netdev - Re: [PATCH v3 bpf-next 03/18] bpf: Introduce BPF trampoline

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Message-ID: <921B7346-5B86-4ADD-BDC7-B1BA35F2476B@fb.com>
Date:   Fri, 8 Nov 2019 07:04:12 +0000
From:   Song Liu <songliubraving@...com>
To:     Alexei Starovoitov <ast@...nel.org>
CC:     David Miller <davem@...emloft.net>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "x86@...nel.org" <x86@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH v3 bpf-next 03/18] bpf: Introduce BPF trampoline



> On Nov 7, 2019, at 10:40 PM, Alexei Starovoitov <ast@...nel.org> wrote:

[...]

> BPF trampoline is intended to be used beyond tracing and fentry/fexit use cases
> in the future. For example to remove retpoline cost from XDP programs.
> 
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>
> Acked-by: Andrii Nakryiko <andriin@...com>

Acked-by: Song Liu <songliubraving@...com>