linux-kernel - Re: [PATCHv3 perf/core 1/6] tools lib bpf: Add BPF program pinning APIs.

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Message-ID: <20170131160827.GA4529@kernel.org>
Date:   Tue, 31 Jan 2017 13:08:27 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Joe Stringer <joe@....org>
Cc:     Wang Nan <wangnan0@...wei.com>, ast@...com,
        Daniel Borkmann <daniel@...earbox.net>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCHv3 perf/core 1/6] tools lib bpf: Add BPF program pinning
 APIs.

Em Mon, Jan 30, 2017 at 09:58:05PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Jan 30, 2017 at 01:16:18PM -0800, Joe Stringer escreveu:
> > On 30 January 2017 at 12:28, Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> > > ---
> > > Thus, a return value of size or more means that the output was
> > > truncated.
> > > ---
>  
> > Good spotting, I looked over the committed versions and tested them,
> > they seem good to me. Thanks!
> 
> Thanks for checking, will push Ingo's way after a battery of extra
> tests, tomorrow,

Which failed for centos:5, centos:6, centos:7, debian:7, debian:8,
debian:experimental and others, I stopped the test at this point,
working on fixing it.

All seems related to:

libbpf.c:1267: error: 'BPF_FS_MAGIC' undeclared (first use in this function)
libbpf.c:1267: error: (Each undeclared identifier is reported only once
libbpf.c:1267: error: for each function it appears in.)