netdev - Re: [PATCH v3 bpf 3/3] bpf: Introduce BPF_ANNOTATE_KV

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Message-ID: <3ed9fab7-ee98-6ff0-f9fa-52e7d191774e@fb.com>
Date:   Tue, 24 Jul 2018 08:54:02 -0700
From:   Yonghong Song <yhs@...com>
To:     Martin KaFai Lau <kafai@...com>, <netdev@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com>
Subject: Re: [PATCH v3 bpf 3/3] bpf: Introduce BPF_ANNOTATE_KV_PAIR



On 7/24/18 8:40 AM, Martin KaFai Lau wrote:
> This patch introduces BPF_ANNOTATE_KV_PAIR to signal the
> bpf loader about the btf key_type and value_type of a bpf map.
> Please refer to the changes in test_btf_haskv.c for its usage.
> Both iproute2 and libbpf loader will then have the same
> convention to find out the map's btf_key_type_id and
> btf_value_type_id from a map's name.
> 
> Fixes: 8a138aed4a80 ("bpf: btf: Add BTF support to libbpf")
> Suggested-by: Daniel Borkmann <daniel@...earbox.net>
> Signed-off-by: Martin KaFai Lau <kafai@...com>

Acked-by: Yonghong Song <yhs@...com>