Re: [Xen-devel] [PATCH 06/13] Xen: ARM: Add support for mapping amba device mmio

[Shannon Zhao <shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

On 2015/11/18 20:27, Julien Grall wrote:
> On 18/11/15 06:03, Shannon Zhao wrote:
>>>
>>> What about the removal of a bus device? No need to handle that?
>>>
>> I have thought about removal before. I think there is little(or no)
>> chance for AMBA and platform bus devices to be removed. It's not like
>> the PCI devices which will be hot-unplug.
>> Maybe I'm not right. If so, it's fine to add a case to handle the removal.
>
> What about the platform device passthrough case?
>
No, it will add the platform passthrough device at booting step while 
it's only removed when Dom0 shutdowns unless it supports platform device 
hot-unplug.

> In anycase, if the AMBA platform provides a removal method, there is
> harmless to implement it.
>
Sure, as you said, it's harmless to add.

Thanks,
-- 
Shannon