Re: [PATCH V1] accel/amdxdna: Remove mmap and export support for ubuf

[kernel test robot <lkp@intel.com>]

Hi Lizhi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on linus/master v7.1-rc3 next-20260508]
[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/Lizhi-Hou/accel-amdxdna-Remove-mmap-and-export-support-for-ubuf/20260516-000523
base:   https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
patch link:    https://lore.kernel.org/r/20260515155332.743097-1-lizhi.hou%40amd.com
patch subject: [PATCH V1] accel/amdxdna: Remove mmap and export support for ubuf
config: x86_64-randconfig-002-20260516 (https://download.01.org/0day-ci/archive/20260516/202605161116.6FTLJOlI-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260516/202605161116.6FTLJOlI-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605161116.6FTLJOlI-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/accel/amdxdna/amdxdna_ubuf.c:86:42: warning: unused variable 'amdxdna_ubuf_vm_ops' [-Wunused-const-variable]
      86 | static const struct vm_operations_struct amdxdna_ubuf_vm_ops = {
         |                                          ^~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +/amdxdna_ubuf_vm_ops +86 drivers/accel/amdxdna/amdxdna_ubuf.c

bd72d4acda1069 Lizhi Hou 2025-07-16  85  
bd72d4acda1069 Lizhi Hou 2025-07-16 @86  static const struct vm_operations_struct amdxdna_ubuf_vm_ops = {
bd72d4acda1069 Lizhi Hou 2025-07-16  87  	.fault = amdxdna_ubuf_vm_fault,
bd72d4acda1069 Lizhi Hou 2025-07-16  88  };
bd72d4acda1069 Lizhi Hou 2025-07-16  89  

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