[Xen-devel] [patch 2/3] VT-d cleanup: define a micro for waiting hardare completion

["Han, Weidong" <weidong.han@xxxxxxxxx>]

When set some registers of VT-d, it must wait for hardware completion. There 
are lots of duplicated code to do that. This patch defines a macro for it, thus 
it is much cleaner.

Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>

Attachment: iommu-wait-op.patch
Description: iommu-wait-op.patch

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