On Fri, Oct 08, 2021 at 01:04:24PM -0500, Brijesh Singh wrote: > The SEV-SNP guest is required to perform GHCB GPA registration. This is Let's write that out and make this more readable for outsiders too: "... is required by the GHCB spec to register the GHCB's Guest Physical Address (GPA)." > because the hypervisor may prefer that a guest use a consistent and/or > specific GPA for the GHCB associated with a vCPU. For more information, > see the GHCB specification. Giving a section in that spec would be helpful. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette