netdev - Re: linux-next: Tree for Sep 18 (kernel/bpf/syscall)

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Message-ID: <a1129d67-97e3-8f10-c938-0de72fee9377@iogearbox.net>
Date:   Tue, 18 Sep 2018 17:41:04 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>, ppenkov@...gle.com,
        willemb@...gle.com
Subject: Re: linux-next: Tree for Sep 18 (kernel/bpf/syscall)

[ Cc Petar and Willem ]

On 09/18/2018 05:37 PM, Randy Dunlap wrote:
> On 9/17/18 10:12 PM, Stephen Rothwell wrote:
>> Hi all,
>>
>> Changes since 20180913:
> 
> on i386 or x86_64: (in 6 of 20 randconfigs)
> 
> kernel/bpf/syscall.o: In function `__x64_sys_bpf':
> syscall.c:(.text+0x3278): undefined reference to `skb_flow_dissector_bpf_prog_attach'
> syscall.c:(.text+0x3310): undefined reference to `skb_flow_dissector_bpf_prog_detach'
> kernel/bpf/syscall.o:(.rodata+0x3f0): undefined reference to `flow_dissector_prog_ops'
> kernel/bpf/verifier.o:(.rodata+0x250): undefined reference to `flow_dissector_verifier_ops'
> 
> Full randconfig file is attached.

Looks like we need a wrapper for these, config had:

# CONFIG_NET is not set