Messages in this thread | | | Date | Wed, 20 Aug 2008 11:46:12 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 0/8] x86 dma_*_coherent rework patchset v2 |
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* Joerg Roedel <joerg.roedel@amd.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?
Ingo
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