# Re: \[PATCH v2 1/3\] ACPI: osl: Add \_\_force attribute in acpi\_os\_map\_iomem() cast

- From: Christoph Hellwig \<hch@infradead.org\>
- Date: 2021-08-11 14:09:56 
- List: linux-acpi
- Page: https://ratatoskr.run/linux-acpi/2021/08/1475110
- Thread: https://ratatoskr.run/linux-acpi/2021/07/1457305/t.md

```text
On Wed, Aug 11, 2021 at 12:40:28PM +0200, Ard Biesheuvel wrote:
> The whole problem we are solving here is that ACPI, being based on
> x86, conflates MMIO mappings with memory mappings, and has been using
> the same underlying infrastructure for either.

So let's fix that problem instead of papering over it.
```