Re: [Xen-devel] [RFC 21/24] xen/arm: vexpress: Blacklist a list of board specific devices

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-08-22 at 16:28 +0100, Julien Grall wrote:
> > I think in this case we probably want to create a 1:1 mapping of the
> > video ram? In case e.g. the firmware has setup attributes, or the LCD
> > cannot use a different address etc...
> 
> Do we need to take into account in the dom0 memory?
> 
> For example, the amount of video RAM memory is 6Mb and the DOM0 memory
> is 256Mb.
> 
> Does Xen must allocate?
>       - 6Mb of 1:1 mapping
>         - 250Mb of domain allocate page

Could do it either way. I'd be inclined to count the framebuffer as
being in addition to dom0's actual allocation.

Ian.


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