On Tue, 10 May 2022 at 13:21, Gerd Hoffmann <kra...@redhat.com> wrote: > > Hi, > > > I'm not very familiar with KVM on ARM - but is it possible to use KVM there > > with an arbitrary machine? If that's the case, a user might want to use KVM > > on their 64-bit host to run a 32-bit guest machine, and then you need to > > keep the 32-bit machines in the -aarch64 binary. > > 32-bit guest is 'qemu-system-aarch64 -machine virt -cpu host,aarch64=off' > (and a aarch64 CPU which actually supports the armv7 instructions).
It's still armv8 even when it's 32-bit :-) The requirement is AArch32 support at EL1. (Some hardware has AArch32 support at EL0 only, ie userspace but not kernel, which obviously isn't enough for 32-bit KVM guests.) -- PMM
