From: Kees Cook <kees@kernel.org>
To: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
"Eric W. Biederman" <ebiederm@xmission.com>
Cc: Kees Cook <kees@kernel.org>,
"Maciej W. Rozycki" <macro@orcam.me.uk>,
Arnd Bergmann <arnd@arndb.de>,
Richard Henderson <richard.henderson@linaro.org>,
Matt Turner <mattst88@gmail.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
linux-alpha@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, Michael Cree <mcree@orcon.net.nz>,
Sam James <sam@gentoo.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>,
Chris Hofstaedtler <zeha@debian.org>,
util-linux@vger.kernel.org, linux-mips@vger.kernel.org,
loongarch@lists.linux.dev
Subject: Re: [PATCH v2] alpha/elf: Fix misc/setarch test of util-linux by removing 32bit support
Date: Thu, 6 Feb 2025 07:42:32 -0800 [thread overview]
Message-ID: <173885655037.1454207.17881331998395742818.b4-ty@kernel.org> (raw)
In-Reply-To: <87y0zfs26i.fsf_-_@email.froward.int.ebiederm.org>
On Sun, 12 Jan 2025 23:39:01 -0600, Eric W. Biederman wrote:
> Richard Henderson <richard.henderson@linaro.org> writes[1]:
>
> > There was a Spec benchmark (I forget which) which was memory bound and ran
> > twice as fast with 32-bit pointers.
> >
> > I copied the idea from DEC to the ELF abi, but never did all the other work
> > to allow the toolchain to take advantage.
> >
> > Amusingly, a later Spec changed the benchmark data sets to not fit into a
> > 32-bit address space, specifically because of this.
> >
> > I expect one could delete the ELF bit and personality and no one would
> > notice. Not even the 10 remaining Alpha users.
>
> [...]
Applied to for-next/topic/execve/core, thanks!
[1/1] alpha/elf: Fix misc/setarch test of util-linux by removing 32bit support
https://git.kernel.org/kees/c/b029628be267
Take care,
--
Kees Cook
next prev parent reply other threads:[~2025-02-06 15:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-03 14:01 [PATCH] alpha: Fix personality flag propagation across an exec John Paul Adrian Glaubitz
2025-01-08 22:49 ` Kees Cook
2025-01-09 0:52 ` Jeff Xu
2025-01-09 8:01 ` Arnd Bergmann
2025-01-09 8:43 ` Arnd Bergmann
2025-01-09 8:46 ` John Paul Adrian Glaubitz
2025-01-09 8:56 ` Arnd Bergmann
2025-01-09 9:12 ` John Paul Adrian Glaubitz
2025-01-09 16:18 ` Eric W. Biederman
2025-01-09 16:52 ` Arnd Bergmann
2025-01-09 17:17 ` Eric W. Biederman
2025-01-09 20:10 ` Maciej W. Rozycki
2025-01-09 20:53 ` Arnd Bergmann
2025-01-12 14:40 ` Maciej W. Rozycki
2025-01-10 0:28 ` Richard Henderson
2025-01-11 0:16 ` [PATCH] alpha/elf: Fix misc/setarch test of util-linux by removing 32bit support Eric W. Biederman
2025-01-11 1:17 ` Richard Henderson
2025-01-11 10:37 ` John Paul Adrian Glaubitz
2025-01-12 14:40 ` Maciej W. Rozycki
2025-01-12 14:56 ` John Paul Adrian Glaubitz
2025-01-13 5:39 ` [PATCH v2] " Eric W. Biederman
2025-01-18 10:35 ` Ivan Kokshaysky
2025-01-26 17:15 ` John Paul Adrian Glaubitz
2025-01-27 13:27 ` Ivan Kokshaysky
2025-02-03 11:55 ` John Paul Adrian Glaubitz
2025-02-06 15:42 ` Kees Cook [this message]
2025-01-11 11:26 ` [PATCH] " Arnd Bergmann
2025-01-11 15:27 ` Ivan Kokshaysky
2025-01-13 5:32 ` Eric W. Biederman
2025-01-11 21:26 ` John Paul Adrian Glaubitz
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