Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [Intel IOMMU][patch 8/8] Preserve some Virtual Address when devices cannot address entire range. | Date | Wed, 25 Apr 2007 00:03:57 +0200 |
| |
On Tuesday 24 April 2007 23:50:26 David Miller wrote: > From: Ashok Raj <ashok.raj@intel.com> > Date: Tue, 24 Apr 2007 14:38:35 -0700 > > > Its not clear if we have a very generic device breakage.. most devices > > on these platforms are going to be more recent, (except maybe some > > legacy fd)... > > I'm not so sure, there are some "modern" sound cards that have > a 31-bit DMA addressing limitation because they use the 31st > bit as a status bit in their DMA descriptors :-)
There's also a 2GB only megaraid RAID controller that's pretty popular because Dell shipped it for a long time.
-Andi
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |