netdev - Re: [PATCH net-next v3 04/11] bpf: Use bpf_load

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Message-ID: <20170208194110.GB2162@redhat.com>
Date:   Wed, 8 Feb 2017 17:41:10 -0200
From:   Arnaldo Carvalho de Melo <acme@...hat.com>
To:     Alexei Starovoitov <ast@...com>
Cc:     Mickaël Salaün <mic@...ikod.net>,
        linux-kernel@...r.kernel.org,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH net-next v3 04/11] bpf: Use bpf_load_program() from the
 library

Em Tue, Feb 07, 2017 at 03:17:43PM -0800, Alexei Starovoitov escreveu:
> On 2/7/17 1:44 PM, Mickaël Salaün wrote:
> >-	union bpf_attr attr;
> >+	union bpf_attr attr = {};
> >
> >-	bzero(&attr, sizeof(attr));
 
> I think somebody mentioned that there are compilers out there
> that don't do it correctly, hence it was done with explicit bzero.
> Arnaldo, Wang, do you remember the details?

Yeah, lemme dig it...

- Arnaldo