* Peter Maydell ([email protected]) wrote: > On 27 June 2018 at 09:52, Gerd Hoffmann <[email protected]> wrote: > > Hi, > > > >> > Is QEMU still useful on 32-bit hosts? Honest question! > >> > >> I guess it depends on what 32-bit hosts you consider. If you look at only > >> x86 vs. x86_64 then probably x86 is not that important any more but for > >> some > >> embedded systems/SoCs 32bit might still be common and QEMU useful for those > >> (also as host not only emulated). > > I would generally agree with this. For x86 32-bit is probably > droppable, but for non-x86 the situation is much less clear. > > > Well. I've used kvm with an 32bit arm soc (cubietruck). It's very > > slow. And all the arm architecture improvements to support kvm better > > are for aarch64 only. > > Cubietruck (a Cortex-A7) is a pretty slow 32-bit Arm core. > > Ask again in a couple of years :-)
How about dropping support for 32 bit hosts that don't have 64bit atomics? That should be a much smaller set. Dave > thanks > -- PMM > -- Dr. David Alan Gilbert / [email protected] / Manchester, UK
