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Subject: Re: [PATCH 00/15] iommu: Move domain allocation into drivers
From: Yingjoe Chen <yingjoe.chen@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>
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Date: Fri, 20 Mar 2015 17:24:18 +0800
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On Tue, 2015-01-27 at 00:51 +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
> 
> Hi,
> 
> here is patch-set to replace the existing domain_init and
> domain_destroy iommu-ops with the new domain_alloc and
> domain_free callbacks
> 
> The new callbacks move the allocation of iommu domains into
> the iommu driver, allowing them to put a generic
> iommu_domain struct into their own domain struct. This makes
> domain handling in the drivers more cache efficient and
> prepares the introduction of default domains in another
> patch-set.

Hi Joerg,

What's the status of this patchset?
While porting MTK IOMMU driver[1], we need to use a global variable
because we need to do dma_alloc_coherent in our domain_init. I think we
can remove that global variable if we base on this series.

Joe.C

[1]
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/328461.html