Re: [PATCH v2 0/4] riscv: Separate vendor extensions from standard extensions

Charlie Jenkins
2024-06-13T17:37:36Z

On Thu, Jun 13, 2024 at 03:45:33PM +0100, Conor Dooley wrote:
> On Sun, Jun 09, 2024 at 09:34:13PM -0700, Charlie Jenkins wrote:
> > All extensions, both standard and vendor, live in one struct
> > "riscv_isa_ext". There is currently one vendor extension, xandespmu, but
> > it is likely that more vendor extensions will be added to the kernel in
> > the future. As more vendor extensions (and standard extensions) are
> > added, riscv_isa_ext will become more bloated with a mix of vendor and
> > standard extensions.
> >
> > This also allows each vendor to be conditionally enabled through
> > Kconfig.
> >
> > ---
> > This has been split out from the previous series that contained the
> > addition of xtheadvector due to lack of reviews. The xtheadvector
> > support will be posted again separately from this.
>
> I think that's a good call.
>
> > The reviewed-bys on "riscv: Extend cpufeature.c to detect vendor extensions"
> > and "riscv: Introduce vendor variants of extension helpers" have been
> > dropped in this series. The majority of the code is the same in these
> > patches, but thead-specific code is swapped out with andes-specific
> > code. The changes are minimal, but I decided to drop the reviews in case
> > I inadvertently introduced issues.
>
> Actually, you only completely did that on the first of the two patches
> you mention, but I don't mind.

You reviewed the third patch of this series in the first revision of
this series and I should have updated this comment.

- Charlie