Hi Arnd, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git syscall-tbl-6.11 head: 9a99991d90521113a738c2a4761a4147fe4b31ca commit: baef720c972546254f0900c4e7e83916cab2ba61 [95/98] mips sysm_pipe config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20240718/202407180721.r42zYOeD-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240718/202407180721.r42zYOeD-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407180721.r42zYOeD-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/mips/kernel/syscall.c:17: >> include/linux/syscalls.h:210:25: error: conflicting types for 'sys_mips_pipe'; have 'long int(void)' 210 | asmlinkage long sys_##sname(void); \ | ^~~~ arch/mips/kernel/syscall.c:52:1: note: in expansion of macro 'SYSCALL_DEFINE0' 52 | SYSCALL_DEFINE0(mips_pipe) | ^~~~~~~~~~~~~~~ In file included from include/linux/syscalls.h:84: arch/mips/include/asm/syscalls.h:24:16: note: previous declaration of 'sys_mips_pipe' with type 'int(void)' 24 | asmlinkage int sys_mips_pipe(void); | ^~~~~~~~~~~~~ include/linux/syscalls.h:212:25: error: conflicting types for 'sys_mips_pipe'; have 'long int(void)' 212 | asmlinkage long sys_##sname(void) | ^~~~ arch/mips/kernel/syscall.c:52:1: note: in expansion of macro 'SYSCALL_DEFINE0' 52 | SYSCALL_DEFINE0(mips_pipe) | ^~~~~~~~~~~~~~~ arch/mips/include/asm/syscalls.h:24:16: note: previous declaration of 'sys_mips_pipe' with type 'int(void)' 24 | asmlinkage int sys_mips_pipe(void); | ^~~~~~~~~~~~~ vim +210 include/linux/syscalls.h bed1ffca022cc8 Frederic Weisbecker 2009-03-13 206 1bd21c6c21e848 Dominik Brodowski 2018-04-05 207 #ifndef SYSCALL_DEFINE0 bed1ffca022cc8 Frederic Weisbecker 2009-03-13 208 #define SYSCALL_DEFINE0(sname) \ 99e621f796d7f0 Al Viro 2013-03-05 209 SYSCALL_METADATA(_##sname, 0); \ c9a211951c7c79 Howard McLauchlan 2018-03-21 @210 asmlinkage long sys_##sname(void); \ c9a211951c7c79 Howard McLauchlan 2018-03-21 211 ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ bed1ffca022cc8 Frederic Weisbecker 2009-03-13 212 asmlinkage long sys_##sname(void) 1bd21c6c21e848 Dominik Brodowski 2018-04-05 213 #endif /* SYSCALL_DEFINE0 */ bed1ffca022cc8 Frederic Weisbecker 2009-03-13 214 :::::: The code at line 210 was first introduced by commit :::::: c9a211951c7c79cfb5de888d7d9550872868b086 bpf: whitelist all syscalls for error injection :::::: TO: Howard McLauchlan <hmclauchlan@xxxxxx> :::::: CC: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
