On Wed, 2017-03-08 at 16:00 +0000, Daniel P. Berrange wrote: > > So far, libvirt has assumed that only x86 supports ACPI, > > but that's inaccurate since aarch64 supports it too. > > IIUC, it only supports ACPI if using the AAVMF firmware, right ? My current understanding is that ACPI on aarch64 requires UEFI, not necessarily AAVMF. I'll admit I haven't really considered other QEMU-compatible UEFI implementations, though, assuming they exist. Laszlo? :) > I know that is the preferred firmware for aarch64, but IIUC it is > not a hard requirement by QEMU. So even if we advertize it in the > capabilities, we might need to still validate during CLI building > that we're actually using AAVMF firmware. We currently require that ACPI is available when using UEFI, even though as mentioned above I believe it should really be the other way around. In any case, how would we validate that the pflash file we're passing to QEMU does indeed contain AAVMF? -- Andrea Bolognani / Red Hat / Virtualization -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list