netdev - Re: [PATCH bpf-next 3/3] bpf: Add mtu checking to FIB forwarding helper

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Message-ID: <201805201344.GjF6Kr6P%fengguang.wu@intel.com>
Date:   Sun, 20 May 2018 14:41:46 +0800
From:   kbuild test robot <lkp@...el.com>
To:     David Ahern <dsahern@...il.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org, borkmann@...earbox.net,
        ast@...nel.org, davem@...emloft.net,
        David Ahern <dsahern@...il.com>
Subject: Re: [PATCH bpf-next 3/3] bpf: Add mtu checking to FIB forwarding
 helper

Hi David,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/David-Ahern/bpf-Add-MTU-check-to-fib-lookup-helper/20180520-103417
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.2.0
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
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   net/core/filter.o: In function `bpf_ipv6_fib_lookup':
>> filter.c:(.text+0x12072): undefined reference to `ip6_mtu_from_fib6'

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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