* [tip:WIP.x86/kpti 50/65] include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END)
@ 2017-12-04 16:48 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2017-12-04 16:48 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: kbuild-all, linux-kernel, tipbuild
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/kpti
head: c7ddf30cab554658b154ee16ae5e5d577ff530bf
commit: 9ebd9d9cdbc90021a5e320fb054cf48c027e6d34 [50/65] x86/fixmap: Add ldt entries to user shared fixmap
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
git checkout 9ebd9d9cdbc90021a5e320fb054cf48c027e6d34
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
In file included from include/linux/kernel.h:10:0,
from arch/x86//platform/efi/efi_64.c:21:
arch/x86//platform/efi/efi_64.c: In function 'efi_sync_low_kernel_mappings':
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
>> arch/x86//platform/efi/efi_64.c:254:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(pgd_index(EFI_VA_END) != pgd_index(MODULES_END));
^~~~~~~~~~~~
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_268' declared with attribute error: BUILD_BUG_ON failed: p4d_index(EFI_VA_END) != p4d_index(MODULES_END)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
arch/x86//platform/efi/efi_64.c:268:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(p4d_index(EFI_VA_END) != p4d_index(MODULES_END));
^~~~~~~~~~~~
--
In file included from include/linux/kernel.h:10:0,
from arch/x86/platform/efi/efi_64.c:21:
arch/x86/platform/efi/efi_64.c: In function 'efi_sync_low_kernel_mappings':
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
arch/x86/platform/efi/efi_64.c:254:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(pgd_index(EFI_VA_END) != pgd_index(MODULES_END));
^~~~~~~~~~~~
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_268' declared with attribute error: BUILD_BUG_ON failed: p4d_index(EFI_VA_END) != p4d_index(MODULES_END)
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^
include/linux/compiler.h:299:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler.h:319:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:47:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:71:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
arch/x86/platform/efi/efi_64.c:268:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(p4d_index(EFI_VA_END) != p4d_index(MODULES_END));
^~~~~~~~~~~~
vim +/__compiletime_assert_254 +319 include/linux/compiler.h
9a8ab1c3 Daniel Santos 2013-02-21 305
9a8ab1c3 Daniel Santos 2013-02-21 306 #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21 307 __compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21 308
9a8ab1c3 Daniel Santos 2013-02-21 309 /**
9a8ab1c3 Daniel Santos 2013-02-21 310 * compiletime_assert - break build and emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 311 * @condition: a compile-time constant condition to check
9a8ab1c3 Daniel Santos 2013-02-21 312 * @msg: a message to emit if condition is false
9a8ab1c3 Daniel Santos 2013-02-21 313 *
9a8ab1c3 Daniel Santos 2013-02-21 314 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21 315 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21 316 * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21 317 */
9a8ab1c3 Daniel Santos 2013-02-21 318 #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @319 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21 320
:::::: The code at line 319 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@pobox.com>
:::::: CC: Linus Torvalds <torvalds@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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2017-12-04 16:48 [tip:WIP.x86/kpti 50/65] include/linux/compiler.h:319:38: error: call to '__compiletime_assert_254' declared with attribute error: BUILD_BUG_ON failed: pgd_index(EFI_VA_END) != pgd_index(MODULES_END) kbuild test robot
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