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Message-ID: <202508130923.0VGA41Zv-lkp@intel.com>
Date: Wed, 13 Aug 2025 10:23:39 +0800
From: kernel test robot <lkp@...el.com>
To: Balbir Singh <balbirs@...dia.com>, dri-devel@...ts.freedesktop.org,
linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Balbir Singh <balbirs@...dia.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
David Hildenbrand <david@...hat.com>, Zi Yan <ziy@...dia.com>,
Joshua Hahn <joshua.hahnjy@...il.com>, Rakie Kim <rakie.kim@...com>,
Byungchul Park <byungchul@...com>,
Gregory Price <gourry@...rry.net>,
Ying Huang <ying.huang@...ux.alibaba.com>,
Alistair Popple <apopple@...dia.com>,
Oscar Salvador <osalvador@...e.de>,
Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
Baolin Wang <baolin.wang@...ux.alibaba.com>,
"Liam R. Howlett" <Liam.Howlett@...cle.com>,
Nico Pache <npache@...hat.com>, Ryan Roberts <ryan.roberts@....com>,
Dev Jain <dev.jain@....com>, Barry Song <baohua@...nel.org>,
Lyude Paul <lyude@...hat.com>, Danilo Krummrich <dakr@...nel.org>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Ralph Campbell <rcampbell@...dia.com>,
Mika Penttilä <mpenttil@...hat.com>,
Matthew Brost <matthew.brost@...el.com>,
Francois Dugast <francois.dugast@...el.com>
Subject: Re: [v3 10/11] gpu/drm/nouveau: add THP migration support
Hi Balbir,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Balbir-Singh/mm-zone_device-support-large-zone-device-private-folios/20250812-105145
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20250812024036.690064-11-balbirs%40nvidia.com
patch subject: [v3 10/11] gpu/drm/nouveau: add THP migration support
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20250813/202508130923.0VGA41Zv-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250813/202508130923.0VGA41Zv-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/202508130923.0VGA41Zv-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
drivers/gpu/drm/nouveau/nouveau_dmem.c: In function 'nouveau_dmem_migrate_vma':
>> include/linux/compiler_types.h:572:45: error: call to '__compiletime_assert_706' declared with attribute error: max((1<<((16 + __pte_index_size)-16)), max) signedness error
572 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:553:25: note: in definition of macro '__compiletime_assert'
553 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert'
572 | _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/minmax.h:93:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:98:9: note: in expansion of macro '__careful_cmp_once'
98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^~~~~~~~~~~~~~~~~~
include/linux/minmax.h:112:25: note: in expansion of macro '__careful_cmp'
112 | #define max(x, y) __careful_cmp(max, x, y)
| ^~~~~~~~~~~~~
drivers/gpu/drm/nouveau/nouveau_dmem.c:811:23: note: in expansion of macro 'max'
811 | max = max(HPAGE_PMD_NR, max);
| ^~~
--
In file included from <command-line>:
nouveau/nouveau_dmem.c: In function 'nouveau_dmem_migrate_vma':
>> include/linux/compiler_types.h:572:45: error: call to '__compiletime_assert_706' declared with attribute error: max((1<<((16 + __pte_index_size)-16)), max) signedness error
572 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:553:25: note: in definition of macro '__compiletime_assert'
553 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:572:9: note: in expansion of macro '_compiletime_assert'
572 | _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/minmax.h:93:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \
| ^~~~~~~~~~~~~~~~
include/linux/minmax.h:98:9: note: in expansion of macro '__careful_cmp_once'
98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^~~~~~~~~~~~~~~~~~
include/linux/minmax.h:112:25: note: in expansion of macro '__careful_cmp'
112 | #define max(x, y) __careful_cmp(max, x, y)
| ^~~~~~~~~~~~~
nouveau/nouveau_dmem.c:811:23: note: in expansion of macro 'max'
811 | max = max(HPAGE_PMD_NR, max);
| ^~~
vim +/__compiletime_assert_706 +572 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 558
eb5c2d4b45e3d2 Will Deacon 2020-07-21 559 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 560 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 561
eb5c2d4b45e3d2 Will Deacon 2020-07-21 562 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 563 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 564 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 565 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 566 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 567 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 568 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 569 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 570 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 571 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @572 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 573
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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