Re: [PATCH rdma-next v4] RDMA: Change capability fields in ib_device_attr from int to u32
From: kernel test robot
Date: Thu May 28 2026 - 15:23:13 EST
Hi Erni,
kernel test robot noticed the following build errors:
[auto build test ERROR on rdma/for-next]
[also build test ERROR on linus/master v7.1-rc5 next-20260528]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Erni-Sri-Satya-Vennela/RDMA-Change-capability-fields-in-ib_device_attr-from-int-to-u32/20260527-040218
base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
patch link: https://lore.kernel.org/r/20260526194225.1338210-1-ernis%40linux.microsoft.com
patch subject: [PATCH rdma-next v4] RDMA: Change capability fields in ib_device_attr from int to u32
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260529/202605290321.lRxnXfw4-lkp@xxxxxxxxx/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/20260529/202605290321.lRxnXfw4-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605290321.lRxnXfw4-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from <command-line>:
drivers/infiniband/hw/qedr/verbs.c: In function 'qedr_query_device':
>> include/linux/compiler_types.h:699:45: error: call to '__compiletime_assert_818' declared with attribute error: min(1 << (fls(qattr->max_qp_resp_rd_atomic_resc) - 1), attr->max_qp_init_rd_atom) signedness error
699 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:680:25: note: in definition of macro '__compiletime_assert'
680 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:699:9: note: in expansion of macro '_compiletime_assert'
699 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert'
40 | #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:105:25: note: in expansion of macro '__careful_cmp'
105 | #define min(x, y) __careful_cmp(min, x, y)
| ^~~~~~~~~~~~~
drivers/infiniband/hw/qedr/verbs.c:146:13: note: in expansion of macro 'min'
146 | min(1 << (fls(qattr->max_qp_resp_rd_atomic_resc) - 1),
| ^~~
--
In file included from <command-line>:
verbs.c: In function 'qedr_query_device':
>> include/linux/compiler_types.h:699:45: error: call to '__compiletime_assert_818' declared with attribute error: min(1 << (fls(qattr->max_qp_resp_rd_atomic_resc) - 1), attr->max_qp_init_rd_atom) signedness error
699 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:680:25: note: in definition of macro '__compiletime_assert'
680 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:699:9: note: in expansion of macro '_compiletime_assert'
699 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert'
40 | #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:105:25: note: in expansion of macro '__careful_cmp'
105 | #define min(x, y) __careful_cmp(min, x, y)
| ^~~~~~~~~~~~~
verbs.c:146:13: note: in expansion of macro 'min'
146 | min(1 << (fls(qattr->max_qp_resp_rd_atomic_resc) - 1),
| ^~~
vim +/__compiletime_assert_818 +699 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 685
eb5c2d4b45e3d2 Will Deacon 2020-07-21 686 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 687 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 688
eb5c2d4b45e3d2 Will Deacon 2020-07-21 689 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 690 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 691 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 692 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 693 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 694 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 695 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 696 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 697 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 698 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @699 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 700
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