linux-dev - Linux kernel development work

Age	Commit message (Collapse)	Author	Files	Lines
2015-01-19	iommu: io-pgtable-arm: add non-secure quirk	Laurent Pinchart	1	-1/+2
	The quirk causes the Non-Secure bit to be set in all page table entries. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-01-19	iommu: add ARM LPAE page table allocator	Will Deacon	1	-0/+14
	A number of IOMMUs found in ARM SoCs can walk architecture-compatible page tables. This patch adds a generic allocator for Stage-1 and Stage-2 v7/v8 long-descriptor page tables. 4k, 16k and 64k pages are supported, with up to 4-levels of walk to cover a 48-bit address space. Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-01-19	iommu: introduce generic page table allocation framework	Will Deacon	1	-0/+128
	This patch introduces a generic framework for allocating page tables for an IOMMU. There are a number of reasons we want to do this: - It avoids duplication of complex table management code in IOMMU drivers that use the same page table format - It removes any coupling with the CPU table format (and even the architecture!) - It defines an API for IOMMU TLB maintenance Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Will Deacon <will.deacon@arm.com>