netdev - Re: [PATCHv4 net-next 06/15] bpf: enable non-core use of the verfier

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Message-ID: <20160915201030.GB74433@ast-mbp.thefacebook.com>
Date:   Thu, 15 Sep 2016 13:10:31 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     netdev@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        jiri@...nulli.us, john.fastabend@...il.com, kubakici@...pl
Subject: Re: [PATCHv4 net-next 06/15] bpf: enable non-core use of the verfier

On Thu, Sep 15, 2016 at 08:12:26PM +0100, Jakub Kicinski wrote:
> Advanced JIT compilers and translators may want to use
> eBPF verifier as a base for parsers or to perform custom
> checks and validations.
> 
> Add ability for external users to invoke the verifier
> and provide callbacks to be invoked for every intruction
> checked.  For now only add most basic callback for
> per-instruction pre-interpretation checks is added.  More
> advanced users may also like to have per-instruction post
> callback and state comparison callback.
> 
> Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
> ---
> v4:
>  - separate from the header split patch.

Acked-by: Alexei Starovoitov <ast@...nel.org>