On 2020/3/25 上午10:25, kbuild test robot wrote:
I love your patch! Yet something to improve: [auto build test ERROR on vhost/linux-next] [also build test ERROR on linux/master linus/master v5.6-rc7 next-20200324] [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 seehttps://stackoverflow.com/a/37406982] url:https://github.com/0day-ci/linux/commits/Jason-Wang/vDPA-support/20200324-142634 base:https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.2.0 reproduce: wgethttps://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 GCC_VERSION=9.2.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag Reported-by: kbuild test robot<lkp@xxxxxxxxx> All errors (new ones prefixed by >>):
This is because VDPA_SIM selects VHOST_RING which selects VHOST_IOTLB which depends on VIRTULAIZATION but not defined in m68k.
I think we should refine the vhost Kconfig and decouple it out of VIRTUALIZATION.
Will send a new series with this shortly. Thanks