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authorskrll <skrll@NetBSD.org>2016-08-14 14:42:22 +0000
committerskrll <skrll@NetBSD.org>2016-08-14 14:42:22 +0000
commit5576422f4defecab5a2bde50fb882b436de8cfe1 (patch)
tree8a505bc06fd4f6d4f8b9a58825e1884b69c4ec21 /sys/dev/microcode
parentc3945f5113184ad5a5cf793ee855c2ee20b143fb (diff)
Change the SOFTINT level from NET to SERIAL for the USB softint handler.
This gives the callback a chance of running when another softint handler at SOFTINT_NET has blocked holding a lock, e.g. softnet_lock and most of the network stack. Should fix/help kern/49065 - ifconfig tun0 ... sequence locks up system / lockup: softnet_lock held across usb xfr kern/50491 - unkillable wait in usbd_transfer while using usmsc0 on raspberry pi 2 kern/51395 - USB Ethernet makes xhci hang and probably others
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