On Tue, 2002-11-05 at 16:13, Kevin D. Kissell wrote: > Assuming we had a version that prefetched exactly to the end > of the source memory block and no further, why would we need > the second variant? memcpy_to/from_io needs to do strictly ordered fetches on some devices which fake a memory range with a fifo for performance (pci bursting dirty tricks)
