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

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On Tue, 2022-06-28 at 22:33 -0700, Christoph Hellwig wrote:
> 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.
> 

Thanks for feedback.  I thought there might be similar technologies and it would
be better to have a common attribute.  I'll give up this approach and change to
use arch-specific check.

-- 
Thanks,
-Kai






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