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/init.h:5:0,
from arch/x86//kernel/head64.c:9:
arch/x86//kernel/head64.c: In function 'x86_64_start_kernel':
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_321'
>> declared with attribute error: BUILD_BUG_ON failed: MODULES_LEN +
>> KERNEL_IMAGE_SIZE > 2*PUD_SIZE
_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//kernel/head64.c:321:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(MODULES_LEN + KERNEL_IMAGE_SIZE > 2*PUD_SIZE);
^~~~~~~~~~~~
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_326'
>> declared with attribute error: BUILD_BUG_ON failed: !(((MODULES_END - 1) &
>> PGDIR_MASK) == (__START_KERNEL & PGDIR_MASK))
_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//kernel/head64.c:325:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==
^~~~~~~~~~~~
--
In file included from include/linux/init.h:5:0,
from arch/x86/kernel/head64.c:9:
arch/x86/kernel/head64.c: In function 'x86_64_start_kernel':
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_321'
>> declared with attribute error: BUILD_BUG_ON failed: MODULES_LEN +
>> KERNEL_IMAGE_SIZE > 2*PUD_SIZE
_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/kernel/head64.c:321:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(MODULES_LEN + KERNEL_IMAGE_SIZE > 2*PUD_SIZE);
^~~~~~~~~~~~
>> include/linux/compiler.h:319:38: error: call to '__compiletime_assert_326'
>> declared with attribute error: BUILD_BUG_ON failed: !(((MODULES_END - 1) &
>> PGDIR_MASK) == (__START_KERNEL & PGDIR_MASK))
_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/kernel/head64.c:325:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==
^~~~~~~~~~~~
vim +/__compiletime_assert_321 +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 <[email protected]>
:::::: CC: Linus Torvalds <[email protected]>
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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