Re: [PATCH] tpm: crb: handle ACPI NVS memory region overlap

[Jarkko Sakkinen]

On Thu, Aug 27, 2026 at 11:55:11AM +0800, microfish wrote:
> On certain Lenovo/AMD systems, the BIOS declares an ACPI NVS region
> that covers a large memory range (e.g. 0xccc40000-0xccd3efff) which
> includes the TPM CRB MMIO area (0xccd35000-0xccd38fff). The E820
> subsystem registers this NVS region with IORESOURCE_BUSY in the
> iomem_resource tree.

Cannot and will not move forward given undefined and open set of gear.

There was also a corrupted email address in the CC list (microfish at
kernel dot org).

BR, Jarkko