On Mon, 22 Mar 2010, Pete Zaitcev wrote: > On Fri, 19 Mar 2010 11:17:08 -0400 (EDT) > Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > Pete, I removed the test for IOMMU coalescing in mon_text.c. I figured > > it didn't matter since we were only going to look at the first 32 bytes > > of the first scatterlist buffer anyway. Is this valid? > > In my opinion, no. Even 2 bytes may end crossing a page boundary. > Why not use (urb->transfer_flags & URB_DMA_SG_COMBINED) like you > did for the binary reader? Okay, I'll put that test into the patch. Still waiting to hear the test results from Oliver before I submit it. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
