linux-kernel - Re: [PATCH 0/10] DMA-API debugging facility

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Message-Id: <20081122115802K.fujita.tomonori@lab.ntt.co.jp>
Date:	Sat, 22 Nov 2008 12:27:39 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	joerg.roedel@....com
Cc:	mingo@...hat.com, tglx@...utronix.de, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, iommu@...ts.linux-foundation.org
Subject: Re: [PATCH 0/10] DMA-API debugging facility

On Fri, 21 Nov 2008 17:26:00 +0100
Joerg Roedel <joerg.roedel@....com> wrote:

> Hi,
> 
> 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.

Especially? Have you met dma similar bugs with storage (scsi, etc)
drivers?


> This way driver developers get an idea where the problem is in their
> code.
> 
> Please review and send any objections or, if there are none, consider
> for inclusion ;)

This should be architecture independent code. Except for that, it
looks very useful.

Thanks,
--
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