[PATCH 1/2] lmb: Avoid to add identical region in lmb_add_region_flags()

[Francesco Dolcini]

Hello Patrice,

On Mon, Mar 11, 2024 at 03:39:17PM +0100, Patrice Chotard wrote:
> In case lmb_add_region_flags() is called with the same parameter than
> an already existing lmb and this lmb is adjacent to its previous lmb with
> different flag, this lmb is added again.

Is this

On Mon, Mar 11, 2024 at 03:39:18PM +0100, Patrice Chotard wrote:
> In case a new region is adjacent to a previous region with
> similar flag, this region is merged with its predecessor, but no
> check are done if this new added region is overlapping another region
> present in lmb (see reserved[3] which overlaps reserved[4]).

or this, related to some

ERROR: reserving fdt memory region failed

message in your opinion?

More details in https://lore.kernel.org/all/fe9431c5-6806-1b7a-f9f4-dbe97ee13bba@toradex.com/

Francesco