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Re: [Xen-devel] fbfront

To: Keir Fraser <keir@xxxxxxxxxxxxx>
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Tue, 24 Jul 2007 16:57:43 +0100
Cc: Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 24 Jul 2007 09:06:13 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On Tue, 2007-07-24 at 16:42 +0100, Keir Fraser wrote:
> The framebuffer device exported by qemu-dm seems to do the job perfectly
> well for HVM guests.

For PV guests the backport is hampered by zap_page_range() not being
exported on any released kernels and being too big and complex for a
sane compat layer.

Someone from RH suggested ages ago that fbfront could be changed to use
unmap_mapping_range() instead but I haven't heard anything more since.

Ian.

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