linux-kernel - Re: [PATCH char-misc-next 10/19] lib: convert iova.c into a library

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Date:	Tue, 28 Jul 2015 15:38:13 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Robin Murphy <robin.murphy@....com>,
	Ashutosh Dixit <ashutosh.dixit@...el.com>
Cc:	Joerg Roedel <joro@...tes.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Sudeep Dutt <sudeep.dutt@...el.com>,
	Nikhil Rao <nikhil.rao@...el.com>,
	Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
	Harish Chegondi <harish.chegondi@...el.com>,
	"sakari.ailus@...ux.intel.com" <sakari.ailus@...ux.intel.com>
Subject: Re: [PATCH char-misc-next 10/19] lib: convert iova.c into a library

On Tue, 2015-07-28 at 11:41 +0100, Robin Murphy wrote:
> On 28/07/15 11:03, Joerg Roedel wrote:
> > On Mon, Jul 27, 2015 at 04:57:32PM -0700, Ashutosh Dixit wrote:
> > > From: Harish Chegondi <harish.chegondi@...el.com>
> > > 
> > > This patch converts iova.c into a library, moving it from
> > > drivers/iommu/ to lib/, and exports its virtual address 
> > > allocation and
> > > management functions so that other modules can reuse them.
> > > 
> > > Cc: Joerg Roedel <joro@...tes.org>
> > > Reviewed-by: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com
> > > >
> > > Reviewed-by: Sudeep Dutt <sudeep.dutt@...el.com>
> > > Signed-off-by: Harish Chegondi <harish.chegondi@...el.com>
> > 
> > Where is this going to be used outside of the IOMMU world?
> > 
> 
> ...and how does it relate to the patches from Sakari (+CC) doing much 
> the same thing[1]?

I merged Sakari's patches into the intel-iommu git tree today, FWIW.

If there's really a need to move it from drivers/iommu/ to lib/ then we
could feasibly do that too.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation

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