linux-kernel - Re: mips:allmodconfig build failure in 3.16-rc1 due to bpf

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Message-ID: <539FFA6B.9030004@redhat.com>
Date:	Tue, 17 Jun 2014 10:20:59 +0200
From:	Daniel Borkmann <dborkman@...hat.com>
To:	Guenter Roeck <linux@...ck-us.net>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Alexei Starovoitov <ast@...mgrid.com>
Subject: Re: mips:allmodconfig build failure in 3.16-rc1 due to bpf_jit code

On 06/17/2014 04:24 AM, Guenter Roeck wrote:
> mips:allmodconfig fails in 3.16-rc1 with lots of undefined symbols.
>
> arch/mips/net/bpf_jit.c: In function 'is_load_to_a':
> arch/mips/net/bpf_jit.c:559:7: error: 'BPF_S_LD_W_LEN' undeclared (first use in this function)
> arch/mips/net/bpf_jit.c:559:7: note: each undeclared identifier is reported only once for each function it appears in
> arch/mips/net/bpf_jit.c:560:7: error: 'BPF_S_LD_W_ABS' undeclared (first use in this function)
> arch/mips/net/bpf_jit.c:561:7: error: 'BPF_S_LD_H_ABS' undeclared (first use in this function)
> arch/mips/net/bpf_jit.c:562:7: error: 'BPF_S_LD_B_ABS' undeclared (first use in this function)
> arch/mips/net/bpf_jit.c:563:7: error: 'BPF_S_ANC_CPU' undeclared (first use in this function)
> arch/mips/net/bpf_jit.c:564:7: error: 'BPF_S_ANC_IFINDEX' undeclared (first use in this function)
> arch/mips/net/bpf_jit.c:565:7: error: 'BPF_S_ANC_MARK' undeclared (first use in this function)
>
> and so on.
>
> Those symbols are not defined anywhere.
>
> The problem is due to a conflict with commit 348059313 (net: filter: get rid of BPF_S_*
> enum), which removed those definitions.

Yep, it seems both got in this merge window from different trees. Don't have mips, but
I'll have a look, and send you a patch.
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