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Date:   Tue, 10 Aug 2021 17:45:04 +0100
From:   Christoph Hellwig <>
To:     Lorenzo Pieralisi <>
Cc:, Ard Biesheuvel <>,
        "Rafael J. Wysocki" <>,,,
        Veronika kabatova <>,
        Robin Murphy <>,
        Will Deacon <>,
        Hanjun Guo <>,
        Sudeep Holla <>,
        Catalin Marinas <>
Subject: Re: [PATCH v2 1/3] ACPI: osl: Add __force attribute in
 acpi_os_map_iomem() cast

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.

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