From: kernel test robot <lkp@intel.com>
To: Matthew Brost <matthew.brost@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Francois Dugast <francois.dugast@intel.com>,
Balbir Singh <balbirs@nvidia.com>
Subject: include/linux/compiler_types.h:706:45: error: call to '__compiletime_assert_756' declared with attribute error: BUILD_BUG failed
Date: Sat, 13 Jun 2026 13:21:39 +0800 [thread overview]
Message-ID: <202606131321.k8HAYMJH-lkp@intel.com> (raw)
Hi Matthew,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 062871f1371b2e02a272ff5279c6479aff0a37ef
commit: 139ab31aea8a9436460568d556b432bb7e9311f7 drm/pagemap: Correct cpages calculation for migrate_vma_setup
date: 3 months ago
config: arm64-randconfig-001-20260612 (https://download.01.org/0day-ci/archive/20260613/202606131321.k8HAYMJH-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260613/202606131321.k8HAYMJH-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
| Fixes: 139ab31aea8a ("drm/pagemap: Correct cpages calculation for migrate_vma_setup")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606131321.k8HAYMJH-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
drivers/gpu/drm/drm_pagemap.c: In function 'drm_pagemap_cpages':
>> include/linux/compiler_types.h:706:45: error: call to '__compiletime_assert_756' declared with attribute error: BUILD_BUG failed
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:687:25: note: in definition of macro '__compiletime_assert'
687 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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/gpu/drm/drm_pagemap.c:480:33: note: in expansion of macro 'HPAGE_PMD_ORDER'
480 | order = HPAGE_PMD_ORDER;
| ^~~~~~~~~~~~~~~
--
In file included from <command-line>:
drm_pagemap.c: In function 'drm_pagemap_cpages':
>> include/linux/compiler_types.h:706:45: error: call to '__compiletime_assert_756' declared with attribute error: BUILD_BUG failed
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:687:25: note: in definition of macro '__compiletime_assert'
687 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _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)
| ^~~~~~~~~~~~~~~
drm_pagemap.c:480:33: note: in expansion of macro 'HPAGE_PMD_ORDER'
480 | order = HPAGE_PMD_ORDER;
| ^~~~~~~~~~~~~~~
vim +/__compiletime_assert_756 +706 include/linux/compiler_types.h
eb5c2d4b45e3d2d Will Deacon 2020-07-21 692
eb5c2d4b45e3d2d Will Deacon 2020-07-21 693 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 694 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2d Will Deacon 2020-07-21 695
eb5c2d4b45e3d2d Will Deacon 2020-07-21 696 /**
eb5c2d4b45e3d2d Will Deacon 2020-07-21 697 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21 698 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2d Will Deacon 2020-07-21 699 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21 700 *
eb5c2d4b45e3d2d Will Deacon 2020-07-21 701 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21 702 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21 703 * compiler has support to do so.
eb5c2d4b45e3d2d Will Deacon 2020-07-21 704 */
eb5c2d4b45e3d2d Will Deacon 2020-07-21 705 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 @706 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2d Will Deacon 2020-07-21 707
:::::: The code at line 706 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-06-13 5:22 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202606131321.k8HAYMJH-lkp@intel.com \
--to=lkp@intel.com \
--cc=balbirs@nvidia.com \
--cc=francois.dugast@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=matthew.brost@intel.com \
--cc=oe-kbuild-all@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®