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

Mark Rutland mark.rutland at arm.com
Wed Aug 5 07:48:14 PDT 2026


On Tue, Aug 04, 2026 at 03:35:22PM -0700, Christoph Lameter (Ampere) wrote:
> 
> > That's really all we are asking for. If there is a measurable performance
> > difference, great. Share the results or point us at them if we missed them.
> 
> Scanning over the patchset: It seems that you are using a special
> instruction that is unfamiliar to me. Which processors support that?

Which patch and which instruction are you referring to? There is no
information to go on here.

Asking on that specific patch would be helpful.

Mark.



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