Re: [PATCH v5 net-next 01/12] iptunnel: Add common functions to get a tunnel route

Hi Tom,

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Tom-Herbert/gtp-Additional-feature-support-Part-I/20171021-121328
config: arm-iop33x_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
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
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   net/ipv6/route.o: In function `__ip6_tnl_get_route':

quoted

route.c:(.text+0x1398): undefined reference to `dst_cache_set_ip6'

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