Re: [Qemu-devel] [PATCH v7 0/3] machvirt dynamic sysbus device instantiation

[Alexander Graf <agraf@suse.de>]

On 16.12.14 11:42, Eric Auger wrote:
> This patch series enables machvirt to dynamically instantiate sysbus
> devices from command line (using -device option).
> 
> All those sysbus devices are plugged onto a platform bus. This latter
> device is instantiated in machvirt and takes care of the binding of
> children sysbus devices on a machine init done notifier. The device
> tree node generation for children dynamic sysbus device also happens
> on a subsequent notifier that must be executed after the above one.
> machvirt registers that notifier before the platform bus creation to
> make sure notifiers are executed in the right order: dt generation after
> actual QOM binding.
> 
> Very few sysbus devices are supposed to be instantiated that
> way. VFIO devices belong to them.
> 
> Node creation really is architecture specific. On ARM the dynamic
> sysbus device node creation is implemented in a new C module,
> hw/arm/sysbus-fdt.c and not in the machine file.
> 
> Machvirt transformations and sysbus-fdt are largely inspired from Alex work.
> 
> The patch series can be found at:
> http://git.linaro.org/people/eric.auger/qemu.git
> branch official_dynsysbus_v7

Reviewed-by: Alexander Graf <agraf@suse.de>


Alex