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| author | Laurent Pinchart | 2014-05-15 12:40:46 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2014-05-26 11:22:24 +0200 |
| commit | 4ee3cc9c4a62659bc5f5ed59ea49a0b98b5ac670 (patch) | |
| tree | f439de08f59f9f9b70de278c301217ae8b71c115 /Documentation | |
| parent | iommu/ipmmu-vmsa: Define driver-specific page directory sizes (diff) | |
| download | kernel-qcow2-linux-4ee3cc9c4a62659bc5f5ed59ea49a0b98b5ac670.tar.gz kernel-qcow2-linux-4ee3cc9c4a62659bc5f5ed59ea49a0b98b5ac670.tar.xz kernel-qcow2-linux-4ee3cc9c4a62659bc5f5ed59ea49a0b98b5ac670.zip | |
iommu/ipmmu-vmsa: Set the PTE contiguous hint bit when possible
The contiguous hint bit signals to the IOMMU that a range of 16 PTEs
refer to physically contiguous memory. It improves performances by
dividing the number of TLB lookups by 16, effectively implementing 64kB
page sizes.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions