lkml.org 
[lkml]   [2007]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [Intel IOMMU][patch 8/8] Preserve some Virtual Address when devices cannot address entire range.
Date
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/

\
 
 \ /
  Last update: 2007-04-25 00:07    [W:0.999 / U:0.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site