linux-kernel - Re: [PATCH 00/34] AMD IOMMU driver

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Message-Id: <200806262302.04412.rjw@sisk.pl>
Date:	Thu, 26 Jun 2008 23:02:03 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	tglx@...utronix.de, mingo@...hat.com, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org, bhavna.sarathy@....com,
	Sebastian.Biemueller@....com, robert.richter@....com,
	joro@...tes.org
Subject: Re: [PATCH 00/34] AMD IOMMU driver

On Thursday, 26 of June 2008, Joerg Roedel wrote:
> On Thu, Jun 26, 2008 at 10:37:14PM +0200, Rafael J. Wysocki wrote:
> > On Thursday, 26 of June 2008, Joerg Roedel wrote:
> > > Hi,
> > 
> > Hi,
> > 
> > > this is the first post of the initial driver for AMD IOMMU hardware. The driver
> > > is tested on hardware with various loads (disk and network) and showed no
> > > problems.
> > > 
> > > It currently supports DMA remapping using the dma_ops API in the x86
> > > architecture code. It also supports isolation of device DMA address spaces as
> > > far as the hardware allows that (means each device can get its own DMA address
> > > space and can't access the DMA memory of other devices).
> > > 
> > > Please give this code a good review and send me your comments about it so that
> > > I can fix all possible bugs and objections and move this driver forward to
> > > merging quality.
> > 
> > Do you implement suspend/resume callbacks for the IOMMU and if so, which patch
> > in the series does introduce them?
> 
> No, These callbacks are not implemented yet. But I plan to do so in a
> later version.

OK, thanks.

Rafael
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