linux-kernel - Re: [PATCH 0/3] iommu: Expose IOMMU information in sysfs

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Message-ID: <1404403726.1862.78.camel@ul30vt.home>
Date:	Thu, 03 Jul 2014 10:08:46 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	iommu@...ts.linux-foundation.org, dwmw2@...radead.org,
	linux-kernel@...r.kernel.org,
	Varun Sethi <Varun.Sethi@...escale.com>
Subject: Re: [PATCH 0/3] iommu: Expose IOMMU information in sysfs

On Mon, 2014-06-16 at 09:24 -0600, Alex Williamson wrote:
> On Mon, 2014-06-16 at 17:16 +0200, Joerg Roedel wrote:
> > On Thu, Jun 12, 2014 at 04:12:18PM -0600, Alex Williamson wrote:
> > > Alex Williamson (3):
> > >       iommu: Add sysfs support for IOMMUs
> > >       iommu/intel: Make use of IOMMU sysfs support
> > >       iommu/amd: Add sysfs support
> > 
> > I like the general approach. But why do you only enable the x86 iommus?
> > Some ARM IOMMUs and PAMU would certainly also benefit from a sysfs
> > representation of which device is translated by which IOMMU.
> 
> Only because I have no ability to test the others platforms.  I'd be
> thrilled if someone working on those IOMMUs could validate this on
> non-x86.  Thanks,

Should I re-send this series or are you hoping I'll attempt to piece
together a non-x86 user for which I have no hardware and can't test?
Varun, do you have any interest in this for the fsl iommu to try a proof
of concept?  Thanks,

Alex

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