linux-kernel - Re: [PATCH v7 05/07] iommu/ipmmu-vmsa: Add new IOMMU_DOMAIN

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Date:   Wed, 22 Mar 2017 15:25:55 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Magnus Damm <magnus.damm@...il.com>
Cc:     laurent.pinchart+renesas@...asonboard.com, geert+renesas@...der.be,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        iommu@...ts.linux-foundation.org, horms+renesas@...ge.net.au,
        robin.murphy@....com, m.szyprowski@...sung.com
Subject: Re: [PATCH v7 05/07] iommu/ipmmu-vmsa: Add new IOMMU_DOMAIN_DMA ops

On Tue, Mar 07, 2017 at 12:17:33PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm+renesas@...nsource.se>
> 
> Introduce an alternative set of iommu_ops suitable for 64-bit ARM
> as well as 32-bit ARM when CONFIG_IOMMU_DMA=y. Also adjust the
> Kconfig to depend on ARM or IOMMU_DMA. Initialize the device
> from ->xlate() when CONFIG_IOMMU_DMA=y.
> 
> Signed-off-by: Magnus Damm <damm+renesas@...nsource.se>
> ---
> 
>  Changes since V6:
>  - Rolled in the following patches from "r8a7795 support V2":
>    [PATCH v2 04/11] iommu/ipmmu-vmsa: Reuse iommu groups
>    [PATCH v2 06/11] iommu/ipmmu-vmsa: Teach xlate() to skip disabled iommus
>  - Moved find_group() implementation to prevent warning on 32-bit ARM
>  - Rolled in the following patch from "IPMMU slave device whitelist V2":
>    [PATCH/RFC v2 3/4] iommu/ipmmu-vmsa: Check devices in xlate()
> 
>  drivers/iommu/Kconfig      |    1 
>  drivers/iommu/ipmmu-vmsa.c |  164 +++++++++++++++++++++++++++++++++++++++++---
>  2 files changed, 157 insertions(+), 8 deletions(-)

Reviewed-by: Joerg Roedel <jroedel@...e.de>