linux-kernel - RE: [PATCH bpf-next v4 03/11] bpf: x86: Factor out a lookup table for some ALU opcodes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 07 Dec 2020 13:08:52 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     Brendan Jackman <jackmanb@...gle.com>, bpf@...r.kernel.org
Cc:     Alexei Starovoitov <ast@...nel.org>, Yonghong Song <yhs@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        KP Singh <kpsingh@...omium.org>,
        Florent Revest <revest@...omium.org>,
        linux-kernel@...r.kernel.org, Jann Horn <jannh@...gle.com>,
        Brendan Jackman <jackmanb@...gle.com>
Subject: RE: [PATCH bpf-next v4 03/11] bpf: x86: Factor out a lookup table for
 some ALU opcodes

Brendan Jackman wrote:
> A later commit will need to lookup a subset of these opcodes. To
> avoid duplicating code, pull out a table.
> 
> The shift opcodes won't be needed by that later commit, but they're
> already duplicated, so fold them into the table anyway.
> 
> Signed-off-by: Brendan Jackman <jackmanb@...gle.com>
> ---

Acked-byy: John Fastabend <john.fastabend@...il.com>