[libvirt] [PATCH v2 1/2] Add pcihole64 attribute to root PCI controllers

[Daniel P. Berrange]

On Tue, Aug 13, 2013 at 10:51:04AM +0200, Ján Tomko wrote:
> <controller type='pci' index='0' model='pci-root' pcihole64='1'/>
> 
> It can be used to adjust (or disable) the size of the 64-bit
> PCI hole. The size attribute is in gigabytes, since it would
> get rounded up to nearest GB by QEMU anyway.

Choosing the units based on what one specific hypervisor happens to
currently do has proven to be a pretty bad idea in the past. I'd say
we should be using KB here. Or better yet, have this as a separate
child element, and then support a 'units' attribute at the same time,
defaulting to KB. 

Daniel
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