Messages in this thread | | | From | "Huang, Kai" <> | Subject | Re: [PATCH v3 10/12] x86/virt/tdx: Wire up basic SEAMCALL functions | Date | Mon, 7 Aug 2023 23:51:01 +0000 |
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On Mon, 2023-08-07 at 07:30 -0700, Sean Christopherson wrote: > On Mon, Aug 07, 2023, Kai Huang wrote: > > > > > > > > > > +config INTEL_TDX_HOST > > > > + bool "Intel Trust Domain Extensions (TDX) host support" > > > > + depends on CPU_SUP_INTEL > > > > + depends on X86_64 > > > > + depends on KVM_INTEL > > > > > > Hm. I expected KVM_INTEL to depend on CPU_SUP_INTEL, but apparently no. > > > Any reasons why? > > > > Hmm.. Not sure :-) > > Centuar and Zhaoxin CPUs also support VMX. > > commit 8f63aaf5c493c6502a058585cdfa3c71cdf8c44a > Author: Sean Christopherson <seanjc@google.com> > Date: Fri Dec 20 20:45:13 2019 -0800 > > KVM: VMX: Allow KVM_INTEL when building for Centaur and/or Zhaoxin CPUs > > Change the dependency for KVM_INTEL, i.e. KVM w/ VMX, from Intel CPUs to > any CPU that supports the IA32_FEAT_CTL MSR and thus VMX functionality. > This effectively allows building KVM_INTEL for Centaur and Zhaoxin CPUs. >
Ah. Thanks Sean!
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