Re: [Qemu-devel] [PULL 00/30] ppc-for-2.12 queue 20180306

["Daniel P. Berrangé" <berrange@redhat.com>]

On Tue, Mar 06, 2018 at 05:56:03PM +0000, Mark Cave-Ayland wrote:
> On 06/03/18 17:47, Thomas Huth wrote:
> 
> > > It seems that the error is being raised when setting the property rather
> > > than during realize so I'm not sure what I can do to handle this. Any
> > > thoughts?
> > 
> > Does the device need to be hot-pluggable or even user_creatable at all?
> > It seems like it is also using serial_hds[] directly, so that is a good
> > indication that it is *not* user creatable. So maybe the easiest fix is
> > to simply set
> > 
> > 	dc->user_creatable = false;
> > 
> > in macio_class_init() ?
> 
> (Added Daniel to CC)
> 
> I believe it should fail anyhow during realize because both macio devices
> (newworld and oldworld) requires an object link to the PIC which won't be
> set when using device_add via the monitor as in your example.
> 
> But it still doesn't quite feel right that just setting a property value
> should abort() immediately. Daniel, any thoughts?

Setting user_creatable = false is important, as that flag is used to filter
the list of permitted devices when doing monitor readline completion for
'device_add' and when printing available devices with '-device ?'


Regards,
Daniel
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