linux-kernel - Re: [PATCH v3 2/2] perf bpf-filter: Enable events manually

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Message-ID: <4a7fc5ab-682d-4fac-a547-9e4b1263dba7-agordeev@linux.ibm.com>
Date: Tue, 5 Aug 2025 16:14:39 +0200
From: Alexander Gordeev <agordeev@...ux.ibm.com>
To: Ilya Leoshkevich <iii@...ux.ibm.com>,
        Thomas Richter <tmricht@...ux.ibm.com>
Cc: Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>, Ian Rogers <irogers@...gle.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>, bpf@...r.kernel.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>
Subject: Re: [PATCH v3 2/2] perf bpf-filter: Enable events manually

On Tue, Aug 05, 2025 at 02:54:05PM +0200, Ilya Leoshkevich wrote:

Hi Thomas,

The below comments date to the initial version, so the question is
rather to you:

> On linux-next

This line is extra.

> commit b4c658d4d63d61 ("perf target: Remove uid from target")
> introduces a regression on s390. In fact the regression exists
> on all platforms when the event supports auxiliary data gathering.

So which commit it actually fixes: the above, the below or the both?

> Fixes: 63f2f5ee856ba ("libbpf: add ability to attach/detach BPF program to perf event")

Thanks!