From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Borkmann <daniel@iogearbox.net>
Subject: Re: [PATCH net-next v3 1/2] libbpf: parse maps sections of varying
 size
Date: Thu, 05 Oct 2017 21:25:49 +0200
Message-ID: <59D6873D.6070407@iogearbox.net>
References: <20171005144158.14860-1-kraigatgoog@gmail.com> <20171005144158.14860-2-kraigatgoog@gmail.com>
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Cc: Chonggang Li <chonggangli@google.com>, netdev@vger.kernel.org
To: Craig Gallek <kraigatgoog@gmail.com>,
        Alexei Starovoitov <ast@fb.com>,
        Jesper Dangaard Brouer <brouer@redhat.com>,
        "David S . Miller" <davem@davemloft.net>
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On 10/05/2017 04:41 PM, Craig Gallek wrote:
> From: Craig Gallek <kraig@google.com>
>
> This library previously assumed a fixed-size map options structure.
> Any new options were ignored.  In order to allow the options structure
> to grow and to support parsing older programs, this patch updates
> the maps section parsing to handle varying sizes.
>
> Object files with maps sections smaller than expected will have the new
> fields initialized to zero.  Object files which have larger than expected
> maps sections will be rejected unless all of the unrecognized data is zero.
>
> This change still assumes that each map definition in the maps section
> is the same size.
>
> Signed-off-by: Craig Gallek <kraig@google.com>

Thanks,

Acked-by: Daniel Borkmann <daniel@iogearbox.net>