linux-kernel - Re: [PATCH v2 2/2] RDMA/rxe: Replace struct rxe_sge with struct ib

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Message-ID: <202512221736.Qj6n9uZT-lkp@intel.com>
Date: Mon, 22 Dec 2025 17:36:24 +0100
From: kernel test robot <lkp@...el.com>
To: Zhu Yanjun <yanjun.zhu@...ux.dev>, zyjzyj2000@...il.com, jgg@...pe.ca,
	leon@...nel.org, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Zhu Yanjun <yanjun.zhu@...ux.dev>
Subject: Re: [PATCH v2 2/2] RDMA/rxe: Replace struct rxe_sge with struct
 ib_sge

Hi Zhu,

kernel test robot noticed the following build errors:

[auto build test ERROR on rdma/for-next]
[also build test ERROR on linus/master v6.19-rc2 next-20251219]
[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/Zhu-Yanjun/RDMA-rxe-Replace-struct-rxe_sge-with-struct-ib_sge/20251222-074206
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
patch link:    https://lore.kernel.org/r/20251221233404.332108-2-yanjun.zhu%40linux.dev
patch subject: [PATCH v2 2/2] RDMA/rxe: Replace struct rxe_sge with struct ib_sge
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20251222/202512221736.Qj6n9uZT-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/20251222/202512221736.Qj6n9uZT-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/202512221736.Qj6n9uZT-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from usr/include/linux/posix_types.h:5,
                    from usr/include/linux/types.h:9,
                    from ./usr/include/rdma/rdma_user_rxe.h:37,
                    from <command-line>:
>> ./usr/include/rdma/rdma_user_rxe.h:141:53: error: array type has incomplete element type 'struct ib_sge'
     141 |                 __DECLARE_FLEX_ARRAY(struct ib_sge, sge);
         |                                                     ^~~
   usr/include/linux/stddef.h:56:22: note: in definition of macro '__DECLARE_FLEX_ARRAY'
      56 |                 TYPE NAME[]; \
         |                      ^~~~

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki