From: kernel test robot <lkp@intel.com>
To: David Howells <dhowells@redhat.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [dhowells-fs:afs-fixes 39/41] arch/x86/include/asm/cmpxchg.h:67:25: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
Date: Fri, 10 Nov 2023 09:03:38 +0800 [thread overview]
Message-ID: <202311100817.GChoE97R-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git afs-fixes
head: 75a3bc7cc3bd84295e596d1a3c2528f5d6d60b67
commit: a28bddd8212862afdcbb53e210e2ff92e991d2a9 [39/41] afs: Overhaul invalidation handling to better support RO volumes
config: i386-buildonly-randconfig-003-20231110 (https://download.01.org/0day-ci/archive/20231110/202311100817.GChoE97R-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231110/202311100817.GChoE97R-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/202311100817.GChoE97R-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:13,
from arch/x86/include/asm/cpumask.h:5,
from arch/x86/include/asm/msr.h:11,
from arch/x86/include/asm/processor.h:23,
from arch/x86/include/asm/timex.h:5,
from include/linux/timex.h:67,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from fs/afs/callback.c:17:
fs/afs/callback.c: In function '__afs_break_callback':
>> arch/x86/include/asm/cmpxchg.h:67:25: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
67 | __ ## op ## _wrong_size(); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:78:33: note: in expansion of macro '__xchg_op'
78 | #define arch_xchg(ptr, v) __xchg_op((ptr), (v), xchg, "")
| ^~~~~~~~~
include/linux/atomic/atomic-arch-fallback.h:12:18: note: in expansion of macro 'arch_xchg'
12 | #define raw_xchg arch_xchg
| ^~~~~~~~~
include/linux/atomic/atomic-instrumented.h:4716:9: note: in expansion of macro 'raw_xchg'
4716 | raw_xchg(__ai_ptr, __VA_ARGS__); \
| ^~~~~~~~
fs/afs/callback.c:82:13: note: in expansion of macro 'xchg'
82 | if (xchg(&vnode->cb_expires_at, AFS_NO_CB_PROMISE) != AFS_NO_CB_PROMISE) {
| ^~~~
--
In file included from arch/x86/include/asm/atomic.h:8,
from include/linux/atomic.h:7,
from include/linux/cpumask.h:13,
from arch/x86/include/asm/cpumask.h:5,
from arch/x86/include/asm/msr.h:11,
from arch/x86/include/asm/processor.h:23,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:60,
from arch/x86/include/asm/preempt.h:9,
from include/linux/preempt.h:79,
from include/linux/spinlock.h:56,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from fs/afs/rotate.c:9:
fs/afs/rotate.c: In function 'afs_start_fs_iteration':
>> arch/x86/include/asm/cmpxchg.h:67:25: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
67 | __ ## op ## _wrong_size(); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:78:33: note: in expansion of macro '__xchg_op'
78 | #define arch_xchg(ptr, v) __xchg_op((ptr), (v), xchg, "")
| ^~~~~~~~~
include/linux/atomic/atomic-arch-fallback.h:12:18: note: in expansion of macro 'arch_xchg'
12 | #define raw_xchg arch_xchg
| ^~~~~~~~~
include/linux/atomic/atomic-instrumented.h:4716:9: note: in expansion of macro 'raw_xchg'
4716 | raw_xchg(__ai_ptr, __VA_ARGS__); \
| ^~~~~~~~
fs/afs/rotate.c:62:21: note: in expansion of macro 'xchg'
62 | if (xchg(&vnode->cb_expires_at, AFS_NO_CB_PROMISE) != AFS_NO_CB_PROMISE)
| ^~~~
vim +/__xchg_wrong_size +67 arch/x86/include/asm/cmpxchg.h
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 37
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 38 /*
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 39 * An exchange-type operation, which takes a value and a pointer, and
7f5281ae8a8e7f Li Zhong 2013-04-25 40 * returns the old value.
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 41 */
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 42 #define __xchg_op(ptr, arg, op, lock) \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 43 ({ \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 44 __typeof__ (*(ptr)) __ret = (arg); \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 45 switch (sizeof(*(ptr))) { \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 46 case __X86_CASE_B: \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 47 asm volatile (lock #op "b %b0, %1\n" \
2ca052a3710fac Jeremy Fitzhardinge 2012-04-02 48 : "+q" (__ret), "+m" (*(ptr)) \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 49 : : "memory", "cc"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 50 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 51 case __X86_CASE_W: \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 52 asm volatile (lock #op "w %w0, %1\n" \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 53 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 54 : : "memory", "cc"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 55 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 56 case __X86_CASE_L: \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 57 asm volatile (lock #op "l %0, %1\n" \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 58 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 59 : : "memory", "cc"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 60 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 61 case __X86_CASE_Q: \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 62 asm volatile (lock #op "q %q0, %1\n" \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 63 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 64 : : "memory", "cc"); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 65 break; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 66 default: \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 @67 __ ## op ## _wrong_size(); \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 68 } \
31a8394e069e47 Jeremy Fitzhardinge 2011-09-30 69 __ret; \
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 70 })
e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 71
:::::: The code at line 67 was first introduced by commit
:::::: 31a8394e069e47dc47f4c29e4213aa943342f19f x86: consolidate xchg and xadd macros
:::::: TO: Jeremy Fitzhardinge <jeremy@goop.org>
:::::: CC: Jeremy Fitzhardinge <jeremy@goop.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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