[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20080821231720S.fujita.tomonori@lab.ntt.co.jp>
Date: Thu, 21 Aug 2008 23:16:50 +0900
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To: mingo@...e.hu
Cc: jbarnes@...tuousgeek.org, joerg.roedel@....com,
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
On Thu, 21 Aug 2008 14:00:11 +0200
Ingo Molnar <mingo@...e.hu> wrote:
>
> * 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?
Surely, this patchset should be for 2.6.28.
Can you send this via the x86 tree instead of pci?
- IOMMU code is arch stuff rather than pci.
- We can avoid a mistake such as the previous one.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists