[lkml]   [2011]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 0/2] Introduce iommu_commit() function

On Fri, Jun 24, 2011 at 12:31 AM, Joerg Roedel <> wrote:
> It needs to be called whenever a some code changed a domain (either by
> attaching/detaching devices or by mapping/unmapping pages in
> the domain).

Do you mean we can invalidate IOTLB with this iommu_commit()?
We need to invalidate IOTLB without updating page table for some
optimized solutions.

If a device in one domain is moved to other domain, IOTLB of the
device must be invalidated
because it contains translation information of the previous domain.

KyongHo Cho.

 \ /
  Last update: 2011-06-29 07:05    [W:0.077 / U:9.764 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site