netdev - Re: [PATCH v2 bpf-next 00/14] bpf: Support calling kernel function

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Date:   Mon, 29 Mar 2021 13:18:20 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Martin KaFai Lau <kafai@...com>
Cc:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        kernel-team <kernel-team@...com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 bpf-next 00/14] bpf: Support calling kernel function

On Sun, Mar 28, 2021 at 6:24 PM Martin KaFai Lau <kafai@...com> wrote:
> Could you also check the CONFIG_DYNAMIC_FTRACE and also try 'y' if it
> is not set?

On my side, with pahole==1.17, changing CONFIG_DYNAMIC_FTRACE
makes no difference. With pahole==1.20, CONFIG_DYNAMIC_FTRACE=y
makes it gone, but CONFIG_DYNAMIC_FTRACE=n not.

Thanks.