From: sashiko-bot@kernel.org
To: "Arnaldo Carvalho de Melo" <acme@kernel.org>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v2 1/1] perf tools: Bump the minimum Python version to 3.9
Date: Fri, 25 Sep 2026 23:50:11 +0000 [thread overview]
Message-ID: <20260925235011.9E9261F000FF@smtp.kernel.org> (raw)
In-Reply-To: <arcHnvhd56I8SrZH@x2>
> perf's build only refused interpreters older than 3.6, the check added
> when jevents.py started using f-strings, and jevents.py carried a
> removesuffix() shim to stay usable on them.
>
> The kernel itself requires Python 3.9.x since 5e25b972a22be224 ("docs:
> changes: update Python minimal version"), so tools in the tree are
> expected to work with it, and staying compatible with older
> interpreters stopped paying off:
>
> - the PEP 585 generics, list[...], used by the type annotations in
> jevents.py and util/setup.py are only subscriptable from Python 3.9
> and, being evaluated at import or definition time, they break the
> build on RHEL 8's python3.6.8 with:
>
> TypeError: 'type' object is not subscriptable
> [ ... ]
>
> Suggested-by: Ian Rogers <irogers@google.com>
> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> Assisted-by: LLM
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/arcHnvhd56I8SrZH@x2?part=1
prev parent reply other threads:[~2026-09-25 23:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 23:45 [PATCH v2 1/1] perf tools: Bump the minimum Python version to 3.9 Arnaldo Carvalho de Melo
2026-09-25 23:50 ` sashiko-bot [this message]
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