Hi Fam, [auto build test ERROR on linus/master] [also build test ERROR on v4.10-rc4 next-20170116] [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/Fam-Zheng/virtio-scsi-Implement-FC_HOST-feature/20170117-011950 config: i386-randconfig-r0-201703 (attached as .config) compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/built-in.o: In function `init': >> virtio_scsi.c:(.init.text+0x10d52): undefined reference to `fc_attach_transport' drivers/built-in.o: In function `fini': >> virtio_scsi.c:(.exit.text+0x14a4): undefined reference to `fc_release_transport' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation