On Wed, Sep 21, 2022 at 05:00:35PM +0200, Peter Zijlstra wrote:
> On Wed, Sep 21, 2022 at 12:06:38PM +0530, K Prateek Nayak wrote:
> > Processors based on the Zen microarchitecture support IOPORT based deeper
> > C-states.
>
> I've just gotta ask; why the heck are you using IO port based idle
> states in 2022 ?!?! You have have MWAIT, right?
They have both. And both is Intel technology. And as I'm sure you
know AMD can't do their own thing - they kinda have to follow Intel.
Unfortunately.
Are you saying modern Intel chipsets don't do IO-based C-states anymore?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
