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Re: [Xen-devel] [PATCH v5 19/19] libxl: build a device tree for ARM guests

On Thu, 14 Nov 2013, Ian Jackson wrote:
> Ian Campbell writes ("[PATCH v5 19/19] libxl: build a device tree for ARM 
> guests"):
> > Uses xc_dom_devicetree_mem which was just added. The call to this needs to 
> > be
> > carefully sequenced to be after xc_dom_parse_image (so we can tell which 
> > kind
> > of guest we are building, although we don't use this yet) and before
> > xc_dom_mem_init which tries to decide where to place the FDT in guest RAM.
> > 
> > Removes libxl_noarch which would only have been used by IA64 after this
> > change. Remove IA64 as part of this patch.
> > 
> > There is no attempt to expose this as a configuration setting for the user.
> > 
> > Includes a debug hook to dump the dtb to a file for inspection.
> Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > TODO:
> > - v7 CPU compat is hardcoded to cortex-a15 -- may need to define something 
> > more
> >   generic via mach-virt dt bindngs?
> I don't have an opinion on this.  I hope someone else does :-).

Wouldn't it be better to use the same cpu compatibility string of the
platform? After all it's the physical cpu that we are time slicing for
the guest: if any quirks are present, it is likely that they are going
to affect the guest too.

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