linux-kernel - Re: [PATCH v2 0/7] IOMMU: Groups support

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Message-ID: <1340040703.17272.2.camel@bling.home>
Date:	Mon, 18 Jun 2012 11:31:43 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	Alexey Kardashevskiy <aik@...abs.ru>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	David Woodhouse <dwmw2@...radead.org>,
	iommu@...ts.linux-foundation.org, bhelgaas@...gle.com,
	david@...son.dropbear.id.au, konrad.wilk@...cle.com,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	gregkh@...uxfoundation.org, ddutile@...hat.com, liuj97@...il.com
Subject: Re: [PATCH v2 0/7] IOMMU: Groups support

Anyone?  Alexey & BenH, I know you're familiar with IOMMU groups, please
give Joerg some kind of indication that you approve of this for POWER.
David Woodhouse, these patches touch intel-iommu, please ack or comment:

https://lkml.org/lkml/2012/5/30/445
https://lkml.org/lkml/2012/5/30/450

Joerg, maybe we can just add CC: to the commit log?  Thanks,

Alex

On Mon, 2012-06-11 at 09:37 -0600, Alex Williamson wrote:
> On Wed, 2012-06-06 at 13:05 +0200, Joerg Roedel wrote:
> > On Wed, May 30, 2012 at 02:18:29PM -0600, Alex Williamson wrote:
> > > v2:
> > >  - Trickle down changes from pci_get_dma_source() to better handle
> > >    PCI device reference counting in IOMMU driver patches
> > 
> > Okay, I looked again over the code and looks good for merging to me.
> 
> Great, thanks Joerg!
> 
> >  The
> > IOMMU Groups code depends on changes in the PCI code. We need to work
> > out how to merge this.
> > 
> > Bjorn,
> > 
> > I need the PCI changes before I can merge the IOMMU Groups code. There
> > are two ways that would work for me:
> > 
> > 	a) You Ack the PCI patch-set from Alex and I put it into my tree
> > 	   and merge the IOMMU Group code on-top, or
> > 	b) You merge the PCI related patch-set into a seperate branch
> > 	   which you can merge into your next-branch and which I can
> > 	   pull in to merge IOMMU Groups on-top.
> > 
> > Please let me know what works best for you.
> 
> I also poked Bjorn with a minor v3 spin on his series, no change to this
> series.
> 
> > What I would also appreciate are a few more Acks from other IOMMU
> > maintainers (David W.?) and from the Power side.
> 
> Alexey, BenH, can either of you comment on this series from the POWER
> side?  I know Alexey has an implementation of VFIO/Qemu device
> assignment working on POWER with this series.  David Woodhouse, any
> comments?  Thanks,
> 
> Alex




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