From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 20 Nov 2009 13:57:32 +0000 (+0100)
Subject: x86/amd-iommu: Add per IOMMU reference counting
X-Git-Tag: v2.6.33-rc1~409^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c459611424d8b8396060eb766e23bd0c70c993bc;p=pandora-kernel.git

x86/amd-iommu: Add per IOMMU reference counting

This patch adds reference counting for protection domains
per IOMMU. This allows a smarter TLB flushing strategy.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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