linux-kernel - Re: [PATCH bpf-next 1/2] trace: bpf: Allow bpf to attach to bare tracepoints

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Message-ID: <98738d92-7679-5ed2-71c8-1ba71d7cac6e@fb.com>
Date:   Wed, 13 Jan 2021 08:06:03 -0800
From:   Yonghong Song <yhs@...com>
To:     Qais Yousef <qais.yousef@....com>
CC:     <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Steven Rostedt <rostedt@...dmis.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next 1/2] trace: bpf: Allow bpf to attach to bare
 tracepoints



On 1/13/21 2:16 AM, Qais Yousef wrote:
> On 01/12/21 12:19, Yonghong Song wrote:
>> I applied the patch to my local bpf-next repo, and got the following
>> compilation error:
> 
> [...]
> 
>>
>> I dumped preprecessor result but after macro expansion, the code
>> becomes really complex and I have not figured out why it failed.
>> Do you know what is the possible reason?
> 
> Yeah I did a last minute fix to address a checkpatch.pl error and my
> verification of the change wasn't good enough obviously.
> 
> If you're keen to try out I can send you a patch with the fix. I should send v2
> by the weekend too.

Thanks. I can wait and will check v2 once it is available.

> 
> Thanks for having a look.
> 
> Cheers
> 
> --
> Qais Yousef
>