From: Andi Kleen <ak@xxxxxxx> Date: Mon, 6 Feb 2006 22:11:29 +0100 > Don't touch the non DMA members in the sg list in dma_map_sg in the IOMMU > > Some drivers (in particular ipr) ran into problems because they > reused the sg lists after passing them to pci_map_sg(). The merging > procedure in the K8 GART IOMMU corrupted the state. This patch > changes it to only touch the dma* entries during merging, > but not the other fields. Approach suggested by Dave Miller. > > I did some basic tests with CONFIG_IOMMU_DEBUG (LTP, large dd) > and without and it hold up, but needs more testing. > > Signed-off-by: Andi Kleen <ak@xxxxxxx> Thanks for doing this work Andi. - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
