On Wednesday 12 January 2011 23:03:37 John Baldwin wrote: > Currently the USB kthreads created for each USB bus use hardware interrupt > priorities. I think this is wrong and that they should use software > interrupt priorities instead. This patch would do that: > > --- //depot/projects/smpng/sys/dev/usb/usb_process.h 2009-08-25 > 21:12:15.000000000 0000 +++ > //depot/user/jhb/socket/dev/usb/usb_process.h 2010-12-21 > 20:30:04.000000000 0000 @@ -27,11 +27,13 @@ > #ifndef _USB_PROCESS_H_ > #define _USB_PROCESS_H_ > > +#include <sys/interrupt.h> > #include <sys/priority.h> > +#include <sys/runq.h> > > /* defines */ > -#define USB_PRI_HIGH PI_NET > -#define USB_PRI_MED PI_DISK > +#define USB_PRI_HIGH PI_SWI(SWI_NET) > +#define USB_PRI_MED PI_SWI(SWI_CAMBIO) > > #define USB_PROC_WAIT_TIMEOUT 2 > #define USB_PROC_WAIT_DRAIN 1
Your suggestion is OK. The priority assignments were made to avoid USB threads competing with other userland threads. --HPS _______________________________________________ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"
