[RFC PATCH] iommu: add ARM short descriptor page table allocator.

Joerg Roedel joro at 8bytes.org
Tue May 5 09:18:02 PDT 2015


On Tue, Apr 28, 2015 at 03:41:21PM +0800, Yong Wu wrote:
> This patch is for ARM Short Descriptor Format.It has 2-levels
> pagetable and the allocator supports 4K/64K/1M/16M.
> 
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>
> ---
>  drivers/iommu/Kconfig                |   7 +
>  drivers/iommu/Makefile               |   1 +
>  drivers/iommu/io-pgtable-arm-short.c | 489 +++++++++++++++++++++++++++++++++++
>  drivers/iommu/io-pgtable.c           |   4 +
>  drivers/iommu/io-pgtable.h           |   6 +
>  5 files changed, 507 insertions(+)
>  create mode 100644 drivers/iommu/io-pgtable-arm-short.c

What is the context of this, where will it be used?


	Joerg




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