Messages in this thread | | | Date | Fri, 31 Dec 2021 18:19:35 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 07/26] x86/tdx: Handle CPUID via #VE |
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On Tue, Dec 14, 2021 at 06:02:45PM +0300, Kirill A. Shutemov wrote: > In TDX guests, most CPUID leaf/sub-leaf combinations are virtualized > by the TDX module while some trigger #VE. > > Implement the #VE handling for EXIT_REASON_CPUID by handing it through > the hypercall, which in turn lets the TDX module handle it by invoking > the host VMM. > > More details on CPUID Virtualization can be found in the TDX module > specification [1], the section titled "CPUID Virtualization".
The exact name and section should be enough to find the spec document because...
> > [1] - https://software.intel.com/content/dam/develop/external/us/en/documents/tdx-module-1.0-public-spec-v0.931.pdf
... those links are never stable and become stale eventually. Just save yourself the effort of adding them to commit messages.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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