All of lore.kernel.org
 help / color / mirror / Atom feed
From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Eugenio Pérez" <eperezma@redhat.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Al Viro" <viro@zeniv.linux.org.uk>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Alexey Dobriyan" <adobriyan@gmail.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Arnd Bergmann" <arnd@kernel.org>,
	"Borislav Petkov" <bp@alien8.de>,
	"Cong Wang" <cong.wang@bytedance.com>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"David Laight" <David.Laight@aculab.com>,
	"David Lechner" <dlechner@baylibre.com>,
	"Dinh Nguyen" <dinguyen@kernel.org>,
	"Eduard Zingerman" <eddyz87@gmail.com>,
	"Gatlin Newhouse" <gatlin.newhouse@gmail.com>,
	"Hao Luo" <haoluo@google.com>, "Ingo Molnar" <mingo@redhat.com>,
	"Jakub Sitnicki" <jakub@cloudflare.com>,
	"Jan Hendrik Farr" <kernel@jfarr.cc>,
	"Jason Wang" <jasowang@redhat.com>,
	"Jiri Olsa" <jolsa@kernel.org>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
	"Josh Poimboeuf" <jpoimboe@kernel.org>,
	"KP Singh" <kpsingh@kernel.org>, "Kees Cook" <kees@kernel.org>,
	"Luc Van Oostenryck" <luc.vanoostenryck@gmail.com>,
	"Marc Herbert" <Marc.Herbert@linux.intel.com>,
	"Martin KaFai Lau" <martin.lau@linux.dev>,
	"Mateusz Guzik" <mjguzik@gmail.com>,
	"Michal Luczaj" <mhal@rbox.co>, "Miguel Ojeda" <ojeda@kernel.org>,
	"Mykola Lysenko" <mykolal@fb.com>, NeilBrown <neil@brown.name>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Przemek Kitszel" <przemyslaw.kitszel@intel.com>,
	"Sami Tolvanen" <samitolvanen@google.com>,
	"Shuah Khan" <shuah@kernel.org>, "Song Liu" <song@kernel.org>,
	"Stanislav Fomichev" <sdf@fomichev.me>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Thorsten Blum" <thorsten.blum@linux.dev>,
	"Uros Bizjak" <ubizjak@gmail.com>,
	"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
	"Yafang Shao" <laoar.shao@gmail.com>,
	"Ye Bin" <yebin10@huawei.com>,
	"Yonghong Song" <yonghong.song@linux.dev>,
	"Yufeng Wang" <wangyufeng@kylinos.cn>,
	bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-sparse@vger.kernel.org, virtualization@lists.linux.dev,
	x86@kernel.org
Subject: Re: [PATCH 4/7] arch/nios: replace "__auto_type" with "auto"
Date: Fri, 18 Jul 2025 15:11:13 -0700	[thread overview]
Message-ID: <62cfe957-56bb-43de-91d9-9f64d8100a62@zytor.com> (raw)
In-Reply-To: <CAHk-=whGcopJ_wewAtzfTS7=cG1yvpC90Y-xz5t-1Aw0ew682w@mail.gmail.com>

On 2025-07-18 14:49, Linus Torvalds wrote:
> 
> Side note: I think some coccinelle (or sed) script that replaces that
> older form of
> 
>        typeof(x) Y = (typeof(x))(Z);
> 
> or
> 
>         typeof(Z) Y = Z;
> 
> 
> with just
> 
>         auto Y = Z;
> 
> is also worthwhile at some point.
> 
> We have more of those, because that's the really traditional gcc way
> to do things that predates __auto_type.
> 

Agreed.  And I think that this, indeed is a job more for Coccinelle than
for sed, because the patterns can be rather complex and we don't want
false positives.

	-hpa


  reply	other threads:[~2025-07-18 22:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-18 21:32 [PATCH 0/7] Replace "__auto_type" with "auto" H. Peter Anvin
2025-07-18 21:32 ` [PATCH 1/7] compiler_types.h: add "auto" as a macro for "__auto_type" H. Peter Anvin
2025-07-18 21:32 ` [PATCH 2/7] include/linux: change "__auto_type" to "auto" H. Peter Anvin
2025-07-18 21:32 ` [PATCH 3/7] fs/proc: replace "__auto_type" with "auto" H. Peter Anvin
2025-07-19 14:26   ` Alexey Dobriyan
2025-07-18 21:32 ` [PATCH 4/7] arch/nios: " H. Peter Anvin
2025-07-18 21:49   ` Linus Torvalds
2025-07-18 22:11     ` H. Peter Anvin [this message]
2025-07-18 22:48     ` Linus Torvalds
2025-07-18 22:58       ` Linus Torvalds
2025-07-19  9:06     ` David Laight
2025-07-19  9:52     ` David Laight
2025-07-18 21:32 ` [PATCH 5/7] arch/x86: " H. Peter Anvin
2025-07-18 21:32 ` [PATCH 6/7] selftests/bpf: " H. Peter Anvin
2025-07-18 21:32 ` [PATCH 7/7] tools/virtio: " H. Peter Anvin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=62cfe957-56bb-43de-91d9-9f64d8100a62@zytor.com \
    --to=hpa@zytor.com \
    --cc=David.Laight@aculab.com \
    --cc=Jonathan.Cameron@huawei.com \
    --cc=Marc.Herbert@linux.intel.com \
    --cc=adobriyan@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=andrii@kernel.org \
    --cc=arnd@kernel.org \
    --cc=ast@kernel.org \
    --cc=bp@alien8.de \
    --cc=bpf@vger.kernel.org \
    --cc=cong.wang@bytedance.com \
    --cc=dan.j.williams@intel.com \
    --cc=daniel@iogearbox.net \
    --cc=dave.hansen@linux.intel.com \
    --cc=dinguyen@kernel.org \
    --cc=dlechner@baylibre.com \
    --cc=eddyz87@gmail.com \
    --cc=eperezma@redhat.com \
    --cc=gatlin.newhouse@gmail.com \
    --cc=haoluo@google.com \
    --cc=ilpo.jarvinen@linux.intel.com \
    --cc=jakub@cloudflare.com \
    --cc=jasowang@redhat.com \
    --cc=john.fastabend@gmail.com \
    --cc=jolsa@kernel.org \
    --cc=jpoimboe@kernel.org \
    --cc=kees@kernel.org \
    --cc=kernel@jfarr.cc \
    --cc=kpsingh@kernel.org \
    --cc=laoar.shao@gmail.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=linux-sparse@vger.kernel.org \
    --cc=luc.vanoostenryck@gmail.com \
    --cc=martin.lau@linux.dev \
    --cc=mhal@rbox.co \
    --cc=mingo@redhat.com \
    --cc=mjguzik@gmail.com \
    --cc=mst@redhat.com \
    --cc=mykolal@fb.com \
    --cc=neil@brown.name \
    --cc=ojeda@kernel.org \
    --cc=peterz@infradead.org \
    --cc=przemyslaw.kitszel@intel.com \
    --cc=samitolvanen@google.com \
    --cc=sdf@fomichev.me \
    --cc=shuah@kernel.org \
    --cc=song@kernel.org \
    --cc=tglx@linutronix.de \
    --cc=thorsten.blum@linux.dev \
    --cc=torvalds@linux-foundation.org \
    --cc=ubizjak@gmail.com \
    --cc=viro@zeniv.linux.org.uk \
    --cc=virtualization@lists.linux.dev \
    --cc=wangyufeng@kylinos.cn \
    --cc=x86@kernel.org \
    --cc=xuanzhuo@linux.alibaba.com \
    --cc=yebin10@huawei.com \
    --cc=yonghong.song@linux.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.