Re: [PATCH v2 1/3] ACPI: osl: Add __force attribute in acpi_os_map_iomem() cast

From: Christoph Hellwig
Date: Tue Aug 10 2021 - 12:46:55 EST


On Mon, Aug 02, 2021 at 04:23:57PM +0100, Lorenzo Pieralisi wrote:
> Add a __force attribute to the void* cast in acpi_os_map_iomem()
> to prevent sparse warnings.

Err, no. These annotation are there for a reason and need to
be propagated instead. And independent of that a __force cast
without a comment explaining it is a complete no-go.