On Tue, 8 Sep 2015, Hans de Goede wrote: > Hi, > > On 09/07/2015 06:23 PM, Mian Yousaf Kaukab wrote: > > urb completion callback is executed in host controllers interrupt > > context. To keep preempt disable time short, add urbs to a list on > > completion and schedule work to process the list. > > > > Moreover, save timestamp and sof number in the urb completion callback > > to avoid any delays. > > Erm, I thought that we had already moved to using threaded interrupt > handling for the urb completion a while (1-2 years ?) back. Is this then > still needed ? We moved to handling URB completions in a tasklet, not a threaded handler. (Similar idea, though.) And the change was made in only one or two HCDs, not in all of them. 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