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

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Date:   Wed, 10 Jan 2018 17:58:54 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the net-next tree

On Thu, Jan 11, 2018 at 11:53:55AM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the net-next tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> kernel/bpf/verifier.o: In function `bpf_check':
> verifier.c:(.text+0xd86e): undefined reference to `bpf_patch_call_args'
> 
> Caused by commit
> 
>   1ea47e01ad6e ("bpf: add support for bpf_call to interpreter")
> 
> interacting with commit
> 
>   290af86629b2 ("bpf: introduce BPF_JIT_ALWAYS_ON config")
> 
> from the bpf and net trees.
> 
> I have just reverted commit 290af86629b2 for today.  A better solution
> would be nice (lie fixing this in a merge between the net-next and net
> trees).

that's due to 'endif' from 290af86629b2 needs to be moved above
bpf_patch_call_args() definition.
There is another fixup needed for net-next.
I'll send a follow up patch when net gets merged into net-next.