[PATCH 0/8] ARM: Expose Armv8 AArch32 features via hwcap

[Linus Walleij]

On Wed, Oct 26, 2022 at 7:51 AM Amit Daniel Kachhap
<amit.kachhap at arm.com> wrote:

> This series advertise availability of Armv8 features present in AArch32
> state. These features are mostly Advanced SIMD(fphp, asimdhp, dp,
> fhm, bf16, i8mm) and few others(sb ssbs). These features are already exposed
> to user in arm64 kernel. A similar series advertising the features in
> arm64 kernel in compat mode will be sent separately.
>
> Some other remaining features(SPECRES,  ETS, nTLBPA, CSV3, LSMAOC) are not
> advertised in arm64 kernel so left here also.
>
> The entire series is divided feature wise as present in Armv8 manual.
> The details of these features can be found in Armv8 architecture
> reference manual available from
> https://developer.arm.com/documentation/ddi0487/gb/?lang=en
>
> All the changes have been tested on Arm FVP Base Revc model after adding
> necessary model parameters.

These all make sense and the patches are fairly trivial, so:
Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

I was just looking at Marcins feature matrix of some systems found
in the wild to see which systems will benefit from this and it includes
Apple M1 and other interesting stuff:
https://marcin.juszkiewicz.com.pl/download/tables/arm-socs.html

Can you please put these patches into Russell's patch tracker?

I might add some comment to some patch just for discussion
but the patches are fine.

Yours,
Linus Walleij