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Message-ID: <c53de6bf8718f05c8e1bfcb06c8dea99c1c693ca.camel@infradead.org>
Subject: Re: [PATCH] swiotlb: Allow swiotlb to live at pre-defined address
From:   David Woodhouse <dwmw2@infradead.org>
To:     Alexander Graf <graf@amazon.com>, Christoph Hellwig <hch@lst.de>
Cc:     iommu@lists.linux-foundation.org,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        x86@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>,
        Robin Murphy <robin.murphy@arm.com>, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>,
        dwmw@amazon.com, benh@amazon.com,
        Jan Kiszka <jan.kiszka@siemens.com>, alcioa@amazon.com,
        aggh@amazon.com, aagch@amazon.com, dhr@amazon.com
Date:   Thu, 26 Mar 2020 17:16:12 +0000
In-Reply-To: <cef4f2f5-3530-82f8-c0f5-ee0c2701ce6a@amazon.com>
References: <20200326162922.27085-1-graf@amazon.com>
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         <cef4f2f5-3530-82f8-c0f5-ee0c2701ce6a@amazon.com>
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On Thu, 2020-03-26 at 18:11 +0100, Alexander Graf wrote:
> I'm with you on that sentiment, but in the environment I'm currently=20
> looking at, we have neither DT nor ACPI: The kernel gets purely=20
> configured via kernel command line. For other unenumerable artifacts on=
=20
> the system, such as virtio-mmio platform devices, that works well enough=
=20
> and also basically "hacks a kernel parameter" to specify the system layou=
t.

Well... maybe it should also feed in a DT for those too?


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