mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Finn Thain <fthain@linux-m68k.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Christoph Lameter <cl@linux.com>,
	 Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	 Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	 Vlastimil Babka <vbabka@suse.cz>,
	Roman Gushchin <roman.gushchin@linux.dev>,
	 Hyeonggon Yoo <42.hyeyoo@gmail.com>,
	Jens Axboe <axboe@kernel.dk>,
	 Pavel Begunkov <asml.silence@gmail.com>,
	Mike@rox.of.borg, Rapoport@rox.of.borg,
	 Christian Brauner <brauner@kernel.org>,
	Guenter Roeck <linux@roeck-us.net>,
	 Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
	linux-mm@kvack.org,  io-uring@vger.kernel.org,
	linux-m68k@vger.kernel.org,  linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slab: Fix too strict alignment check in create_cache()
Date: Fri, 22 Nov 2024 08:55:37 +0100	[thread overview]
Message-ID: <CAMuHMdWvmwvtA3F3vuYxiDf94Mn2o7TTQ9G-erv-ZfNVjMZrRg@mail.gmail.com> (raw)
In-Reply-To: <dcf5f09a-6c68-4391-2b88-cceac7ff462f@linux-m68k.org>

On Fri, Nov 22, 2024 at 3:11 AM Finn Thain <fthain@linux-m68k.org> wrote:
> On Thu, 21 Nov 2024, John Paul Adrian Glaubitz wrote:
> > On Wed, 2024-11-20 at 13:46 +0100, Geert Uytterhoeven wrote:
> > > On m68k, where the minimum alignment of unsigned long is 2 bytes:
> >
> > Well, well, well, my old friend strikes again ;-).
> >
> > These will always come up until we fix the alignment issue on m68k.
>
> Hmmm. That patch you're replying too. Does it make the kernel source code
> better or worse?

Touché ;-)

The same can be said about commit d811ac148f0afd2f ("virtchnl: fix
m68k build."): if you rely on a specific alignment, make sure to use
__aligned__ and/or struct padding.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

      reply	other threads:[~2024-11-22  7:55 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-20 12:46 Geert Uytterhoeven
2024-11-20 12:49 ` Geert Uytterhoeven
2024-11-20 15:00 ` Guenter Roeck
2024-11-20 15:01 ` Jens Axboe
2024-11-20 15:03 ` Vlastimil Babka
2024-11-20 15:14   ` Guenter Roeck
2024-11-20 15:44     ` Vlastimil Babka
2024-11-20 15:50       ` Geert Uytterhoeven
2024-11-20 17:50   ` Christoph Lameter (Ampere)
2024-11-21  3:51     ` Matthew Wilcox
2024-11-21  8:15     ` Geert Uytterhoeven
2024-11-21 17:23       ` Christoph Lameter (Ampere)
2024-11-21 18:30         ` Guenter Roeck
2024-11-21 18:35           ` Jens Axboe
2024-11-21 18:50           ` Geert Uytterhoeven
2024-11-21 19:08             ` Guenter Roeck
2024-11-21 19:22               ` Guenter Roeck
2024-11-22  9:45                 ` Lorenzo Stoakes
2024-11-22 12:55                   ` Lorenzo Stoakes
2024-11-22 18:54                   ` Christoph Lameter (Ampere)
2024-11-22  0:23           ` Greg Ungerer
2024-11-22  8:12             ` Geert Uytterhoeven
2024-11-22  8:25           ` Max Filippov
2024-11-21 10:19 ` Christian Brauner
2024-11-21 22:02 ` John Paul Adrian Glaubitz
2024-11-22  2:12   ` Finn Thain
2024-11-22  7:55     ` Geert Uytterhoeven [this message]

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=CAMuHMdWvmwvtA3F3vuYxiDf94Mn2o7TTQ9G-erv-ZfNVjMZrRg@mail.gmail.com \
    --to=geert@linux-m68k.org \
    --cc=42.hyeyoo@gmail.com \
    --cc=Mike@rox.of.borg \
    --cc=Rapoport@rox.of.borg \
    --cc=akpm@linux-foundation.org \
    --cc=asml.silence@gmail.com \
    --cc=axboe@kernel.dk \
    --cc=brauner@kernel.org \
    --cc=cl@linux.com \
    --cc=fthain@linux-m68k.org \
    --cc=glaubitz@physik.fu-berlin.de \
    --cc=iamjoonsoo.kim@lge.com \
    --cc=io-uring@vger.kernel.org \
    --cc=jannh@google.com \
    --cc=keescook@chromium.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-m68k@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux@roeck-us.net \
    --cc=penberg@kernel.org \
    --cc=rientjes@google.com \
    --cc=roman.gushchin@linux.dev \
    --cc=vbabka@suse.cz \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®