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Date: Wed, 07 Jul 2010 19:07:56 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Dan Williams <dan.j.williams@...el.com>
Cc: Chris Li <lkml@...isli.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: BUG in drivers/dma/ioat/dma_v2.c:314
On Wed, 2010-07-07 at 10:47 -0700, Dan Williams wrote:
> Chris this change will make the driver's dma mapping calls succeed which
> means we once again need to be prepared for the case where the engine's
> iommu is not configured correctly.
It ought to succeed but do nothing -- just return the physical address
as if you have no IOMMU (which for this device you don't).
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@...el.com Intel Corporation
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