commit | a8c485bb6857811807d42f9fd1fde2f5f89cc5c9 | [log] [tgz] |
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author | Chris Wright <chrisw@sous-sol.org> | Mon Jun 15 15:53:45 2009 +0200 |
committer | Joerg Roedel <joerg.roedel@amd.com> | Mon Jun 15 15:53:45 2009 +0200 |
tree | a87f877258454e5d48a39162d895a0fada250a36 | |
parent | 42a49f965a8d24ed92af04f5b564d63f17fd9c56 [diff] |
amd-iommu: disable cmd buffer and evt logging before reprogramming iommu The IOMMU spec states that IOMMU behavior may be undefined when the IOMMU registers are rewritten while command or event buffer is enabled. Disable them in IOMMU disable path. Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>