[Xen-devel] Re: [PATCH V2 2/3] xen: Fix the memory registration to reflect of what is done by Xen.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 20 Jul 2011, Anthony PERARD wrote:
> A Xen guest memory is allocated by libxc. But this memory is not
> allocated continuously, instead, it leaves the VGA IO memory space not
> allocated, same for the MMIO space (at HVM_BELOW_4G_MMIO_START of size
> HVM_BELOW_4G_MMIO_LENGTH).
> 
> So to reflect that, we do not register the physical memory for this two
> holes. But we still keep only one RAMBlock for the all RAM as it is more
> easier than have two separate blocks (1 above 4G). Also this prevent QEMU
> from use the MMIO space for a ROM.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>


Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>



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