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Date: Mon, 1 Jul 2024 00:44:31 +0800
From: kernel test robot <lkp@...el.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: include/linux/syscalls.h:248:25: error: conflicting types for
'sys_fanotify_mark'; have 'long int(int, unsigned int, u32, u32, int,
const char *)' {aka 'long int(int, unsigned int, unsigned int, unsigned
int, int, const char *)'}
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3ffea9a7a6f71b5fb6f997d7b2ad95634dae57ab
commit: 403f17a330732a666ae793f3b15bc75bb5540524 parisc: use generic sys_fanotify_mark implementation
date: 5 days ago
config: parisc-allmodconfig
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build):
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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407010057.53Mc2v3l-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from fs/notify/fanotify/fanotify_user.c:14:
>> include/linux/syscalls.h:248:25: error: conflicting types for 'sys_fanotify_mark'; have 'long int(int, unsigned int, u32, u32, int, const char *)' {aka 'long int(int, unsigned int, unsigned int, unsigned int, int, const char *)'}
248 | asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
| ^~~
include/linux/syscalls.h:234:9: note: in expansion of macro '__SYSCALL_DEFINEx'
234 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:228:36: note: in expansion of macro 'SYSCALL_DEFINEx'
228 | #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/syscalls.h:287:27: note: in expansion of macro 'SYSCALL_DEFINE6'
287 | #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
| ^~~~~~~~~~~~~~~
fs/notify/fanotify/fanotify_user.c:1924:1: note: in expansion of macro 'SYSCALL32_DEFINE6'
1924 | SYSCALL32_DEFINE6(fanotify_mark,
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:862:17: note: previous declaration of 'sys_fanotify_mark' with type 'long int(int, unsigned int, u64, int, const char *)' {aka 'long int(int, unsigned int, long long unsigned int, int, const char *)'}
862 | asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
| ^~~~~~~~~~~~~~~~~
vim +248 include/linux/syscalls.h
1bd21c6c21e848 Dominik Brodowski 2018-04-05 237
e145242ea0df6b Dominik Brodowski 2018-04-09 238 /*
e145242ea0df6b Dominik Brodowski 2018-04-09 239 * The asmlinkage stub is aliased to a function named __se_sys_*() which
e145242ea0df6b Dominik Brodowski 2018-04-09 240 * sign-extends 32-bit ints to longs whenever needed. The actual work is
e145242ea0df6b Dominik Brodowski 2018-04-09 241 * done within __do_sys_*().
e145242ea0df6b Dominik Brodowski 2018-04-09 242 */
1bd21c6c21e848 Dominik Brodowski 2018-04-05 243 #ifndef __SYSCALL_DEFINEx
bed1ffca022cc8 Frederic Weisbecker 2009-03-13 244 #define __SYSCALL_DEFINEx(x, name, ...) \
bee20031772af3 Arnd Bergmann 2018-06-19 245 __diag_push(); \
bee20031772af3 Arnd Bergmann 2018-06-19 246 __diag_ignore(GCC, 8, "-Wattribute-alias", \
bee20031772af3 Arnd Bergmann 2018-06-19 247 "Type aliasing is used to sanitize syscall arguments");\
83460ec8dcac14 Andi Kleen 2013-11-12 @248 asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
e145242ea0df6b Dominik Brodowski 2018-04-09 249 __attribute__((alias(__stringify(__se_sys##name)))); \
c9a211951c7c79 Howard McLauchlan 2018-03-21 250 ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
e145242ea0df6b Dominik Brodowski 2018-04-09 251 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
e145242ea0df6b Dominik Brodowski 2018-04-09 252 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
e145242ea0df6b Dominik Brodowski 2018-04-09 253 asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
1a94bc34768e46 Heiko Carstens 2009-01-14 254 { \
e145242ea0df6b Dominik Brodowski 2018-04-09 255 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
07fe6e00f6cca6 Al Viro 2013-01-21 256 __MAP(x,__SC_TEST,__VA_ARGS__); \
2cf0966683430b Al Viro 2013-01-21 257 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
2cf0966683430b Al Viro 2013-01-21 258 return ret; \
1a94bc34768e46 Heiko Carstens 2009-01-14 259 } \
bee20031772af3 Arnd Bergmann 2018-06-19 260 __diag_pop(); \
e145242ea0df6b Dominik Brodowski 2018-04-09 261 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
1bd21c6c21e848 Dominik Brodowski 2018-04-05 262 #endif /* __SYSCALL_DEFINEx */
1a94bc34768e46 Heiko Carstens 2009-01-14 263
:::::: The code at line 248 was first introduced by commit
:::::: 83460ec8dcac14142e7860a01fa59c267ac4657c syscalls.h: use gcc alias instead of assembler aliases for syscalls
:::::: TO: Andi Kleen <ak@...ux.intel.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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