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From: David Woodhouse <dwmw2@infradead.org>
To: Alexander Graf <graf@amazon.com>, Christoph Hellwig <hch@lst.de>
Cc: Mark Rutland <mark.rutland@arm.com>,
	benh@amazon.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	linux-doc@vger.kernel.org, Jan Kiszka <jan.kiszka@siemens.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org, alcioa@amazon.com,
	iommu@lists.linux-foundation.org, aagch@amazon.com,
	dhr@amazon.com, dwmw@amazon.com,
	Robin Murphy <robin.murphy@arm.com>,
	aggh@amazon.com
Subject: Re: [PATCH] swiotlb: Allow swiotlb to live at pre-defined address
Date: Thu, 26 Mar 2020 17:16:12 +0000
Message-ID: <c53de6bf8718f05c8e1bfcb06c8dea99c1c693ca.camel@infradead.org> (raw)
In-Reply-To: <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 
> looking at, we have neither DT nor ACPI: The kernel gets purely 
> configured via kernel command line. For other unenumerable artifacts on 
> the system, such as virtio-mmio platform devices, that works well enough 
> and also basically "hacks a kernel parameter" to specify the system layout.

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


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Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26 16:29 Alexander Graf via iommu
2020-03-26 17:05 ` Christoph Hellwig
2020-03-26 17:11   ` Alexander Graf via iommu
2020-03-26 17:16     ` David Woodhouse [this message]
2020-03-30 13:24     ` Mark Rutland
2020-03-27  9:58 ` Jan Kiszka
2020-03-28 11:57 ` Dave Young
2020-03-30  6:06   ` Kairui Song
2020-03-30 13:40     ` Konrad Rzeszutek Wilk
2020-03-30 20:42       ` Alexander Graf via iommu
2020-03-30 23:37         ` Anthony Yznaga
2020-03-31  1:59         ` Dave Young
2020-03-31  2:16         ` Baoquan He
2020-03-31  1:46       ` Dave Young

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