Re: [PATCH for-4.19 v2] docs/arm: Document where Xen should be loaded in memory

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 24 Oct 2023, Bertrand Marquis wrote:
> Hi Julien,
> 
> > On 24 Oct 2023, at 12:28, Julien Grall <julien@xxxxxxx> wrote:
> > 
> > From: Julien Grall <jgrall@xxxxxxxxxx>
> > 
> > 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.yan@xxxxxxxxxx
> > 
> > Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
> > Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
> 
> Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>

Added for for-4.19


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