Re: Configuration vs. compat hints [was Re: [Qemu-devel] [PATCHv3 03/13] qemu: add routines to manage PCI capabilities]

[Avi Kivity]

On 06/14/2009 12:47 PM, Michael S. Tsirkin wrote:
> Michael S. Tsirkin wrote:
> > > If we want to remove a device from under a running guest, you need
> > > hotplug. So we can't just remove several lines from the config and hope
> > > that it'll work simply because the PCI address is stable.
> > >
> > >        
> > Why not?
> >      
>
> E.g. configuration cycles address a specific bus/slot.
> You need cooperation from guest if you want to move
> a device.
>    

By "remove several lines from the config" I understood the guest needs 
to be restarted.  Of course if you don't restart the guest you need true 
hotplug.

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