netdev - Re: linux-next: build failure after merge of the bpf-next tree

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Message-ID: <20180907002223.tpizglyhrwn26oox@ast-mbp.dhcp.thefacebook.com>
Date:   Thu, 6 Sep 2018 17:22:24 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Björn Töpel <bjorn.topel@...el.com>
Subject: Re: linux-next: build failure after merge of the bpf-next tree

On Fri, Sep 07, 2018 at 10:19:23AM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the bpf-next tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> ERROR: ".xsk_reuseq_swap" [drivers/net/ethernet/intel/i40e/i40e.ko] undefined!
> ERROR: ".xsk_reuseq_free" [drivers/net/ethernet/intel/i40e/i40e.ko] undefined!
> ERROR: ".xsk_reuseq_prepare" [drivers/net/ethernet/intel/i40e/i40e.ko] undefined
> 
> Caused by commit
> 
>   9654bd10da60 ("i40e: clean zero-copy XDP Rx ring on shutdown/reset")
> 
> CONFIG_XDP_SOCKETS is not set for this build.
> 
> I have used the version of the bfp-next tree from next-20180906 for today.

merge conflict and build error...
Bjorn, I'm thinking to toss the patches out of bpf-next and reapply
cleaned up version of the patches...
what do you think?