On Wed, May 08, 2019 at 03:04:33PM +0300, Mathias Nyman wrote: > On 7.5.2019 19.02, Suwan Kim wrote: > > On Mon, Apr 01, 2019 at 11:16:11PM +0900, Suwan Kim wrote: > > > Patch "USB: HCD: support giveback of URB in tasklet context"[1] > > > introduced giveback of urb in tasklet context. [1] This patch was > > > applied to ehci but not xhci. [2] This patch significantly reduces > > > the hard irq time of xhci. Especially for uvc driver, the hard irq > > > including the uvc completion function runs quite long but applying > > > this patch reduces the hard irq time of xhci. > > > > > > > I sent this patch a month ago but got no answer. > > Is there any feedback for this? > > Please let me know if there are any faults or it needs more tests. > > > > I'll add this to a internal tree first, and let it sit there for a few > weeks, trying to catch possible bugs this change could expose. Thank you for spending your time for it! I also have been testing it in my daily desktop and until now, there are no special issues. If some bugs occur, i will report it to the mailing list. Regards Suwan Kim
