Re: [PATCH v1 08/40] i386/tdx: Adjust the supported CPUID based on TDX restrictions

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  Hi,

> between VMM and TDs. Adjust supported CPUID for TDs based on TDX
> restrictions.

Automatic adjustment depending on hardware capabilities isn't going to
fly long-term, you'll run into compatibility problems sooner or later,
for example when different hardware with diverging capabilities (first
vs. second TDX generation) leads to different CPUID capsets in a
otherwise identical configuration.

Verification should happen of course, but I think qemu should just throw
an error in case the tdx can't support a given cpu configuration.

(see also Daniels reply to the cover letter).

take care,
  Gerd




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