netdev - Re: [PATCH net-next 0/3] tools lib bpf: Synchronize implementations

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Message-ID: <CAADnVQ+u5Q=+275nQCeHN2grk+kmRke9uJmMjRarA92UG7uGsA@mail.gmail.com>
Date:   Tue, 1 Nov 2016 16:04:35 -0600
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     joe@....org, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Wang Nan <wangnan0@...wei.com>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: [PATCH net-next 0/3] tools lib bpf: Synchronize implementations

On Tue, Nov 1, 2016 at 9:48 AM, David Miller <davem@...emloft.net> wrote:
> From: Joe Stringer <joe@....org>
> Date: Mon, 31 Oct 2016 11:39:14 -0700
>
>> Update tools/lib/bpf to provide more functionality and improve interoperation
>> with other tools that generate and use eBPF code.
>>
>> The kernel uapi headers are a bit newer than the version in the tools/
>> directory; synchronize those.
>>
>> samples/bpf/libbpf* has a bit more functionality than tools/lib/bpf, so extend
>> tools/lib/bpf/bpf* with these functions to bring them into parity.
>>
>> tools/lib/bpf cannot read ELFs that tc can read, and vice versa. Update the
>> map definition to be the same as in tc so the ELFs may be interchangeable
>> (at least for now; I don't have a long-term plan in mind to ensure this always
>> works).
>
> Alexei and Daniel, please review.

sorry for delay. swamped at KS+plumbers.
quick note:
I think these patches has to go through Arnaldo's perf tree, since
otherwise they will conflict with Wang's changes.