On Wed, Feb 07, 2024, Xin Li wrote: > Allow FRED/LKGS/WRMSRNS to be exposed to guests, thus a guest OS could see > these features when the guest is configured with FRED/LKGS/WRMSRNS in Qemu. (a) please describe what these features are, and (b) one patch per feature unless they _must_ be bundled together, in which case there needs to be code to enforce that. > A qemu patch is required to expose FRED/LKGS/WRMSRNS to KVM guests. Omit this, QEMU is not the only VMM that uses KVM.