Re: [PATCH 0/22] Initial AMD IOMMUv2 support

From: Jerome Glisse
Date: Thu Dec 08 2011 - 15:43:37 EST


On Mon, Dec 05, 2011 at 02:34:15PM +0100, Joerg Roedel wrote:
> Hi,
>
> here is a patch-set that adds initial support for the AMD IOMMU version
> 2 to the Linux kernel. The main feature of the new IOMMU version is
> support for DMA demand-paging and multiple DMA address spaces per
> device.
> The patch-set consists of 2 parts. Patches 1-16 implement the hardware
> access functions to setup and manage the IOMMUv2 functionality of the
> hardware. Patches 17-22 implement a seperate module which makes use
> these functions to implement a page-fault handler for devices which can
> be used by real device drivers.
>
> Any feedback appreciated.
>
> Thanks,
>
> Joerg
>

What hw/chipset/CPU support this functionality ?

Cheers,
Jerome
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