On Fri, 28 Jun 2013, Ming Lei wrote: > The patchset supports to run giveback of URB in tasklet context, so that > DMA unmapping/mapping on transfer buffer and compelte() callback can be > run with interrupt enabled, then time of HCD interrupt handler(IRQs > disabled time) can be saved much. Also this approach may simplify HCD > since HCD lock needn't be released any more before calling > usb_hcd_giveback_urb(). > > The patchset enables the mechanism on EHCI HCD now. Patches 1, 2, 4 all look okay. Patch 3 needs a little more work, as described in a separate reply. 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