[csky-linux:riscv_compat_v2 3/17] arch/mips/include/asm/compat.h:68:9: warning: 'F_GETLK64' macro redefined

From: kernel test robot
Date: Tue Dec 28 2021 - 22:33:55 EST


tree: https://github.com/c-sky/csky-linux riscv_compat_v2
head: 750f87086bdd630f80b9bc3581bc3f329ef20f53
commit: 838b95dc803e1fba08bd1aca85bb3c40f174548c [3/17] asm-generic: fcntl: compat: Remove duplicate definitions
config: mips-randconfig-r003-20211228 (https://download.01.org/0day-ci/archive/20211229/202112291128.XgMeZiWI-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 7171af744543433ac75b232eb7dfdaef7efd4d7a)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://github.com/c-sky/csky-linux/commit/838b95dc803e1fba08bd1aca85bb3c40f174548c
git remote add csky-linux https://github.com/c-sky/csky-linux
git fetch --no-tags csky-linux riscv_compat_v2
git checkout 838b95dc803e1fba08bd1aca85bb3c40f174548c
# 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=mips prepare

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

All warnings (new ones prefixed by >>):

error: include/uapi/asm-generic/fcntl.h: leak CONFIG_COMPAT to user-space
make[2]: *** [scripts/Makefile.headersinst:63: usr/include/asm-generic/fcntl.h] Error 1
make[2]: Target '__headers' not remade because of errors.
make[1]: *** [Makefile:1283: headers] Error 2
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:22:
>> arch/mips/include/asm/compat.h:68:9: warning: 'F_GETLK64' macro redefined [-Wmacro-redefined]
#define F_GETLK64 33
^
include/uapi/asm-generic/fcntl.h:121:9: note: previous definition is here
#define F_GETLK64 12 /* using 'struct flock64' */
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:22:
>> arch/mips/include/asm/compat.h:69:9: warning: 'F_SETLK64' macro redefined [-Wmacro-redefined]
#define F_SETLK64 34
^
include/uapi/asm-generic/fcntl.h:122:9: note: previous definition is here
#define F_SETLK64 13
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:22:
>> arch/mips/include/asm/compat.h:70:9: warning: 'F_SETLKW64' macro redefined [-Wmacro-redefined]
#define F_SETLKW64 35
^
include/uapi/asm-generic/fcntl.h:123:9: note: previous definition is here
#define F_SETLKW64 14
^
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for function 'output_ptreg_defines' [-Wmissing-prototypes]
void output_ptreg_defines(void)
^
arch/mips/kernel/asm-offsets.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_ptreg_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for function 'output_task_defines' [-Wmissing-prototypes]
void output_task_defines(void)
^
arch/mips/kernel/asm-offsets.c:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_task_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for function 'output_thread_info_defines' [-Wmissing-prototypes]
void output_thread_info_defines(void)
^
arch/mips/kernel/asm-offsets.c:92:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_info_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for function 'output_thread_defines' [-Wmissing-prototypes]
void output_thread_defines(void)
^
arch/mips/kernel/asm-offsets.c:108:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for function 'output_mm_defines' [-Wmissing-prototypes]
void output_mm_defines(void)
^
arch/mips/kernel/asm-offsets.c:179:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_mm_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:240:6: warning: no previous prototype for function 'output_sc_defines' [-Wmissing-prototypes]
void output_sc_defines(void)
^
arch/mips/kernel/asm-offsets.c:240:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_sc_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:253:6: warning: no previous prototype for function 'output_signal_defined' [-Wmissing-prototypes]
void output_signal_defined(void)
^
arch/mips/kernel/asm-offsets.c:253:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_signal_defined(void)
^
static
arch/mips/kernel/asm-offsets.c:292:6: warning: no previous prototype for function 'output_octeon_cop2_state_defines' [-Wmissing-prototypes]
void output_octeon_cop2_state_defines(void)
^
arch/mips/kernel/asm-offsets.c:292:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_octeon_cop2_state_defines(void)
^
static
11 warnings generated.
clang-14: error: unsupported argument '-mfix-cn63xxp1' to option 'Wa,'
make[2]: *** [scripts/Makefile.build:287: scripts/mod/empty.o] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1196: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.


vim +/F_GETLK64 +68 arch/mips/include/asm/compat.h

^1da177e4c3f41 include/asm-mips/compat.h Linus Torvalds 2005-04-16 67
^1da177e4c3f41 include/asm-mips/compat.h Linus Torvalds 2005-04-16 @68 #define F_GETLK64 33
^1da177e4c3f41 include/asm-mips/compat.h Linus Torvalds 2005-04-16 @69 #define F_SETLK64 34
^1da177e4c3f41 include/asm-mips/compat.h Linus Torvalds 2005-04-16 @70 #define F_SETLKW64 35
^1da177e4c3f41 include/asm-mips/compat.h Linus Torvalds 2005-04-16 71

:::::: The code at line 68 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx