~~~
arch/riscv/lib/string.c:113:7: note: in expansion of macro 'memmove'
113 | void *memmove(void *dest, const void *src, size_t count) __weak __alias(__memmove);
| ^~~~~~~
arch/riscv/lib/string.c:97:7: note: previous definition of '__memmove' with type 'void *(void *, const void *, size_t)' {aka 'void *(void *, const void *, long unsigned int)'}
97 | void *__memmove(void *dest, const void *src, size_t count)
| ^~~~~~~~~


vim +/__memmove +27 arch/riscv/include/asm/string.h

163ef6b6c194ae Matteo Croce 2021-09-29 22
8ad8b72721d0f0 Nick Hu 2020-01-06 23 /* For those files which don't want to check by kasan. */
8ad8b72721d0f0 Nick Hu 2020-01-06 24 #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
8ad8b72721d0f0 Nick Hu 2020-01-06 25 #define memcpy(dst, src, len) __memcpy(dst, src, len)
8ad8b72721d0f0 Nick Hu 2020-01-06 26 #define memset(s, c, n) __memset(s, c, n)
04091d6c0535f6 Nylon Chen 2020-11-30 @27 #define memmove(dst, src, len) __memmove(dst, src, len)
9530141455c968 Kefeng Wang 2021-02-25 28

:::::: The code at line 27 was first introduced by commit
:::::: 04091d6c0535f6dc82af864ab56425235c6581a4 riscv: provide memmove implementation

:::::: TO: Nylon Chen <nylon7@xxxxxxxxxxxxx>
:::::: CC: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>

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https://01.org/lkp