Re: [Xen-devel] [PATCH v3] xen: arm: rework placement of fdt in initial dom0 memory map

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Wed, 2013-09-18 at 16:15 +0100, Julien Grall wrote:
> On 09/17/2013 04:28 PM, Ian Campbell wrote:
> > The 32-bit Linux kernel uses its lowmem direct mapping to access the FDT. 
> > The
> > lowmem mapping is around 0.75GiB but varies depending on the kernel's 
> > .config.
> > Our current scheme of loading the FDT as high as 4GB therefore fails with
> > larger amounts of dom0 RAM.
> > 
> > The upstream documentation has recently been update to provide more guidance
> > <http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7824/1>. In
> > accordance with this load the kernel just below 128MiB (aligned to 2MB) and
> > the FDT just above, or if there is less RAM available then as high as
> > possible.
> > 
> > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>

Applied, thanks.



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