Re: [patch 5/9] x86: Cure per CPU madness on UP

[Linus Torvalds]

On Fri, 15 Mar 2024 at 18:11, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> You wish. We still support 486 and some of the still produced 486 clones
> do not have a local APIC.

Ouch. I was _sure_ we had dropped i486 support too due to cmpxchg8b.

But apparently that was just a discussion, and my wishful thinking,
and we never actually followed through.

         Linus