Messages in this thread | | | From | Joerg Roedel <> | Subject | [PATCH 0/7] x86 dma_*_coherent rework patchset | Date | Tue, 12 Aug 2008 17:24:10 +0200 |
| |
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 and GART as well as on my old 486 box. It is not yet tested on a Calgary IOMMU system.
Joerg
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 | 116 +++---------------------------------- arch/x86/kernel/pci-gart_64.c | 31 ++++++++++ arch/x86/kernel/pci-nommu.c | 45 +++++++++++++++ 5 files changed, 100 insertions(+), 108 deletions(-)
| |