[libvirt] [RFC PATCH 1/2] qemu: Advertise ACPI support for aarch64 guests

[Andrea Bolognani]

On Wed, 2017-03-08 at 18:57 +0100, Laszlo Ersek wrote:
> On 03/08/17 18:12, Daniel P. Berrange wrote:
> > The scenario I was actually thinking of was direct kernel boot,
> > rather than non-AAVMF impls of UEFI.
> > 
> > IOW, where you just pass -kernel/-initrd/-dtb to QEMU and no firmware
> > file. In that case, we should report an error if <acpi/> is requested
> > in the XML IIUC.
> 
> Direct kernel boot without UEFI firmware should indeed conflict with
> <acpi/>, yes; there's no firmware to install the tables for the kernel.
> 
> Direct kernel boot with UEFI firmware should permit <acpi/>. The
> firmware starts, does its thing (including installation of ACPI tables),
> then grabs the kernel from fw_cfg, and launches it. The kernel will see
> the tables.

Gotcha. The non-RFC version of the series, which I just
posted to the list, should handle those configurations as
well.

-- 
Andrea Bolognani / Red Hat / Virtualization