The matching kernel bits are here: https://lore.kernel.org/kvm/20240313125844.912415-1-kraxel@xxxxxxxxxx/T/ ovmf test patches are here: https://github.com/kraxel/edk2/commits/devel/guest-phys-bits/ Gerd Hoffmann (3): [debug] log kvm supported cpuid kvm: add support for guest physical bits target/i386: add guest-phys-bits cpu property target/i386/cpu.h | 1 + target/i386/cpu.c | 14 ++++++++++++++ target/i386/kvm/kvm-cpu.c | 32 +++++++++++++++++++++++++++++++- target/i386/kvm/kvm.c | 14 ++++++++++++++ 4 files changed, 60 insertions(+), 1 deletion(-) -- 2.44.0