Re: Re: [PATCH v2 0/3] Inline helpers into Rust without full LTO

[Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>]

On Mon, Mar 23, 2026 at 1:55 PM Andrew Lunn <andrew@lunn.ch> wrote:
>
> The current proposed code for netlink needs this feature, because it
> needs access to inline C functions. Is the implication, following a
> chain of dependencies, that netlink would only build on x86_64 and
> arm64?
>
> If you want netlink on um, arm32, riscv, loongarch you would need a
> different implementation of the binding?

I still don't follow -- this new mode is opt-in, and only a couple
architectures (or whoever decides to support it) would be able to
opt-in. Nothing else changes.

> And a completely different question. Are there other work in progress
> solutions to allow the use of inline C functions? For networking, in
> particularly MAC and protocol code, anything which needs to access a
> struct sk_buf, a solution to this problem will be required. Do you see
> this "fairly exotic approach" as just a sort term bridge until some
> other "boring approach" is ready?

This series is really just a way to increase performance, i.e. it
doesn't really change what we can do.

Cheers,
Miguel