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Date:   Fri, 15 Feb 2019 01:53:13 +0000
From:   Yonghong Song <>
To:     Andrey Ignatov <>,
        "" <>
CC:     "" <>,
        "" <>,
        Kernel Team <>
Subject: Re: [PATCH bpf-next 2/2] libbpf: Introduce bpf_object__btf

On 2/14/19 3:01 PM, Andrey Ignatov wrote:
> Add new accessor for bpf_object to get opaque struct btf * from it.
> struct btf * is needed for all operations with BTF and it's present in
> bpf_object. The only thing missing is a way to get it.
> Example use-case is to get BTF key_type_id an value_type_id for a map in
nit: an => and
> bpf_object. It can be done with btf__get_map_kv_tids() but that function
> requires struct btf *.
> Similar API can be added for struct btf_ext but no use-case for it yet.
> Signed-off-by: Andrey Ignatov <>

Acked-by: Yonghong Song <>

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