Messages in this thread | | | Date | Mon, 21 Nov 2022 22:48:36 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 4/6] x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests |
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On Mon, Nov 21, 2022 at 01:01:45PM -0800, Dave Hansen wrote: > On 11/21/22 11:51, Dexuan Cui wrote: > > + switch (hv_get_isolation_type()) { > > + case HV_ISOLATION_TYPE_VBS: > > + case HV_ISOLATION_TYPE_SNP: > > cc_set_vendor(CC_VENDOR_HYPERV); > > + break; > > + > > + case HV_ISOLATION_TYPE_TDX: > > + static_branch_enable(&isolation_type_tdx); > > + break; > > This makes zero logical sense to me. > > Running on Hyper-V, a HV_ISOLATION_TYPE_SNP is CC_VENDOR_HYPERV, but a > HV_ISOLATION_TYPE_TDX guest is *NOT* CC_VENDOR_HYPERV?
https://lore.kernel.org/r/Y3uTK3rBV6eXSJnC@zn.tnic
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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