tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head:   a9ca4e9c3176d471cc7361a42dc5d50fae31f0d3
commit: c4d17c651ae9d7903f37afccee06739b7c5442f6 [169/247] BACKPORT: FROMLIST: v3: intel_gna: add memory handling
config: i386-randconfig-r032-20210610 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.4
        git checkout c4d17c651ae9d7903f37afccee06739b7c5442f6
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from drivers/misc/intel/gna/device.h:14,
                    from drivers/misc/intel/gna/device.c:9:
>> drivers/misc/intel/gna/mem.h:89:22: error: field 'mn' has incomplete type
      89 |  struct mmu_notifier mn;
         |                      ^~


vim +/mn +89 drivers/misc/intel/gna/mem.h

    84	
    85	struct gna_mmu_notifier {
    86		struct gna_file_private *file_priv;
    87		struct gna_private *gna_priv;
    88		struct gna_memory_object *mo;
  > 89		struct mmu_notifier mn;
    90		struct mm_struct *mm;
    91	};
    92	

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org