[xilinx-xlnx:xlnx_rebase_v5.15_LTS_2022.1_update 778/1102] include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_377' declared with attribute error: FIELD_PREP: mask is not constant
kernel test robot
lkp at intel.com
Thu Jun 2 06:13:54 PDT 2022
Hi Rajesh,
FYI, the error/warning still remains.
tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15_LTS_2022.1_update
head: 8e42834c82e505bacccca3c9d35da7041793d9d7
commit: 1606e76a608339cc67dfd9b03542976482b90805 [778/1102] v4l: xilinx: Driver support for Xilinx DP Rx subsystem
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220602/202206022146.OlBX8CDa-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/Xilinx/linux-xlnx/commit/1606e76a608339cc67dfd9b03542976482b90805
git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15_LTS_2022.1_update
git checkout 1606e76a608339cc67dfd9b03542976482b90805
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
In file included from <command-line>:
drivers/media/platform/xilinx/xilinx-dprxss.c: In function 'xdprxss_clrset.constprop':
>> include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_377' declared with attribute error: FIELD_PREP: mask is not constant
322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:303:25: note: in definition of macro '__compiletime_assert'
303 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert'
322 | _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/bitfield.h:46:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
46 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \
| ^~~~~~~~~~~~~~~~
include/linux/bitfield.h:94:17: note: in expansion of macro '__BF_FIELD_CHECK'
94 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/media/platform/xilinx/xilinx-dprxss.c:521:19: note: in expansion of macro 'FIELD_PREP'
521 | regval |= FIELD_PREP(clr_mask, set_data);
| ^~~~~~~~~~
>> include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_381' declared with attribute error: BUILD_BUG_ON failed: (((clr_mask) + (1ULL << (__builtin_ffsll(clr_mask) - 1))) & (((clr_mask) + (1ULL << (__builtin_ffsll(clr_mask) - 1))) - 1)) != 0
322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:303:25: note: in definition of macro '__compiletime_assert'
303 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert'
322 | _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:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
21 | BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
| ^~~~~~~~~~~~
include/linux/bitfield.h:54:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
54 | __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bitfield.h:94:17: note: in expansion of macro '__BF_FIELD_CHECK'
94 | __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
| ^~~~~~~~~~~~~~~~
drivers/media/platform/xilinx/xilinx-dprxss.c:521:19: note: in expansion of macro 'FIELD_PREP'
521 | regval |= FIELD_PREP(clr_mask, set_data);
| ^~~~~~~~~~
vim +/__compiletime_assert_377 +322 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 308
eb5c2d4b45e3d2 Will Deacon 2020-07-21 309 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 310 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 311
eb5c2d4b45e3d2 Will Deacon 2020-07-21 312 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @322 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 323
:::::: The code at line 322 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will at kernel.org>
:::::: CC: Will Deacon <will at kernel.org>
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