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intel-iommu: Disable PMRs after we enable translation, not before

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Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2009-09-19 15:28:12 -07:00
parent 0c02a20ff7
commit b94996c99c
1 changed files with 3 additions and 2 deletions
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5
drivers/pci/intel-iommu.c
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@ -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;