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

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Date:   Mon, 17 Jul 2017 21:59:01 -0700
From:   John Fastabend <john.fastabend@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        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>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: Re: linux-next: build failure after merge of the net-next tree

On 07/17/2017 06:09 PM, Stephen Rothwell wrote:
> 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.
> 

I missed testing without CONFIG_BPF_SYSCALL. Patch is posted to netdev
and on patchworks at,

https://patchwork.ozlabs.org/patch/789862/

Thanks,
John