Re: [Qemu-devel] -vga std vs. -device VGA

[Alexander Graf]

On 14.11.2013, at 15:28, Benjamin Herrenschmidt <address@hidden> wrote:

> On Thu, 2013-11-14 at 08:04 -0500, Alexander Graf wrote:
>> 2) -nodefaults
>> 
>> This mode is meant to pass full control to a management stack which
>> wants to implement its own cleverness. The less QEMU tries to be
>> smart, the more consistent we are in our interface. This mode really
>> is meant as to tell QEMU to allow you to shoot yourself in the foot.
>> 
>> So in this case, the proper fix is to add the logic to libvirt. It
>> asks for a machine without cleverness applied, so it needs to do all
>> of the magic itself. It already does this for the mouse btw
>> (-usbdevice tablet) to allow for an absolute pointer. It's only
>> sensible to ask them to do the keyboard too. In this case, x86 is the
>> inconsistent platform.
> 
> I knew you were going to answer that :-)
> 
> Note that this is inconsistent with x86 which always create a number
> of devices with -nodefaults ... such as a keyboard controller.

Yes. But I think it's the correct thing to do in this case. X86 also doesn't 
create a USB controller like we would have to. Our pseries platform just 
doesn't have a legacy PC/AT keyboard controller.


Alex