Re: [PATCH V7 3/8] vringh: IOTLB support

[kbuild test robot]

Hi Jason,

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 see https://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: alpha-randconfig-a001-20200324 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.2.0
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
        GCC_VERSION=9.2.0 make.cross ARCH=alpha 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   alpha-linux-ld: drivers/vhost/vringh.o: in function `iotlb_translate':
   drivers/vhost/vringh.c:1079: undefined reference to `vhost_iotlb_itree_first'
>> alpha-linux-ld: drivers/vhost/vringh.c:1079: undefined reference to `vhost_iotlb_itree_first'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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