Re: Status of Intel Hybrid CPU support (Alder Lake/Raptor Lake) support

Reply: Chen, Alvin W: "RE: Status of Intel Hybrid CPU support (Alder Lake/Raptor Lake) support"
In reply to: Chen, Alvin W: "Status of Intel Hybrid CPU support (Alder Lake/Raptor Lake) support"
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From: Mike Karels <mike_at_karels.net>
Date: Thu, 27 Oct 2022 15:16:59 UTC

On 26 Oct 2022, at 22:29, Chen, Alvin W wrote:

> Any body know the status to support P Core and E Core?
> Now WA is: disable PCID.

Disabling vm.pmap.pcid_enabled is the best workaround for now.
There has been some progress in investigations in the background, but I
don’t think there is a permanent solution yet.

btw, I haven’t heard reports about Raptor Lake yet.  Do you know if it has
the same problems as Alder Lake on hybrids?  I would guess it does.

		Mike
>
> Regards,
> Alvin Chen
> Dell ThinOS | Dell - Comercial Client Group
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