Hi Jonathan,

I love your patch! Yet something to improve:

[auto build test ERROR on 35c32e3095d396c750f5cdfdaa94cba83d9b23c6]

url:    https://github.com/0day-ci/linux/commits/Jonathan-Cameron/PCI-Data-Object-Exchange-support-CXL-CDAT/20210524-214403
base:   35c32e3095d396c750f5cdfdaa94cba83d9b23c6
config: x86_64-rhel-8.3-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/22a6e8bee6206990d309c9c61941f67868c3a12c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jonathan-Cameron/PCI-Data-Object-Exchange-support-CXL-CDAT/20210524-214403
        git checkout 22a6e8bee6206990d309c9c61941f67868c3a12c
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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 >>):

>> error: include/uapi/linux/pci_doe.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier
   make[2]: *** [scripts/Makefile.headersinst:63: usr/include/linux/pci_doe.h] Error 1
   make[2]: Target '__headers' not remade because of errors.
   make[1]: *** [Makefile:1333: headers] Error 2
   make[1]: Target 'headers_install' not remade because of errors.
   make: *** [Makefile:215: __sub-make] Error 2
   make: Target 'headers_install' not remade because of errors.

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