From: kernel test robot <lkp@intel.com>
To: Jeff Layton <jlayton@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [jlayton:mgtime 4/10] arch/x86/include/asm/cmpxchg.h:128:17: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg
Date: Mon, 17 Jun 2024 13:40:05 +0800 [thread overview]
Message-ID: <202406171345.MvBPkwUn-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git mgtime
head: 0418364991ef20583c19f070a31c0bfd69e6ff2d
commit: 11d2d363e0caf8bdb9191c0c1c5aa6f37207ccbd [4/10] fs: add infrastructure for multigrain timestamps
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20240617/202406171345.MvBPkwUn-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240617/202406171345.MvBPkwUn-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406171345.MvBPkwUn-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8,
from include/linux/atomic.h:7,
from include/linux/cpumask.h:14,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/wait.h:9,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:6,
from fs/inode.c:7:
fs/inode.c: In function 'inode_set_ctime_current':
>> arch/x86/include/asm/cmpxchg.h:128:17: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg
128 | __cmpxchg_wrong_size(); \
| ^~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:134:9: note: in expansion of macro '__raw_cmpxchg'
134 | __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX)
| ^~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:149:9: note: in expansion of macro '__cmpxchg'
149 | __cmpxchg(ptr, old, new, sizeof(*(ptr)))
| ^~~~~~~~~
include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
55 | #define raw_cmpxchg arch_cmpxchg
| ^~~~~~~~~~~~
include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
| ^~~~~~~~~~~
fs/inode.c:2623:23: note: in expansion of macro 'cmpxchg'
2623 | old = cmpxchg(&ctime_floor, floor, now);
| ^~~~~~~
>> arch/x86/include/asm/cmpxchg.h:128:17: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg
128 | __cmpxchg_wrong_size(); \
| ^~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:134:9: note: in expansion of macro '__raw_cmpxchg'
134 | __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX)
| ^~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:149:9: note: in expansion of macro '__cmpxchg'
149 | __cmpxchg(ptr, old, new, sizeof(*(ptr)))
| ^~~~~~~~~
include/linux/atomic/atomic-arch-fallback.h:55:21: note: in expansion of macro 'arch_cmpxchg'
55 | #define raw_cmpxchg arch_cmpxchg
| ^~~~~~~~~~~~
include/linux/atomic/atomic-instrumented.h:4788:9: note: in expansion of macro 'raw_cmpxchg'
4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \
| ^~~~~~~~~~~
fs/inode.c:2635:15: note: in expansion of macro 'cmpxchg'
2635 | now = cmpxchg(&inode->__i_ctime, ctime, sav);
| ^~~~~~~
vim +/__cmpxchg_wrong_size +128 arch/x86/include/asm/cmpxchg.h
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 79
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 80 /*
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 81 * Atomic compare and exchange. Compare OLD with MEM, if identical,
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 82 * store NEW in MEM. Return the initial value in MEM. Success is
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 83 * indicated by comparing RETURN with OLD.
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 84 */
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 85 #define __raw_cmpxchg(ptr, old, new, size, lock) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 86 ({ \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 87 __typeof__(*(ptr)) __ret; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 88 __typeof__(*(ptr)) __old = (old); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 89 __typeof__(*(ptr)) __new = (new); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 90 switch (size) { \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 91 case __X86_CASE_B: \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 92 { \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 93 volatile u8 *__ptr = (volatile u8 *)(ptr); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 94 asm volatile(lock "cmpxchgb %2,%1" \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 95 : "=a" (__ret), "+m" (*__ptr) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 96 : "q" (__new), "0" (__old) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 97 : "memory"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 98 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 99 } \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 100 case __X86_CASE_W: \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 101 { \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 102 volatile u16 *__ptr = (volatile u16 *)(ptr); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 103 asm volatile(lock "cmpxchgw %2,%1" \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 104 : "=a" (__ret), "+m" (*__ptr) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 105 : "r" (__new), "0" (__old) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 106 : "memory"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 107 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 108 } \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 109 case __X86_CASE_L: \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 110 { \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 111 volatile u32 *__ptr = (volatile u32 *)(ptr); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 112 asm volatile(lock "cmpxchgl %2,%1" \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 113 : "=a" (__ret), "+m" (*__ptr) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 114 : "r" (__new), "0" (__old) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 115 : "memory"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 116 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 117 } \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 118 case __X86_CASE_Q: \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 119 { \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 120 volatile u64 *__ptr = (volatile u64 *)(ptr); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 121 asm volatile(lock "cmpxchgq %2,%1" \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 122 : "=a" (__ret), "+m" (*__ptr) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 123 : "r" (__new), "0" (__old) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 124 : "memory"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 125 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 126 } \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 127 default: \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 @128 __cmpxchg_wrong_size(); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 129 } \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 130 __ret; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 131 })
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 132
:::::: The code at line 128 was first introduced by commit
:::::: e9826380d83d1bda3ee5663bf3fa4667a6fbe60a x86, cmpxchg: Unify cmpxchg into cmpxchg.h
:::::: TO: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
:::::: CC: H. Peter Anvin <hpa@linux.intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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