From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 3 Sep 2009 13:01:43 +0000 (+0200)
Subject: x86/amd-iommu: Reset command buffer on ILLEGAL_COMMAND_ERROR
X-Git-Tag: v2.6.32-rc1~727^2^2~2^3~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a345b23b79f1900e7d87c3165182504419180de4;p=pandora-kernel.git

x86/amd-iommu: Reset command buffer on ILLEGAL_COMMAND_ERROR

On an ILLEGAL_COMMAND_ERROR the IOMMU stops executing
further commands. This patch changes the code to handle this
case better by resetting the command buffer in the IOMMU.

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