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Message-ID: <202512091539.KxweJWOH-lkp@intel.com>
Date: Tue, 9 Dec 2025 15:26:18 +0800
From: kernel test robot <lkp@...el.com>
To: Stanislav Kinsburskii <skinsburskii@...ux.microsoft.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Wei Liu <wei.liu@...nel.org>,
"Anirudh Rayabharam (Microsoft)" <anirudh@...rudhrb.com>,
Nuno Das Neves <nunodasneves@...ux.microsoft.com>
Subject: include/linux/compiler_types.h:597:45: error: call to
'__compiletime_assert_275' declared with attribute error: BUILD_BUG failed
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cb015814f8b6eebcbb8e46e111d108892c5e6821
commit: abceb4297bf88340ce06016895babe292510a262 mshv: Fix huge page handling in memory region traversal
date: 3 days ago
config: x86_64-buildonly-randconfig-002-20251209 (https://download.01.org/0day-ci/archive/20251209/202512091539.KxweJWOH-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251209/202512091539.KxweJWOH-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512091539.KxweJWOH-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
In function 'mshv_region_process_chunk',
inlined from 'mshv_region_process_range' at drivers/hv/mshv_regions.c:121:9,
inlined from 'mshv_region_process_range.constprop' at drivers/hv/mshv_regions.c:100:12:
>> include/linux/compiler_types.h:597:45: error: call to '__compiletime_assert_275' declared with attribute error: BUILD_BUG failed
597 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:578:25: note: in definition of macro '__compiletime_assert'
578 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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")
| ^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:113:28: note: in expansion of macro 'BUILD_BUG'
113 | #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
| ^~~~~~~~~
include/linux/huge_mm.h:117:26: note: in expansion of macro 'HPAGE_PMD_SHIFT'
117 | #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
| ^~~~~~~~~~~~~~~
drivers/hv/mshv_regions.c:56:41: note: in expansion of macro 'HPAGE_PMD_ORDER'
56 | if (page_order && page_order != HPAGE_PMD_ORDER)
| ^~~~~~~~~~~~~~~
--
In file included from <command-line>:
In function 'mshv_region_process_chunk',
inlined from 'mshv_region_process_range' at mshv_regions.c:121:9,
inlined from 'mshv_region_process_range.constprop' at mshv_regions.c:100:12:
>> include/linux/compiler_types.h:597:45: error: call to '__compiletime_assert_275' declared with attribute error: BUILD_BUG failed
597 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:578:25: note: in definition of macro '__compiletime_assert'
578 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:597:9: note: in expansion of macro '_compiletime_assert'
597 | _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")
| ^~~~~~~~~~~~~~~~
include/linux/huge_mm.h:113:28: note: in expansion of macro 'BUILD_BUG'
113 | #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
| ^~~~~~~~~
include/linux/huge_mm.h:117:26: note: in expansion of macro 'HPAGE_PMD_SHIFT'
117 | #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
| ^~~~~~~~~~~~~~~
mshv_regions.c:56:41: note: in expansion of macro 'HPAGE_PMD_ORDER'
56 | if (page_order && page_order != HPAGE_PMD_ORDER)
| ^~~~~~~~~~~~~~~
vim +/__compiletime_assert_275 +597 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 583
eb5c2d4b45e3d2 Will Deacon 2020-07-21 584 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 585 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 586
eb5c2d4b45e3d2 Will Deacon 2020-07-21 587 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 588 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 589 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 590 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 591 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 592 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 593 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 594 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 595 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 596 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @597 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 598
:::::: The code at line 597 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>
--
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https://github.com/intel/lkp-tests/wiki
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