[xlnx:master 2561/2625] include/linux/compiler.h:501:38: error: call to '__compiletime_assert_734' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_post_notification_s), sizeof(u64))
kbuild test robot
fengguang.wu at intel.com
Tue Jan 24 18:15:03 PST 2017
tree: https://github.com/Xilinx/linux-xlnx master
head: 4dcc2058b8620d77b8be9940626b339d848c0dfc
commit: dadb5e41f28f9619debc9aae4ae543aa1dcd5be8 [2561/2625] staging: mali: r5p1-01rel0: Remove unused trace macros
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout dadb5e41f28f9619debc9aae4ae543aa1dcd5be8
# save the attached .config to linux build tree
make ARCH=i386
All error/warnings (new ones prefixed by >>):
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from include/linux/module.h:9,
from drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:15:
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c: In function 'mali_ioctl':
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_734' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_post_notification_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:734:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_post_notification_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_739' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_get_user_settings_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:739:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_get_user_settings_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_755' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_sw_counters_report_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:755:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_sw_counters_report_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_761' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_profiling_memory_usage_get_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:761:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_profiling_memory_usage_get_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_782' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_free_mem_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:782:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_free_mem_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_787' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_bind_mem_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:787:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_bind_mem_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_797' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_mem_write_safe_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:797:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_mem_write_safe_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_802' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_query_mmu_page_table_dump_size_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:802:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_query_mmu_page_table_dump_size_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_807' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_dump_mmu_page_table_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:807:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_dump_mmu_page_table_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_822' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_pp_start_job_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:822:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_pp_start_job_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_852' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_get_gp_number_of_cores_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:852:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_get_gp_number_of_cores_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_857' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_get_gp_core_version_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:857:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_get_gp_core_version_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_867' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_vsync_event_report_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:867:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_vsync_event_report_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_880' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_timeline_create_sync_fence_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:880:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_timeline_create_sync_fence_s), sizeof(u64)));
^~~~~~~~~~~~
>> include/linux/compiler.h:501:38: error: call to '__compiletime_assert_888' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(sizeof(_mali_uk_soft_job_signal_s), sizeof(u64))
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:484:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:501:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/bug.h:50:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/bug.h:74:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
drivers/staging/mali/DX910-SW-99002-r5p1-01rel0/driver/src/devicedrv/mali/linux/mali_kernel_linux.c:888:3: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!IS_ALIGNED(sizeof(_mali_uk_soft_job_signal_s), sizeof(u64)));
^~~~~~~~~~~~
vim +/__compiletime_assert_734 +501 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 485 __compiletime_error_fallback(__cond); \
9a8ab1c3 Daniel Santos 2013-02-21 486 } while (0)
9a8ab1c3 Daniel Santos 2013-02-21 487
9a8ab1c3 Daniel Santos 2013-02-21 488 #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21 489 __compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21 490
9a8ab1c3 Daniel Santos 2013-02-21 491 /**
9a8ab1c3 Daniel Santos 2013-02-21 492 * compiletime_assert - break build and emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 493 * @condition: a compile-time constant condition to check
9a8ab1c3 Daniel Santos 2013-02-21 494 * @msg: a message to emit if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 495 *
9a8ab1c3 Daniel Santos 2013-02-21 496 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 497 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 498 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 499 */
9a8ab1c3 Daniel Santos 2013-02-21 500 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @501 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 502
47933ad4 Peter Zijlstra 2013-11-06 503 #define compiletime_assert_atomic_type(t) \
47933ad4 Peter Zijlstra 2013-11-06 504 compiletime_assert(__native_word(t), \
47933ad4 Peter Zijlstra 2013-11-06 505 "Need native word sized stores/loads for atomicity.")
47933ad4 Peter Zijlstra 2013-11-06 506
9c3cdc1f Linus Torvalds 2008-05-10 507 /*
9c3cdc1f Linus Torvalds 2008-05-10 508 * Prevent the compiler from merging or refetching accesses. The compiler
9c3cdc1f Linus Torvalds 2008-05-10 509 * is also forbidden from reordering successive instances of ACCESS_ONCE(),
:::::: The code at line 501 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos at pobox.com>
:::::: CC: Linus Torvalds <torvalds at linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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