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

From: Joerg Roedel
Date: Tue May 05 2015 - 12:18:14 EST


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@xxxxxxxxxxxx>
> ---
> 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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