linux-kernel - Re: [PATCH 2/3 v14] iommu/fsl: Add additional iommu attributes required by the PAMU driver.

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Message-ID: <20130424105117.GI17148@8bytes.org>
Date:	Wed, 24 Apr 2013 12:51:18 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Sethi Varun-B16395 <B16395@...escale.com>
Cc:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"galak@...nel.crashing.org" <galak@...nel.crashing.org>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	Yoder Stuart-B08248 <B08248@...escale.com>,
	Wood Scott-B07421 <B07421@...escale.com>
Subject: Re: [PATCH 2/3 v14] iommu/fsl: Add additional iommu attributes
 required by the PAMU driver.

On Tue, Apr 23, 2013 at 02:10:25PM +0000, Sethi Varun-B16395 wrote:
> I think it's fine to have the header under linux, actually I also the
> intel-iommu header under linux.

Yes, the difference is that VT-d runs on x86 and on ia64. So there is no
single arch where the header could be placed. The amd-iommu.h file on
the other hand is x86 only and should also be moved to asm/, as I just
found out :)

And as long as PAMU is only needed on a single architecture the header
should also be arch-specific. If that changes someday the header can be
moved to a generic place.


	Joerg


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