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Date:   Thu, 3 Sep 2020 17:31:42 -0700
From:   Alexei Starovoitov <>
To:     Andrii Nakryiko <>
Subject: Re: [PATCH v3 bpf-next 00/14] Add libbpf full support for BPF-to-BPF

On Thu, Sep 03, 2020 at 01:35:28PM -0700, Andrii Nakryiko wrote:
> This patch set removes all such restrictions and adds complete support for
> using BPF sub-program calls on BPF side. This is achieved through libbpf
> tracking subprograms individually and detecting which subprograms are used by
> any given entry-point BPF program, and subsequently only appending and
> relocating code for just those used subprograms.
> In addition, libbpf now also supports multiple entry-point BPF programs within
> the same ELF section. This allows to structure code so that there are few
> variants of BPF programs of the same type and attaching to the same target
> (e.g., for tracepoints and kprobes) without the need to worry about ELF
> section name clashes.

Applied. Thanks

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