[PATCH v8 00/11] Enable haltpoll on arm64

Ankur Arora ankur.a.arora at oracle.com
Tue Nov 5 10:49:03 PST 2024


Haris Okanovic <harisokn at amazon.com> writes:

> Hi Ankur, Catalin,
>
> How about the following series based on a refactor of arm64's delay()?
> Does it address your earlier concerns?
>
> delay() already implements wfet() and falls back to wfe() w/ evstream
> or a cpu_relax loop. I refactored it to poll an address, and wrapped in
> a new platform-agnostic smp_vcond_load_relaxed() macro. More details in
> the following commit log.

Haven't looked at your series too closely but it looks quite a bit
different from the version I was working on.

Let me send out my version as well in the next few days.

--
ankur



More information about the linux-arm-kernel mailing list