linux-kernel - Re: [PATCH bpf] selftests/bpf: fix implicit-function-declaration errors

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Message-ID: <c8b609ef-2d46-46b3-89ac-5ae84122cb93@linux.dev>
Date: Fri, 3 Oct 2025 20:19:17 -0700
From: Ihor Solodrai <ihor.solodrai@...ux.dev>
To: Eduard Zingerman <eddyz87@...il.com>,
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, alan.maguire@...cle.com
Cc: bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
 Andrii Nakryiko <andrii@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>,
 Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>,
 Yonghong Song <yonghong.song@...ux.dev>,
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>,
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>,
 Jiri Olsa <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>,
 Nathan Chancellor <nathan@...nel.org>,
 Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>
Subject: Re: [PATCH bpf] selftests/bpf: fix implicit-function-declaration
 errors



On 10/3/25 8:08 PM, Ihor Solodrai wrote:
> 
> 
> On 10/3/25 4:37 PM, Eduard Zingerman wrote:
>> On Fri, 2025-10-03 at 17:24 +0200, Matthieu Baerts (NGI0) wrote:
>> [...]
>>
>> Alan, Ihor, does this sound familiar?
> 
> This is most likely the issue addressed in this patch:
> https://lore.kernel.org/dwarves/f7553b3f-5827-4f50-81a9-9bd0802734b9@linux.dev/
> 
> There wasn't a new pahole release with it yet.

Not the best link, sorry. That patch wasn't picked up by lore, only
discussion remains.

Here is the commit pushed to pahole/next:
https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?h=next&id=09c1e9c924da02dc02bba0a3e59490e64449df96