Re: [PATCH] ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel systems

On 9/22/22 2:01 PM, Dave Hansen wrote:

On 9/22/22 11:53, Rafael J. Wysocki wrote:

...

Acked-by: Rafael J. Wysocki rafael.j.wysocki@intel.com

or do you want me to pick this up?

I'll just stick it in x86/urgent.

It's modifying code in a x86 #ifdef. I'll call it a small enclave of sovereign x86 territory in ACPI land, just like an embassy. ;)

Can it be cc:stable@vger.kernel.org, since it applies cleanly as far back as this v5.4 commit?:

commit fa583f71a99c85e52781ed877c82c8757437b680

Author: Yin Fengwei fengwei.yin@intel.com

Date: Thu Oct 24 15:04:20 2019 +0800

ACPI: processor_idle: Skip dummy wait if kernel is in guest

Thanks,

Kim