Hi Paul, I love your patch! Yet something to improve:
[auto build test ERROR on xen-tip/linux-next] [also build test ERROR on v4.16 next-20180405] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Paul-Durrant/xen-privcmd-add-IOCTL_PRIVCMD_MMAP_RESOURCE/20180406-121749 base: https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm64 All errors (new ones prefixed by >>): drivers/xen/privcmd.o: In function `privcmd_ioctl': >> privcmd.c:(.text+0x12ac): undefined reference to `xen_remap_domain_mfn_array' privcmd.c:(.text+0x12ac): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `xen_remap_domain_mfn_array' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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