[PATCH 2/8] ARM: vfp: Remove workaround for Feroceon CPUs

[Arnd Bergmann]

On Tue, May 9, 2023, at 14:29, Ard Biesheuvel wrote:
> Feroceon CPUs have a non-standard implementation of VFP which reports
> synchronous VFP exceptions using the async VFP flag. This requires a
> workaround which is difficult to reconcile with other implementations,
> making it tricky to support both versions in a single image.
>
> Since this is a v5 CPU, it is not supported by armhf and so the
> likelihood that anybody is using this with recent distros/kernels and
> rely on the VFP at the same time is extremely low. So let's just disable
> VFP support on these cores, so we can remove the workaround.
>
> This will help future development to support v5 and v6 CPUs with a
> single kernel image.
>
> Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
> Acked-by: Nicolas Pitre <nico at fluxnic.net>
> Signed-off-by: Ard Biesheuvel <ardb at kernel.org>

Acked-by: Arnd Bergmann <arnd at arndb.de>