On Thu, 2008-05-01 at 18:36 +0300, Boaz Harrosh wrote: > On Thu, May 01 2008 at 18:22 +0300, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, 2008-05-01 at 17:56 +0300, Boaz Harrosh wrote: > >> The call to pci_map_page() on an ISA case will it not bounce the > >> buffer? > > > > Only if the system isn't a PCI_DMA_BUS_IS_PHYS one. > > > > That means basically either has an iommu/gart or has some silly swiotlb > > to emulate one. > > > > That means for standard x86 isa systems the answer is no: the buffer has > > to be allocated within the isa region because pci_map is simply a > > virt_to_phys. > > > > James > > > OK Thanks, so the second patch then. That will solve it. Um, your second patch is only changing isd200; it's hard to see how that can fix a gdth problem ... James -- To unsubscribe from this list: 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
