Re: [PATCH v3 0/4] Give chance to build under !CONFIG_SMP for LoongArch

From: Xi Ruoyao
Date: Thu Apr 18 2024 - 13:45:06 EST


On Thu, 2024-04-11 at 08:06 +0200, Arnd Bergmann wrote:
> On Thu, Apr 11, 2024, at 06:26, Huacai Chen wrote:
> >
> > I remember that you both suggested not introducing NOSMP support for a
> > modern architecture which brings additional complexity. I wonder if
> > you still have the same attitude now. I will merge this series only if
> > you think it is worthy to introduce NOSMP now.
>
> It's an interesting question, as we have recently discussed two
> opposite ideas and may end up doing both (or possible neither)
> in the future:
>
> - On x86, there is no real reason to need non-SMP kernels as the
>   memory savings are fairly small, and it tends to break because
>   of lack of users testing it.

FWIW I'm still running the latest Linux kernel on a Athlon 64 3000+
launched in 2004 with !CONFIG_SMP :).

No objection to this paragraph (and other paragraphs) though.

--
Xi Ruoyao <xry111@xxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University