Re: [PATCH] RDMA/core: remove extraneous dummy helper functions

[kernel test robot]

Hi Arnd,

kernel test robot noticed the following build errors:

[auto build test ERROR on v7.1-rc4]
[also build test ERROR on linus/master]
[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/Arnd-Bergmann/RDMA-core-remove-extraneous-dummy-helper-functions/20260520-044317
base:   v7.1-rc4
patch link:    https://lore.kernel.org/r/20260519203629.1341667-1-arnd%40kernel.org
patch subject: [PATCH] RDMA/core: remove extraneous dummy helper functions
config: hexagon-randconfig-002-20260520 (https://download.01.org/0day-ci/archive/20260520/202605201724.StvoCZ6d-lkp@xxxxxxxxx/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260520/202605201724.StvoCZ6d-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/202605201724.StvoCZ6d-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: _ib_copy_validate_udata_in
   >>> referenced by siw_verbs.c:1373 (drivers/infiniband/sw/siw/siw_verbs.c:1373)
   >>>               drivers/infiniband/sw/siw/siw_verbs.o:(siw_reg_user_mr) in archive vmlinux.a
   >>> referenced by siw_verbs.c:1373 (drivers/infiniband/sw/siw/siw_verbs.c:1373)
   >>>               drivers/infiniband/sw/siw/siw_verbs.o:(siw_reg_user_mr) in archive vmlinux.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MFD_STMFX
   Depends on [n]: HAS_IOMEM [=y] && I2C [=y] && OF [=n]
   Selected by [y]:
   - PINCTRL_STMFX [=y] && PINCTRL [=y] && I2C [=y] && HAS_IOMEM [=y]

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