[PATCH 5/6] riscv: hwprobe: Report XTheadVector only when available

Guodong Xu guodong.xu at oss.qualcomm.com
Sun Nov 8 06:00:46 PST 2026


Hi Charlie, Radim,

On Wed, 7 Oct 2026 01:07:20 -0700, Charlie Jenkins wrote:
> On Wed, Oct 07, 2026 at 09:59:30AM +0200, Radim Krčmář wrote:
> > 2026-10-06T16:54:53-07:00, Charlie Jenkins <thecharlesjenkins at gmail.com>:
> [...]
> > >                                                                      Is
> > > it worthwhile to make this change?
> >
> > I think that it's sensible to mimic the validation we do for the
> > non-vendor extension, but users of vendor extensions likely already have
> > to go out of their way to utilize them, so they can do the sanity checks
> > too... I can drop the last two patches in v2.
>
> I don't know, it seems better to keep standardization if possible and
> leave the check in here to mimic the standard extensions?

+1 to keeping patches 5 and 6 in v2.

Having the vendor keys follow the same rule as the standard ones keeps
the meaning of every hwprobe bit uniform, which I think is a must.

Guodong



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