lkml.org 
[lkml]   [2008]   [Sep]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 3/3] x86/iommu: use __GFP_ZERO instead of memset for GART
From
On Sat, 27 Sep 2008 20:18:55 +0200
Ingo Molnar <mingo@elte.hu> wrote:

> another thing:
>
> How hard would it be to add an CONFIG_IOMMU_DEBUG option that forces as
> many DMA requests to go via the IOMMU as possible?
>
> This slows things down of course so it's only for debugging - but it
> also makes sure that we utilize the IOMMU code to the maximum - which is
> not normally the case.

If you use iommu=force boot option, GART always tries to use the
IOMMU.


\
 
 \ /
  Last update: 2008-09-28 20:11    [W:0.064 / U:1.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site