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?