Re: [PATCH v7 06/20] x86/virt/tdx: Shut down TDX module in case of error

[Dave Hansen]

On 11/22/22 16:58, Huang, Kai wrote:
> On Tue, 2022-11-22 at 11:24 -0800, Dave Hansen wrote:
>>> I was expecting TDX to not get initialized until the first TDX using KVM
>>> instance is created. Am I wrong?
>> I went looking for it in this series to prove you wrong.  I failed.  😄
>>
>> tdx_enable() is buried in here somewhere:
>>
>>> https://lore.kernel.org/lkml/CAAhR5DFrwP+5K8MOxz5YK7jYShhaK4A+2h1Pi31U_9+Z+cz-0A@xxxxxxxxxxxxxx/T/
>> I don't have the patience to dig it out today, so I guess we'll have Kai
>> tell us.
> It will be done when KVM module is loaded, but not when the first TDX guest is
> created.

Why is it done that way?

Can it be changed to delay TDX initialization until the first TDX guest
needs to run?