Subject: Re: [PATCH 0/10] DMA-API debugging facility
From: David Woodhouse <dwmw2@infradead.org>
To: Joerg Roedel <joerg.roedel@amd.com>
Cc: Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
       netdev@vger.kernel.org, iommu@lists.linux-foundation.org,
       linux-kernel@vger.kernel.org
In-Reply-To: <1227284770-19215-1-git-send-email-joerg.roedel@amd.com>
References: <1227284770-19215-1-git-send-email-joerg.roedel@amd.com>
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Date: Fri, 21 Nov 2008 16:54:52 +0000
Message-Id: <1227286492.4901.208.camel@macbook.infradead.org>
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On Fri, 2008-11-21 at 17:26 +0100, Joerg Roedel wrote:
> this patchset introduces code to debug drivers usage of the DMA-API.
> Tests with hardware IOMMUs have shown several bugs in drivers
> regarding the usage of that API.
> Problems were found especially in network card drivers.

This is really useful -- but surely it shouldn't be x86-specific?

All the code except the hooks in the architecture's dma_map_single() et
al functions could be generic, couldn't it?

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@intel.com                              Intel Corporation

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