tree 326b6d2ea83d9a5df8ea4eef91834dc3e0da2bac
parent 339d3261aa3eb0e12f68ef868e042c1ca03628f7
author Joerg Roedel <joerg.roedel@amd.com> 1265636689 +0100
committer Joerg Roedel <joerg.roedel@amd.com> 1267449382 +0100

x86/amd-iommu: Protect IOMMU-API map/unmap path

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>