Joelle is correct, M3 and newer SoCs have support for the EL2 APIs. -Danny
> On Jul 15, 2025, at 8:53 AM, Joelle van Dyne <j...@getutm.app> wrote: > > UTM currently supports NV only with the Apple Virtualization backend, > not QEMU HVF. While M2 supports NV, it is not enabled by XNU kernel > and `hv_vm_config_get_el2_supported` returns false. I heard there was > some compatibility issue in the hardware. M3 and newer generations > fully support NV in hardware and by XNU. > > On Tue, Jul 15, 2025 at 4:51 AM Marc Zyngier <m...@kernel.org> wrote: >> >> On Tue, 15 Jul 2025 12:15:52 +0100, >> Alex Bennée <alex.ben...@linaro.org> wrote: >> >>> - do we know which Apple silicon supports FEAT_NV2? >> >> M2 and latter definitely support FEAT_NV2. That's how KVM NV support >> has been developed for two years until I was given better HW. >> >> Whether Apple supports NV on M2 in HVF, I have no idea. The rumour >> mill says "no", but I don't have a way to check. The M3 I use at $WORK >> is definitely able to give me EL2 without VHE with UTM. I haven't >> played with M4, but I have it on the record that it behaves like M3 >> with UTM. >> >> M. >> >> -- >> Without deviation from the norm, progress is not possible.
