linux-kernel - Re: [PATCH 0/4] iommu: iommu

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Date:	Fri, 21 Oct 2011 22:39:59 +0000
From:	"Woodhouse, David" <david.woodhouse@...el.com>
To:	Alex Williamson <alex.williamson@...hat.com>
CC:	"joerg.roedel@....com" <joerg.roedel@....com>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"chrisw@...hat.com" <chrisw@...hat.com>,
	"agraf@...e.de" <agraf@...e.de>,
	"dwg@....ibm.com" <dwg@....ibm.com>,
	"scottwood@...escale.com" <scottwood@...escale.com>,
	"B08248@...escale.com" <B08248@...escale.com>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>
Subject: Re: [PATCH 0/4] iommu: iommu_ops group interface

On Fri, 2011-10-21 at 15:16 -0600, Alex Williamson wrote:
> 
> 
> drivers/pci/quirks.c: int pci_iommu_group_mf_quirk(struct pci_dev *)
> 
> That's used just like iommu_group_mf to always blacklist specific
> devices.  Let me know VID/DID if you have them.  Thanks, 

Don't remember the ID offhand, but there are reports in Red Hat bugzilla
of Ricoh multifunction devices on some (HP, I think) laptops which cause
streams of DMA errors unless the sdhci driver is blacklisted...

-- 
                   Sent with MeeGo's ActiveSync support.

David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation



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