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

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Message-ID: <589A5597.7090107@fb.com>
Date:   Tue, 7 Feb 2017 15:17:43 -0800
From:   Alexei Starovoitov <ast@...com>
To:     Mickaël Salaün <mic@...ikod.net>,
        <linux-kernel@...r.kernel.org>
CC:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        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

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?