Re: [PATCH v3] ACPI/IORT: Remove erroneous id_count check in iort_node_get_rmr_info()

From: Catalin Marinas
Date: Fri Jul 28 2023 - 09:55:26 EST


On Mon, 17 Jul 2023 19:33:45 +0800, Guanghui Feng wrote:
> According to the ARM IORT specifications DEN 0049 issue E,
> the "Number of IDs" field in the ID mapping format reports
> the number of IDs in the mapping range minus one.
>
> In iort_node_get_rmr_info(), we erroneously skip ID mappings
> whose "Number of IDs" equal to 0, resulting in valid mapping
> nodes with a single ID to map being skipped, which is wrong.
>
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] ACPI/IORT: Remove erroneous id_count check in iort_node_get_rmr_info()
https://git.kernel.org/arm64/c/003e6b56d780

--
Catalin