linux-kernel - Re: [PATCH] add iommu_num

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Message-ID: <20080726134156.GC4401@elte.hu>
Date:	Sat, 26 Jul 2008 15:41:56 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	joerg.roedel@....com, mingo@...hat.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	bhavna.sarathy@....com, robert.richter@....com
Subject: Re: [PATCH] add iommu_num_pages helper function


* FUJITA Tomonori <fujita.tomonori@....ntt.co.jp> wrote:

> On Fri, 25 Jul 2008 16:14:25 +0200
> Joerg Roedel <joerg.roedel@....com> wrote:
> 
> > > > If not, I suggest that we (you?) introduce one in a follow-on patch
> > > > series and fix the iommu_num_pages function then.
> > > 
> > > That's fine by me. Or I could try to find a solution and submit new
> > > patchset with your AMD and GART patches.
> > 
> > Thats also possible. But I prefer to fix that incrementally and merge
> > this first step.
> > 
> > > BTW, I prefer to push this patchset via -mm rather than x86 since
> > > after all we need to clean up all the IOMMUs.
> > 
> > Push it through -mm would make sense since it touches generic code in
> > lib/. On the other side in x86 we would avoid merge conflicts with
> > updates in AMD IOMMU and GART code.
> 
> Ok, I have no preference. It's not urgent and I can work on this later 
> on. I leave it to you and x86 maintainers.

ok, i'll apply the 3 patches to tip/x86/iommu. As usual, feel free to 
send IOMMU cleanups/generalizations/fixes against tip/master:

  http://people.redhat.com/mingo/tip.git/README

	Ingo
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