[lkml]   [2001]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch] 32-bit dma memory zone
Followup to:  <>
By author: (Eric W. Biederman)
In newsgroup:
> The AMD760 which looks like it might walk on both the alpha, an x86
> side of the fence also has an iommu. Mostly it's used for AGP but
> according to the docs it should be able to handle the other cases as
> well. The only downside is that it only supports 4GB of ram...
> Anyway we shouldn't assume iommu's don't exist on x86.

On most chips the AGP GART isn't just limited to AGP; it's a
full-fledged iommu. The main problem with it is that it is usually a
rather limited space it provides.

<> at work, <> in private!
"Unix gives you enough rope to shoot yourself in the foot."
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:55    [W:0.030 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site