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x86/amd-iommu: Protect IOMMU-API map/unmap path
authorJoerg Roedel <joerg.roedel@amd.com>
Mon, 8 Feb 2010 13:44:49 +0000 (14:44 +0100)
committerJoerg Roedel <joerg.roedel@amd.com>
Mon, 1 Mar 2010 13:16:22 +0000 (14:16 +0100)
This patch introduces a mutex to lock page table updates in
the IOMMU-API path. We can't use the spin_lock here because
this patch might sleep.

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

No differences found
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