Re: [PATCH v2] alpha/elf: Fix misc/setarch test of util-linux by removing 32bit support
From: Kees Cook
Date: Thu Feb 06 2025 - 10:43:24 EST
On Sun, 12 Jan 2025 23:39:01 -0600, Eric W. Biederman wrote:
> Richard Henderson <richard.henderson@xxxxxxxxxx> 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