Re: [PATCH 1/2] vfio: Make vfio-pci available on 64-bit host platforms only

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 3/3/25 17:57, Peter Maydell wrote:
> On Mon, 3 Mar 2025 at 15:49, Cédric Le Goater <clg@redhat.com> wrote:
>> Why are we keeping qemu-system-ppc and qemu-system-i386, and arm,
>> since qemu-system-ppc64 and qemu-system-x86_64 should be able to
>> run the same machines ?
> 
> They're not identical -- for example "-cpu max" on
> qemu-system-arm is a 32-bit CPU but on qemu-system-aarch64
> it is a 64-bit CPU.
> 
> There's definitely a lot of overlap but we can't just drop
> the -arm executable until/unless we figure out what to do
> about the corner cases where they are different. Plus there's
> a lot of users out there with existing command lines and
> configs that assume the existence of a qemu-system-arm
> executable.

Thomas and myself have been trying to sort that out. Now with the
single-binary effort, it gained new interest. This hasn't be a trivial
task so far, due to as you mentioned the legacy CLI uses and migration.

This is however in my priority list and Alex asked to have a single
qemu-system-aarch64 binary for ARM/Aarch64 for the 11.0 release.