netdev - Re: [PATCH v4 bpf-next 03/20] bpf: Add bpf_arch_text

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Message-ID: <CAEf4BzbTrm4cQ7jBp-1izfhzD3cEc2QUzCd3rugd1PzFSb2Qfw@mail.gmail.com>
Date:   Fri, 15 Nov 2019 14:18:16 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Daniel Borkmann <daniel@...earbox.net>, x86@...nel.org,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH v4 bpf-next 03/20] bpf: Add bpf_arch_text_poke() helper

On Thu, Nov 14, 2019 at 10:58 AM Alexei Starovoitov <ast@...nel.org> wrote:
>
> Add bpf_arch_text_poke() helper that is used by BPF trampoline logic to patch
> nops/calls in kernel text into calls into BPF trampoline and to patch
> calls/nops inside BPF programs too.
>
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>
> Acked-by: Song Liu <songliubraving@...com>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  arch/x86/net/bpf_jit_comp.c | 51 +++++++++++++++++++++++++++++++++++++
>  include/linux/bpf.h         |  8 ++++++
>  kernel/bpf/core.c           |  6 +++++
>  3 files changed, 65 insertions(+)
>

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