Hi Srivatsa, Thank you for the patch! Yet something to improve: [auto build test ERROR on vhost/linux-next] [also build test ERROR on xen-tip/linux-next linus/master v5.7-rc3 next-20200428] [cannot apply to swiotlb/linux-next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Srivatsa-Vaddagiri/virtio-on-Type-1-hypervisor/20200429-032334 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: s390-randconfig-a001-20200428 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 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 COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/virtio/virtio_bounce.c: In function 'virtio_bounce_setup': >> drivers/virtio/virtio_bounce.c:144:7: error: implicit declaration of function 'of_get_flat_dt_prop' [-Werror=implicit-function-declaration] 144 | if (!of_get_flat_dt_prop(node, "no-map", NULL)) | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/of_get_flat_dt_prop +144 drivers/virtio/virtio_bounce.c 139 140 static int __init virtio_bounce_setup(struct reserved_mem *rmem) 141 { 142 unsigned long node = rmem->fdt_node; 143 > 144 if (!of_get_flat_dt_prop(node, "no-map", NULL)) 145 return -EINVAL; 146 147 return virtio_register_bounce_buffer(rmem->base, rmem->size); 148 } 149 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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