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SubjectRe: [PATCH 0/8] x86 boot, pda and gdt cleanups
Rusty Russell wrote:
> This is called "pissing in the corners". Don't do it: we don't need to
> touch that code and I actually prefer the original anyway (explicit is
> *good*).
>
> The habit of extracting cpu number once then using it is an optimization
> which we should be aiming to get rid of (it simply hurts archs with
> efficient per-cpu implementations).

No, that was for a reason. I was worried about smp_processor_id() not
returning valid values between init_gdt and cpu_set_gdt. It's not
actually a problem, but relying on smp_processor_id() while we're moving
the foundations its based on seems fragile.

J
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