linux-kernel - linux-next: build failure after merge of the net-next tree

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Date:   Tue, 18 Jul 2017 11:09:27 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: linux-next: build failure after merge of the net-next tree

Hi all,

After merging the net-next tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

net/core/filter.o: In function `xdp_do_flush_map':
filter.c:(.text+0x3770): undefined reference to `__dev_map_flush'
net/core/filter.o: In function `__bpf_tx_xdp':
filter.c:(.text+0x56dc): undefined reference to `__dev_map_insert_ctx'
net/core/filter.o: In function `xdp_do_redirect_map':
filter.c:(.text+0x5e24): undefined reference to `__dev_map_lookup_elem'

Caused by commit

  11393cc9b9be ("xdp: Add batching support to redirect map")

This build has

CONFIG_BPF=y
# CONFIG_BPF_SYSCALL is not set

I have used the net-next tree from next-20170717 for today.

-- 
Cheers,
Stephen Rothwell