xen: arm: Do not use level 0 section mappings in boot page tables.
Level 0 does not support superpage mappings, meaning that systems on where Xen
is loaded above 512GB (I'm not aware of any such systems) the 1:1 mapping on
the boot page tables is invalid.
In order to avoid this issue we need an additional first level page table
mapped by the appropriate L0 slot and containing a 1:1 superpage mapping.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
projects / xen.git / commit