linux-kernel - Re: [PATCH v2 09/16] driver core: add iommu device fault reporting data

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Message-ID: <20171006092255.403d26a0@jacob-builder>
Date:   Fri, 6 Oct 2017 09:22:55 -0700
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        iommu@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rafael Wysocki <rafael.j.wysocki@...el.com>,
        Jean-Philippe Brucker <jean-philippe.brucker@....com>,
        Lan Tianyu <tianyu.lan@...el.com>,
        jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH v2 09/16] driver core: add iommu device fault reporting
 data

On Fri, 6 Oct 2017 10:39:31 +0200
Joerg Roedel <joro@...tes.org> wrote:

> On Fri, Oct 06, 2017 at 12:11:45AM -0700, Christoph Hellwig wrote:
> > This is the 3rd iommu field, in addition to 8 dma-specific fields
> > that we carry around for each struct device.  
> 
> Agreed, consolidating the iommu-fields in 'struct device' into a
> single 'struct iommu_data' is on my todo-list.
> 
> Jacob, can you add that 'struct iommu_data' to 'struct device' and put
> your fault-data into it? We can then move on and migrate the other
> fields into that struct too.
> 
sounds good.