RE: [PATCH v1 0/2] RISC-V: enable rust

From: Kwanghoon Son
Date: Thu Jun 08 2023 - 03:51:15 EST


> Hey Kwang,
>
> > Hi,
> > Recently I'm trying to put a rust patch on the risc-v board.
> > I saw a patch [1] and looked through it roughly.
> > Only if llvm(not gcc) is allowed, it looks good with no major problems.
> >
> > > I'll revisit this when my thoughts have settled down.
> >
> > If you let me know the problematic part, may I try the patch?
> >
> > [1] https://lore.kernel.org/linux-riscv/20230405-itinerary-handgrip-
> > a5ffba368148@spud/
>
> Yeah, you can definitely try this or the downstream rust-for-linux
> project - both should work well on RISC-V.
> The problematic part is figuring out what ISA extensions are supported
> by the rust compiler being used (and by bindgen), and deciding what to
> put in -march as a result.
>
> I think it is unlikely to matter for you, unless you're aggressively
> mixing versions for different parts of your toolchain.
>
> I do intend revisting this, probably after the min. version for rust
> gets bumped, I've just been really busy with other work the last weeks.

No rush! I was just curious.
Thank you for the explanation!

>
> Cheers,
> Conor.