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Date: Tue, 7 Dec 2021 19:53:09 +0800
From: kernel test robot <lkp@...el.com>
To: Marc Zyngier <maz@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: include/linux/compiler_types.h:328:45: error: call to
'__compiletime_assert_202' declared with attribute error: BUILD_BUG failed
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cd8c917a56f20f48748dd43d9ae3caff51d5b987
commit: 4775bc63f880001ee4fbd6456b12ab04674149e3 clocksource/arm_arch_timer: Add build-time guards for unhandled register accesses
date: 7 weeks ago
config: arm64-randconfig-r003-20211207 (https://download.01.org/0day-ci/archive/20211207/202112071925.61r0Z8V1-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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=4775bc63f880001ee4fbd6456b12ab04674149e3
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 4775bc63f880001ee4fbd6456b12ab04674149e3
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from <command-line>:
In function 'arch_timer_reg_read_cp15',
inlined from 'arch_timer_reg_read' at drivers/clocksource/arm_arch_timer.c:166:9,
inlined from 'erratum_set_next_event_tval_generic' at drivers/clocksource/arm_arch_timer.c:414:9:
>> include/linux/compiler_types.h:328:45: error: call to '__compiletime_assert_202' declared with attribute error: BUILD_BUG failed
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:309:25: note: in definition of macro '__compiletime_assert'
309 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:328:9: note: in expansion of macro '_compiletime_assert'
328 | _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:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/arch_timer.h:159:9: note: in expansion of macro 'BUILD_BUG'
159 | BUILD_BUG();
| ^~~~~~~~~
In function 'arch_timer_reg_write_cp15',
inlined from 'arch_timer_reg_write' at drivers/clocksource/arm_arch_timer.c:131:3,
inlined from 'erratum_set_next_event_tval_generic' at drivers/clocksource/arm_arch_timer.c:426:2:
include/linux/compiler_types.h:328:45: error: call to '__compiletime_assert_199' declared with attribute error: BUILD_BUG failed
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:309:25: note: in definition of macro '__compiletime_assert'
309 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:328:9: note: in expansion of macro '_compiletime_assert'
328 | _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:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/arch_timer.h:130:17: note: in expansion of macro 'BUILD_BUG'
130 | BUILD_BUG();
| ^~~~~~~~~
vim +/__compiletime_assert_202 +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
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