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[Xen-devel] Re: [PATCH V2 2/3] xen: Fix the memory registration to refle

To: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH V2 2/3] xen: Fix the memory registration to reflect of what is done by Xen.
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Thu, 21 Jul 2011 12:10:10 +0100
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, QEMU-devel <qemu-devel@xxxxxxxxxx>, Alexander Graf <agraf@xxxxxxx>
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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
> 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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