Hi Paul, [auto build test ERROR on xen-tip/linux-next] [also build test ERROR on v4.10-rc7 next-20170210] [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-support-for-dm_op-and-restriction/20170211-001520 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 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/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.c: In function 'privcmd_ioctl_dm_op': >> drivers/xen/privcmd.c:673:7: error: implicit declaration of function >> 'HYPERVISOR_dm_op' [-Werror=implicit-function-declaration] rc = HYPERVISOR_dm_op(kdata.dom, kdata.num, xbufs); ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/HYPERVISOR_dm_op +673 drivers/xen/privcmd.c 667 for (i = 0; i < kdata.num; i++) { 668 set_xen_guest_handle(xbufs[i].h, kbufs[i].uptr); 669 xbufs[i].size = kbufs[i].size; 670 } 671 672 xen_preemptible_hcall_begin(); > 673 rc = HYPERVISOR_dm_op(kdata.dom, kdata.num, xbufs); 674 xen_preemptible_hcall_end(); 675 676 out: --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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