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From: David Laight <David.Laight@ACULAB.COM>
To: 'Guenter Roeck' <linux@roeck-us.net>,
	Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kees Cook <keescook@chromium.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>
Subject: RE: Linux 6.8-rc6
Date: Thu, 29 Feb 2024 22:19:20 +0000	[thread overview]
Message-ID: <b4fa177d6fcc42deb7db0dc0f9d36fe2@AcuMS.aculab.com> (raw)
In-Reply-To: <8403d8e3-c8ac-476b-8b8e-2c8b6ed8f464@roeck-us.net>

...
> >> I suspect this may be caused by the test assuming that stack growth is
> >> downward, but I don't really understand the test well enough to be sure.
> >> I'll disable this set of tests for m68k going forward, so I am not going
> >> to report the problem again in the future.
> >
> > On m68k, the stack does grow downward.
> 
> Sorry, I meant to say upward, but apparently I was wrong.

Maybe because m68k only has 2 byte alignment for 32 bit items.
That causes grief in many places.
Although kmalloc() returning a larger alignment would fix some
of them without using much more memory?

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)

  reply	other threads:[~2024-02-29 22:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-25 23:57 Linux 6.8-rc6 Linus Torvalds
2024-02-26  8:12 ` Build regressions/improvements in v6.8-rc6 Geert Uytterhoeven
2024-02-26  8:41   ` Geert Uytterhoeven
2024-02-26  9:14 ` Linux 6.8-rc6 Luna Jernberg
2024-02-26 17:51 ` Guenter Roeck
2024-02-27  7:41   ` Geert Uytterhoeven
2024-02-27 14:17     ` Guenter Roeck
2024-02-29 22:19       ` David Laight [this message]
2024-02-29 22:24         ` John Paul Adrian Glaubitz
2024-02-29 23:07         ` Andreas Schwab

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