From: Markus Elfring <Markus.Elfring@web.de>
To: cocci@inria.fr
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: Re: Improving output for single characters (with SmPL)?
Date: Fri, 24 Jul 2026 11:02:07 +0200 [thread overview]
Message-ID: <be2727e1-907e-487f-8522-e5aa694b1c38@web.de> (raw)
In-Reply-To: <202dfb21-f5a2-4550-8a1f-aa07d84db345@web.de>
> Which implementation details should be reconsidered here for an affected macro?
> https://elixir.bootlin.com/linux/v7.2-rc4/source/tools/bpf/bpftool/netlink_dumper.h#L25
The shown source code transformation approach can be repeated on demand
for selected areas.
Another test result (according to the software combination “Coccinelle 1.3.1”):
Markus_Elfring@Sonne:…/Projekte/Linux/next-analyses> time /usr/bin/spatch --timeout 23 -j4 --chunksize 1 --no-loops --include-headers -dir tools/bpf/bpftool /home/altes_Heim2/elfring/Projekte/Coccinelle/janitor/use_fputc-20260723.cocci > /home/altes_Heim2/elfring/Projekte/Bau/Linux/scripts/Coccinelle/tuning1/next/20260721/use_fputc-bpftool-2.diff
…
17 files match
…
real 0m1,998s
user 0m4,143s
sys 0m0,372s
Now I wonder about the following information.
Markus_Elfring@Sonne:/home/altes_Heim2/elfring/Projekte/Linux/next-analyses> grep 'diff -u -p a/netlink_dumper.h b/netlink_dumper.h' /home/altes_Heim2/elfring/Projekte/Bau/Linux/scripts/Coccinelle/tuning1/next/20260721/use_fputc-bpftool-2.diff | wc -l
2
Should it be sufficient to adjust an affected header file only once
(according to the means of the mentioned development tool)?
https://gitlab.inria.fr/coccinelle/coccinelle/-/blob/bd41911b6d35eda4d9a03247043bd3879733fb3f/docs/manual/spatch_options.tex#L43-46
Regards,
Markus
next prev parent reply other threads:[~2026-07-24 9:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-22 17:03 Markus Elfring
2026-07-23 19:26 ` Markus Elfring
2026-07-24 9:02 ` Markus Elfring [this message]
2026-08-01 8:10 ` Markus Elfring
2026-08-01 8:18 ` Julia Lawall
2026-08-01 12:00 ` [cocci] " Markus Elfring
2026-08-02 10:06 ` Markus Elfring
2026-08-03 5:40 ` [cocci] Improving parallel data processing for hierarchical structures? Markus Elfring
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