Re: [PATCH v5 02/22] cc_platform: Add new attribute to prevent ACPI CPU hotplug

From: Christoph Hellwig
Date: Wed Jun 29 2022 - 01:33:47 EST


On Wed, Jun 22, 2022 at 11:15:43PM +1200, Kai Huang wrote:
> Platforms with confidential computing technology may not support ACPI
> CPU hotplug when such technology is enabled by the BIOS. Examples
> include Intel platforms which support Intel Trust Domain Extensions
> (TDX).

What does this have to to wit hthe cc_platform abstraction? This is
just an intel implementation bug because they hastended so much into
implementing this. So the quirks should not overload the cc_platform
abstraction.