netdev - Re: [PATCHv5 net-next 07/15] bpf: recognize 64bit immediate loads as consts

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Message-ID: <57DC6622.3090402@iogearbox.net>
Date:   Fri, 16 Sep 2016 23:37:38 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        netdev@...r.kernel.org
CC:     ast@...nel.org
Subject: Re: [PATCHv5 net-next 07/15] bpf: recognize 64bit immediate loads
 as consts

On 09/16/2016 11:36 AM, Jakub Kicinski wrote:
> When running as parser interpret BPF_LD | BPF_IMM | BPF_DW
> instructions as loading CONST_IMM with the value stored
> in imm.  The verifier will continue not recognizing those
> due to concerns about search space/program complexity
> increase.
>
> Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
> Acked-by: Alexei Starovoitov <ast@...nel.org>

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