On Tue, Oct 16, 2012 at 10:38:10AM -0700, Zach Brown wrote: > > Gadget cannot. The code has no control over when a request completes. > > Think of things like talking to a USB serial port or keyboard directly. > > Well, boo. That'd do it. The patch was crossing its fingers for the > usb reqs to complete promptly :). Shoot. I was hoping this would fly, as Jens mentioned the current implementation of cancellation is really problematic w.r.t. performance. I've been floating another scheme for implementing cancellation without any overhead when it's not being used. Basically, we just need help from the allocator (need to be able to iterate over potentially allocated objects). I'll cook up an RFC patch, I think. -- 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
