From: Chen, Tiejun
Sent: Monday, December 01, 2014 5:25 PM
intel_iommu_map_page() does nothing if VT-d shares EPT page table.
So rmrr_identity_mapping() never create RMRR mapping but in some
cases like some GFX drivers it still need to access RMRR.
Here we will create those RMRR mappings
intel_iommu_map_page() does nothing if VT-d shares EPT page table.
So rmrr_identity_mapping() never create RMRR mapping but in some
cases like some GFX drivers it still need to access RMRR.
Here we will create those RMRR mappings even in shared EPT case.
Signed-off-by: Tiejun Chen
