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Message-ID: <20210816095854.GA2599@lpieralisi>
Date:   Mon, 16 Aug 2021 10:58:54 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Ard Biesheuvel <ardb@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Veronika kabatova <vkabatov@...hat.com>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will@...nel.org>,
        Hanjun Guo <guohanjun@...wei.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Catalin Marinas <catalin.marinas@....com>
Subject: Re: [PATCH v2 1/3] ACPI: osl: Add __force attribute in
 acpi_os_map_iomem() cast

On Wed, Aug 11, 2021 at 03:55:08PM +0100, Lorenzo Pieralisi wrote:
> On Wed, Aug 11, 2021 at 03:08:24PM +0100, Christoph Hellwig wrote:
> > 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.
> 
> Patch (3) in this series is a fix - I would ask whether it makes
> sense to merge patches (2-3) now and think about reworking the current
> ACPI IO/MEM mapping API later, it can be an invasive change for a fix,
> assuming we agree on how to rework the ACPI IO/MEM mapping API.

What should we do then with this series ?

Thanks,
Lorenzo

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