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Date: Sun, 19 Sep 2021 23:35:53 +0800
From: kernel test robot <yujie.liu@...el.com>
To: David Howells <dhowells@...hat.com>
CC: <kbuild-all@...ts.01.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [dhowells-fs:netfs-folio-regions 18/36]
include/linux/compiler_types.h:328:38: error: call to
'__compiletime_assert_353' declared with attribute error: Need native word
sized stores/loads for atomicity.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-folio-regions
head: 2f3fe780e9a44691136170536363c701b527d0e8
commit: bbfa10bc8233de4c54031fd2009d866b3f6195c6 [18/36] netfs: Keep lists of pending, active, dirty and flushed regions
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago
config: i386-randconfig-s031-20210830 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=bbfa10bc8233de4c54031fd2009d866b3f6195c6
git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
git fetch --no-tags dhowells-fs netfs-folio-regions
git checkout bbfa10bc8233de4c54031fd2009d866b3f6195c6
# save the attached .config to linux build tree
make ARCH=i386 olddefconfig
make ARCH=i386 -j8 fs/netfs/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors:
fs/netfs/read_helper.c: In function 'netfs_write_begin':
fs/netfs/read_helper.c:1286:7: error: implicit declaration of function 'netfs_is_cache_enabled' [-Werror=implicit-function-declaration]
1286 | if (!netfs_is_cache_enabled(ctx) &&
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/linux/kernel.h:16,
from ./include/linux/list.h:9,
from ./include/linux/wait.h:7,
from ./include/linux/wait_bit.h:8,
from ./include/linux/fs.h:6,
from fs/netfs/write_helper.c:9:
fs/netfs/write_helper.c: In function 'copy_folio_from_iter_atomic':
./include/linux/minmax.h:20:28: warning: comparison of distinct pointer types lacks a cast
20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
./include/linux/minmax.h:26:4: note: in expansion of macro '__typecheck'
26 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
./include/linux/minmax.h:36:24: note: in expansion of macro '__safe_cmp'
36 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
./include/linux/minmax.h:45:19: note: in expansion of macro '__careful_cmp'
45 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
fs/netfs/write_helper.c:25:26: note: in expansion of macro 'min'
25 | unsigned int psize = min(PAGE_SIZE - offset, size);
| ^~~
In file included from <command-line>:
fs/netfs/write_helper.c: In function 'netfs_perform_write':
././include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_323' declared with attribute error: Need native word sized stores/loads for atomicity.
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
././include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
309 | prefix ## suffix(); \
| ^~~~~~
././include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:331:2: note: in expansion of macro 'compiletime_assert'
331 | compiletime_assert(__native_word(t), \
| ^~~~~~~~~~~~~~~~~~
./arch/x86/include/asm/barrier.h:65:2: note: in expansion of macro 'compiletime_assert_atomic_type'
65 | compiletime_assert_atomic_type(*p); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/barrier.h:138:33: note: in expansion of macro '__smp_store_release'
138 | #define smp_store_release(p, v) __smp_store_release(p, v)
| ^~~~~~~~~~~~~~~~~~~
fs/netfs/write_helper.c:897:3: note: in expansion of macro 'smp_store_release'
897 | smp_store_release(®ion->dirty.end, new_pos);
| ^~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:271: fs/netfs/write_helper.o] Error 1
make[2]: *** Waiting for unfinished jobs....
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:271: fs/netfs/read_helper.o] Error 1
make[1]: *** [scripts/Makefile.build:514: fs/netfs] Error 2
make: *** [Makefile:1842: fs] Error 2
vim +/__compiletime_assert_353 +328 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 314
eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 317
eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 326 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 327 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 329
:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@...nel.org>
:::::: CC: Will Deacon <will@...nel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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