From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 11 Jul 2008 15:14:27 +0000 (+0200)
Subject: x86, AMD IOMMU: add an emergency exit to the completion wait loop
X-Git-Tag: v2.6.27-rc1~955^2~1^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=136f78a19cf94d469f31a4009c7c0ac2301fbbf0;p=pandora-kernel.git

x86, AMD IOMMU: add an emergency exit to the completion wait loop

To make the loop waiting for the completion wait command not wait forever this
patch adds a limit of cycles that loop.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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