tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core head: 59ea5f1508e15cecddd8e2ca828f7962ea37adab commit: 3018a08401300005536817507dd14c2a7c4ffa69 [1/3] futex: Change utime parameter to be 'const ... *' config: nios2-3c120_defconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=3018a08401300005536817507dd14c2a7c4ffa69 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip locking/core git checkout 3018a08401300005536817507dd14c2a7c4ffa69 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): In file included from kernel/futex.c:37: >> include/linux/syscalls.h:238:18: error: conflicting types for 'sys_futex' 238 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ | ^~~ include/linux/syscalls.h:224:2: note: in expansion of macro '__SYSCALL_DEFINEx' 224 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:218:36: note: in expansion of macro 'SYSCALL_DEFINEx' 218 | #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~ kernel/futex.c:3792:1: note: in expansion of macro 'SYSCALL_DEFINE6' 3792 | SYSCALL_DEFINE6(futex, u32 __user *, uaddr, int, op, u32, val, | ^~~~~~~~~~~~~~~ include/linux/syscalls.h:585:17: note: previous declaration of 'sys_futex' was here 585 | asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, | ^~~~~~~~~ >> include/linux/syscalls.h:238:18: error: conflicting types for >> 'sys_futex_time32' 238 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ | ^~~ include/linux/syscalls.h:224:2: note: in expansion of macro '__SYSCALL_DEFINEx' 224 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:218:36: note: in expansion of macro 'SYSCALL_DEFINEx' 218 | #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) | ^~~~~~~~~~~~~~~ kernel/futex.c:3988:1: note: in expansion of macro 'SYSCALL_DEFINE6' 3988 | SYSCALL_DEFINE6(futex_time32, u32 __user *, uaddr, int, op, u32, val, | ^~~~~~~~~~~~~~~ include/linux/syscalls.h:588:17: note: previous declaration of 'sys_futex_time32' was here 588 | asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, | ^~~~~~~~~~~~~~~~ vim +/sys_futex +238 include/linux/syscalls.h bed1ffca022cc876 Frederic Weisbecker 2009-03-13 212 6c5979631b4b03c9 Heiko Carstens 2009-02-11 213 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__) 6c5979631b4b03c9 Heiko Carstens 2009-02-11 214 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) 6c5979631b4b03c9 Heiko Carstens 2009-02-11 215 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__) 6c5979631b4b03c9 Heiko Carstens 2009-02-11 216 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) 6c5979631b4b03c9 Heiko Carstens 2009-02-11 217 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__) 6c5979631b4b03c9 Heiko Carstens 2009-02-11 @218 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__) 1a94bc34768e463a Heiko Carstens 2009-01-14 219 609320c8a22715b7 Yonghong Song 2017-09-07 220 #define SYSCALL_DEFINE_MAXARGS 6 609320c8a22715b7 Yonghong Song 2017-09-07 221 bed1ffca022cc876 Frederic Weisbecker 2009-03-13 222 #define SYSCALL_DEFINEx(x, sname, ...) \ 99e621f796d7f034 Al Viro 2013-03-05 223 SYSCALL_METADATA(sname, x, __VA_ARGS__) \ bed1ffca022cc876 Frederic Weisbecker 2009-03-13 224 __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) bed1ffca022cc876 Frederic Weisbecker 2009-03-13 225 2cf0966683430b64 Al Viro 2013-01-21 226 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__) 1bd21c6c21e84899 Dominik Brodowski 2018-04-05 227 e145242ea0df6b7d Dominik Brodowski 2018-04-09 228 /* e145242ea0df6b7d Dominik Brodowski 2018-04-09 229 * The asmlinkage stub is aliased to a function named __se_sys_*() which e145242ea0df6b7d Dominik Brodowski 2018-04-09 230 * sign-extends 32-bit ints to longs whenever needed. The actual work is e145242ea0df6b7d Dominik Brodowski 2018-04-09 231 * done within __do_sys_*(). e145242ea0df6b7d Dominik Brodowski 2018-04-09 232 */ 1bd21c6c21e84899 Dominik Brodowski 2018-04-05 233 #ifndef __SYSCALL_DEFINEx bed1ffca022cc876 Frederic Weisbecker 2009-03-13 234 #define __SYSCALL_DEFINEx(x, name, ...) \ bee20031772af3de Arnd Bergmann 2018-06-19 235 __diag_push(); \ bee20031772af3de Arnd Bergmann 2018-06-19 236 __diag_ignore(GCC, 8, "-Wattribute-alias", \ bee20031772af3de Arnd Bergmann 2018-06-19 237 "Type aliasing is used to sanitize syscall arguments");\ 83460ec8dcac1414 Andi Kleen 2013-11-12 @238 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ e145242ea0df6b7d Dominik Brodowski 2018-04-09 239 __attribute__((alias(__stringify(__se_sys##name)))); \ c9a211951c7c79cf Howard McLauchlan 2018-03-21 240 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ e145242ea0df6b7d Dominik Brodowski 2018-04-09 241 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ e145242ea0df6b7d Dominik Brodowski 2018-04-09 242 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ e145242ea0df6b7d Dominik Brodowski 2018-04-09 243 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 1a94bc34768e463a Heiko Carstens 2009-01-14 244 { \ e145242ea0df6b7d Dominik Brodowski 2018-04-09 245 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\ 07fe6e00f6cca6fe Al Viro 2013-01-21 246 __MAP(x,__SC_TEST,__VA_ARGS__); \ 2cf0966683430b64 Al Viro 2013-01-21 247 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \ 2cf0966683430b64 Al Viro 2013-01-21 248 return ret; \ 1a94bc34768e463a Heiko Carstens 2009-01-14 249 } \ bee20031772af3de Arnd Bergmann 2018-06-19 250 __diag_pop(); \ e145242ea0df6b7d Dominik Brodowski 2018-04-09 251 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) 1bd21c6c21e84899 Dominik Brodowski 2018-04-05 252 #endif /* __SYSCALL_DEFINEx */ 1a94bc34768e463a Heiko Carstens 2009-01-14 253 :::::: The code at line 238 was first introduced by commit :::::: 83460ec8dcac14142e7860a01fa59c267ac4657c syscalls.h: use gcc alias instead of assembler aliases for syscalls :::::: TO: Andi Kleen <a...@linux.intel.com> :::::: CC: Linus Torvalds <torva...@linux-foundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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