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Date:   Wed, 27 May 2020 17:01:10 +0200
From:   Toke Høiland-Jørgensen <>
To:     David Ahern <>, David Ahern <>,
Subject: Re: [PATCH bpf-next 4/5] bpftool: Add SEC name for xdp programs attached to device map

David Ahern <> writes:

> On 5/27/20 4:02 AM, Toke Høiland-Jørgensen wrote:
>> David Ahern <> writes:
>>> Support SEC("xdp_dm*") as a short cut for loading the program with
>>> type BPF_PROG_TYPE_XDP and expected attach type BPF_XDP_DEVMAP.
>> You're not using this in the selftest; shouldn't you be? Also, the
>> prefix should be libbpf: not bpftool:, no?
> The selftest is exercising kernel APIs - what is allowed and what is
> not.

Sure, but they also de facto serve as example code for features that are
not documented anywhere else, so just seemed a bit odd to me that you
were not using this to mark the programs.

Anyway, not going to insist if you prefer explicitly setting


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