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[Xen-devel] [PATCH PV_OPS] IOMMU interaction fixes.

To: xen-devel@xxxxxxxxxxxxxxxxxxx
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Thu, 24 Sep 2009 18:43:39 -0400
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Delivery-date: Thu, 24 Sep 2009 15:53:20 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Two fixes to make Xen boot on AMD machines with GART. Also (but not tested)
with other IOMMUs, such as Calgary (IBM 3950,3850), AMD IOMMU, and Intel's 
IOMMUs.

 [PATCH 1/2] Revert "xen/swiotlb: make sure GART iommu doesn't initialize if we 
want Xen swiotlb"
 [PATCH 2/2] Introduce xen_swiotlb variable that is set when Xen is running.

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Follow-Ups:
- [Xen-devel] [PATCH 1/2] Revert "xen/swiotlb: make sure GART iommu doesn't initialize if we want Xen swiotlb"
  - From: Konrad Rzeszutek Wilk

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