linux-kernel - Re: [PATCH] pci: add missing _

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Message-ID: <20170720080742.GA22116@infradead.org>
Date:   Thu, 20 Jul 2017 01:07:42 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Carlos Palminha <CARLOS.PALMINHA@...opsys.com>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        bhelgaas@...gle.com, gwshan@...ux.vnet.ibm.com
Subject: Re: [PATCH] pci: add missing __iomem cast

On Wed, Jul 19, 2017 at 01:05:35PM +0100, Carlos Palminha wrote:
> Add missing __iomem annotation to fix sparse warning:
> - incorrect type in return expression (different address spaces)

How is this going to shut up sparse without a __force?

And once you add the __force please also add a comment explaining
why it's safe.