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Re: [Xen-devel] [PATCH 6/6] Introduce per cpu flag (iommu_dont_flush_iot

At 18:25 +0000 on 07 Nov (1320690327), Jean Guyader wrote:
> 
> Add cpu flag that will be checked by the iommu low level code
> to skip iotlb flushes. iommu_iotlb_flush shall be called explicitly.

The general approach is OK.  I think the explicit flush on the xatp path
belongs in the inner xatp function, along with the reat of the loop. 

Also, please add a comment beside the declaration in iommu.h to explain
what the falg does and how it should be used. 

Cheers,

Tim.

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