On Tue, 24 Oct 2023, Bertrand Marquis wrote:
> Hi Julien,
>
> > On 24 Oct 2023, at 12:28, Julien Grall <jul...@xen.org> wrote:
> >
> > From: Julien Grall <jgr...@amazon.com>
> >
> > In commit 9d267c049d92 ("xen/arm64: Rework the memory layout"),
> > we decided to require Xen to be loaded below 2 TiB to simplify
> > the logic to enable the MMU. The limit was decided based on
> > how known platform boot plus some slack.
> >
> > We had a recent report that this is not sufficient on the AVA
> > platform with a old firmware [1]. But the restriction is not
> > going to change in Xen 4.18. So document the limit clearly
> > in docs/misc/arm/booting.txt.
> >
> > [1] https://lore.kernel.org/20231013122658.1270506-3-leo....@linaro.org
> >
> > Signed-off-by: Julien Grall <jgr...@amazon.com>
> > Reviewed-by: Michal Orzel <michal.or...@amd.com>
>
> Reviewed-by: Bertrand Marquis <bertrand.marq...@arm.com>
Added for for-4.19
