Re: [PATCH] arm64/sme: Add hwcap for Scalable Matrix Extension

[Marc Zyngier]

On Thu, 14 Apr 2022 12:55:44 +0100,
Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx> wrote:
> 
> Allow userspace to detect support for SME (Scalable Matrix Extension)
> by providing a hwcap for it, using the official feature name FEAT_SME,
> declared in ARM DDI 0487H.a specification.

Err, not just that, for sure. What does this patch buys you on its
own, given that the kernel doesn't implement anything yet and that all
the SME instructions will UNDEF?

[1] is the real deal.

Thanks,

	M.

[1] https://lore.kernel.org/r/20220408114328.1401034-1-broonie@xxxxxxxxxx

-- 
Without deviation from the norm, progress is not possible.