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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-09-19 15:28:12 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-09-19 15:28:12 -0700
commitb94996c99c8befed9cbbb8804a4625e203913318 (patch)
tree867d34ad9c837d35bbbf5921fb89b53378f67b48 /drivers
parent0c02a20ff7695f9c54cc7c013dda326270ccdac8 (diff)
intel-iommu: Disable PMRs after we enable translation, not before
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/intel-iommu.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 52026d1797e..601c3278cf2 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2403,11 +2403,12 @@ int __init init_dmars(void)
iommu->flush.flush_context(iommu, 0, 0, 0, DMA_CCMD_GLOBAL_INVL);
iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH);
- iommu_disable_protect_mem_regions(iommu);
ret = iommu_enable_translation(iommu);
if (ret)
goto error;
+
+ iommu_disable_protect_mem_regions(iommu);
}
return 0;
@@ -3066,8 +3067,8 @@ static int init_iommu_hw(void)
DMA_CCMD_GLOBAL_INVL);
iommu->flush.flush_iotlb(iommu, 0, 0, 0,
DMA_TLB_GLOBAL_FLUSH);
- iommu_disable_protect_mem_regions(iommu);
iommu_enable_translation(iommu);
+ iommu_disable_protect_mem_regions(iommu);
}
return 0;