linux-kernel - Re: [PATCH 0/8] x86 dma_*_coherent rework patchset v2

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Date:	Thu, 21 Aug 2008 14:00:11 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Joerg Roedel <joerg.roedel@....com>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	muli@...ibm.com
Subject: Re: [PATCH 0/8] x86 dma_*_coherent rework patchset v2


* Jesse Barnes <jbarnes@...tuousgeek.org> wrote:

> On Wednesday, August 20, 2008 2:46 am Ingo Molnar wrote:
> > * Joerg Roedel <joerg.roedel@....com> wrote:
> > > Hi,
> > >
> > > this patchset reworks the dma_*_coherent functions in the DMA layer
> > > for the x86 architecture. The patch series extends the existing DMA
> > > backends with missing *coherent callbacks and simplifies the generic
> > > function to basically only call the registered backend. This allows
> > > future optimizations in hardware specific IOMMU implementations. The
> > > code ist tested on AMD64 with AMD IOMMU, GART, SWIOTLB and NOMMU as
> > > well as on my old 486 box. Muli tested the Calgary specific patch.
> > >
> > > Joerg
> > >
> > > Changes since v1:
> > >
> > > - fixed wrong logic in the pci-nommu alloc_coherent code
> > > - moved dma_*_coherent to include/asm-x86/dma-mapping.h
> > >
> > > git diff --stat tip/master.. :
> > >
> > >  arch/x86/kernel/amd_iommu.c      |    2 -
> > >  arch/x86/kernel/pci-calgary_64.c |   14 ++++
> > >  arch/x86/kernel/pci-dma.c        |  146
> > > +------------------------------------- arch/x86/kernel/pci-gart_64.c    |
> > >   35 +++++++++-
> > >  arch/x86/kernel/pci-nommu.c      |   62 ++++++++++++++++
> > >  include/asm-x86/dma-mapping.h    |   47 ++++++++++---
> > >  6 files changed, 149 insertions(+), 157 deletions(-)
> >
> > applied to tip/x86/iommu - thanks Joerg!
> >
> > Jesse, Fujita-san, do these changes look fine to you?
> 
> Yeah, I'll let you push this time. :)
> 
> Signed-off-by:  Jesse Barnes <jbarnes@...tuousgeek.org>

with a v2.6.28 ETA, right?

	Ingo
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