* [esmil:visionfive 2/42] arch/riscv/lib/string.c:113:7: error: redefinition of '__memmove'
@ 2022-09-08 20:17 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-09-08 20:17 UTC (permalink / raw)
To: Matteo Croce; +Cc: llvm, kbuild-all, linux-kernel, Emil Renner Berthing
tree: https://github.com/esmil/linux visionfive
head: 044c1f5e968de7d30940431fbb90da599074ea1c
commit: 77842bff71e70078f7d70d35da62fbb03d929cda [2/42] riscv: optimized memmove
config: riscv-randconfig-r021-20220907 (https://download.01.org/0day-ci/archive/20220909/202209090450.atBceE0E-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 1546df49f5a6d09df78f569e4137ddb365a3e827)
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/77842bff71e70078f7d70d35da62fbb03d929cda
git remote add esmil https://github.com/esmil/linux
git fetch --no-tags esmil visionfive
git checkout 77842bff71e70078f7d70d35da62fbb03d929cda
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/riscv/lib/string.c:90:57: warning: attribute declaration must precede definition [-Wignored-attributes]
void *memcpy(void *dest, const void *src, size_t count) __weak __alias(__memcpy);
^
include/linux/compiler_attributes.h:372:56: note: expanded from macro '__weak'
#define __weak __attribute__((__weak__))
^
arch/riscv/lib/string.c:31:7: note: previous definition is here
void *__memcpy(void *dest, const void *src, size_t count)
^
arch/riscv/lib/string.c:90:7: error: redefinition of '__memcpy'
void *memcpy(void *dest, const void *src, size_t count) __weak __alias(__memcpy);
^
arch/riscv/include/asm/string.h:25:31: note: expanded from macro 'memcpy'
#define memcpy(dst, src, len) __memcpy(dst, src, len)
^
arch/riscv/lib/string.c:31:7: note: previous definition is here
void *__memcpy(void *dest, const void *src, size_t count)
^
arch/riscv/lib/string.c:113:58: warning: attribute declaration must precede definition [-Wignored-attributes]
void *memmove(void *dest, const void *src, size_t count) __weak __alias(__memmove);
^
include/linux/compiler_attributes.h:372:56: note: expanded from macro '__weak'
#define __weak __attribute__((__weak__))
^
arch/riscv/lib/string.c:97:7: note: previous definition is here
void *__memmove(void *dest, const void *src, size_t count)
^
>> arch/riscv/lib/string.c:113:7: error: redefinition of '__memmove'
void *memmove(void *dest, const void *src, size_t count) __weak __alias(__memmove);
^
arch/riscv/include/asm/string.h:27:32: note: expanded from macro 'memmove'
#define memmove(dst, src, len) __memmove(dst, src, len)
^
arch/riscv/lib/string.c:97:7: note: previous definition is here
void *__memmove(void *dest, const void *src, size_t count)
^
2 warnings and 2 errors generated.
vim +/__memmove +113 arch/riscv/lib/string.c
112
> 113 void *memmove(void *dest, const void *src, size_t count) __weak __alias(__memmove);
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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