[RFC v2 PATCH 0/16] Optimize this_cpu_*() ops for non-x86 (ARM64 for this series)

[Christoph Lameter (Ampere)]

On Tue, 4 Aug 2026, David Hildenbrand (Arm) wrote:

> >> If the proposed solution has a significant benefit over Mark's solution it could
> >> be discussed as a next step; and it must be backed with sufficient data to
> >> warrant all this complexity here.
> >
> > You cannot accept that one instruction is faster than the same
> > instruction prefixed with another and something else at its tail?
>
> I am pretty sure that you got exactly what I meant, you likely just don't have
> the data to back it up.
>
> Proof me wrong!

Well you seem to have alrady seen the benchmarks that we ran and are
running. So I had doubts on your sincerety with this comment. Seemes to be
be just there for effect.