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Date: Wed, 9 Jun 2021 21:55:03 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Michael Ellerman <mpe@...erman.id.au>
Subject: include/linux/compiler_types.h:326:38: error: call to
'__compiletime_assert_791' declared with attribute error: BUILD_BUG_ON
failed: (BTRFS_MAX_COMPRESSED % PAGE_SIZE) != 0
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 368094df48e680fa51cedb68537408cfa64b788e
commit: 4eeef098b43242ed145c83fba9989d586d707589 powerpc/44x: Remove STDBINUTILS kconfig option
date: 4 months ago
config: powerpc-randconfig-r012-20210609 (attached as .config)
compiler: powerpc-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/torvalds/linux.git/commit/?id=4eeef098b43242ed145c83fba9989d586d707589
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4eeef098b43242ed145c83fba9989d586d707589
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
fs/buffer.c: In function 'block_read_full_page':
>> fs/buffer.c:2342:1: warning: the frame size of 2048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
2342 | }
| ^
--
fs/ext4/move_extent.c: In function 'mext_page_mkuptodate':
>> fs/ext4/move_extent.c:227:1: warning: the frame size of 2056 bytes is larger than 1024 bytes [-Wframe-larger-than=]
227 | }
| ^
--
fs/fat/dir.c: In function 'fat_add_new_entries':
>> fs/fat/dir.c:1279:1: warning: the frame size of 2088 bytes is larger than 1024 bytes [-Wframe-larger-than=]
1279 | }
| ^
fs/fat/dir.c: In function 'fat_alloc_new_dir':
fs/fat/dir.c:1195:1: warning: the frame size of 2064 bytes is larger than 1024 bytes [-Wframe-larger-than=]
1195 | }
| ^
--
fs/fat/fatent.c: In function 'fat_free_clusters':
>> fs/fat/fatent.c:632:1: warning: the frame size of 2080 bytes is larger than 1024 bytes [-Wframe-larger-than=]
632 | }
| ^
fs/fat/fatent.c: In function 'fat_alloc_clusters':
fs/fat/fatent.c:550:1: warning: the frame size of 2112 bytes is larger than 1024 bytes [-Wframe-larger-than=]
550 | }
| ^
--
fs/exfat/fatent.c: In function 'exfat_zeroed_cluster':
>> fs/exfat/fatent.c:277:1: warning: the frame size of 2048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
277 | }
| ^
--
In file included from <command-line>:
fs/btrfs/inode.c: In function 'compress_file_range':
>> include/linux/compiler_types.h:326:38: error: call to '__compiletime_assert_791' declared with attribute error: BUILD_BUG_ON failed: (BTRFS_MAX_COMPRESSED % PAGE_SIZE) != 0
326 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:307:4: note: in definition of macro '__compiletime_assert'
307 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:326:2: note: in expansion of macro '_compiletime_assert'
326 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
fs/btrfs/inode.c:563:2: note: in expansion of macro 'BUILD_BUG_ON'
563 | BUILD_BUG_ON((BTRFS_MAX_COMPRESSED % PAGE_SIZE) != 0);
| ^~~~~~~~~~~~
vim +/__compiletime_assert_791 +326 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 312
eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 315
eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @326 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 327
:::::: The code at line 326 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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