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

[Shannon Zhao <shannon.zhao@xxxxxxxxxx>]

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

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