linux-kernel - Re: [PATCH v2 net-next 1/2] bpf: allow extended BPF programs access skb fields

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Message-ID: <55039A0D.20000@iogearbox.net>
Date:	Sat, 14 Mar 2015 03:16:45 +0100
From:	Daniel Borkmann <daniel@...earbox.net>
To:	Alexei Starovoitov <ast@...mgrid.com>,
	"David S. Miller" <davem@...emloft.net>
CC:	Thomas Graf <tgraf@...g.ch>, linux-api@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 net-next 1/2] bpf: allow extended BPF programs access
 skb fields

On 03/14/2015 03:08 AM, Alexei Starovoitov wrote:
> On 3/13/15 7:06 PM, Daniel Borkmann wrote:
>> On 03/14/2015 02:46 AM, Daniel Borkmann wrote:
>> ...
>>> Previously, it was much more consistent, which I like better. And only
>>> because of the simple BUILD_BUG_ON()? :/
>>
>> Alternative is to move all of them into a central place, something like
>> in twsk_build_assert() or __mld2_query_bugs[].
>
> nope. that defeats the purpose of bug_on.

Well, it doesn't. ;) It throws a build error thus the user is forced to
investigate that further.
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