Re: [Xen-devel] [Qemu-devel] [PATCH] Citrix PV Bus device

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

Il 02/07/2013 12:57, Paul Durrant ha scritto:
>>> So the reason to place the device here is TARGET_PAGE_SIZE...
>>> We really need a way to access that value from common code,
>>> somewhere down my TODO list. :/
>> 
>> Why does it need to be in pages rather than bytes?
> 
> It doesn't necessarily need to be in pages; it's just a more
> convenient quantity than bytes. Since it needs to be a power of 2 I
> could perhaps use an 'order' parameter instead?

I would just use bytes, the power-of-2 requirement can be checked in the
init function (actually it would just be caught by pci_register_bar).

Paolo

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