> - should hid.c be fixed to use USB_ASYNC_UNLINK ? (and potentially other
>drivers). In this case, I beleive this should be documented with a big
>warning, or eventually add a test of in_interrupt() in usb_unlink_urb()
>displaying a big error when this flag is not set so at least we know
>what's going on and driver writers using UHCI will fix their bugs ;)
Note that in any case, I beleive we should flip flop between two urbs in
hid.c to avoid this case and use async unlink when the "other" urb is
available, and sync unlink only when both are busy. This way, we would
probably reduce the potential of causing quite huge latencies in the
kernel at interrupt time (1ms at least for example in the uhci driver)
Ben.
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