Re: [PATCH 4/6] x86/hyperv: Add hv_isolation_type_tdx() to detect TDX guests
From: Dave Hansen <hidden>
Date: 2022-11-21 21:01:57
Also in:
linux-arch, lkml
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?