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CVS commit: [jmcneill-usbmp] src/sys/dev

Module Name:    src
Committed By:   mrg
Date:           Fri Dec  9 01:53:00 UTC 2011

Modified Files:
        src/sys/dev/pci [jmcneill-usbmp]: ehci_pci.c ohci_pci.c uhci_pci.c
        src/sys/dev/usb [jmcneill-usbmp]: ehci.c ohci.c uaudio.c uhci.c umidi.c
            usb.c usb_subr.c usbdi.c usbdivar.h

Log Message:
- make pipe->close method take the thread lock

- convert usb_taskq to use mutex/cv

- convert needs_explore usage into a cv on the thread lock

- remove KERNEL_*LOCK from uaudio and umidi, since we're supposedly
  MPSAFE here now

- use IPL_SCHED instead of IPL_USB (aka biglocked) interrupts

- drop the audio thread lock when calling into usb when it may sleep,
  avoiding a deadlock between audiowrite and audioioctl.  this fixes
  mixerctl -a vs. playing hanging the system
  XXX probably need to check this in a bunch more places.

To generate a diff of this commit:
cvs rdiff -u -r1.53.6.1 -r1.53.6.2 src/sys/dev/pci/ehci_pci.c
cvs rdiff -u -r1.47 -r1.47.8.1 src/sys/dev/pci/ohci_pci.c
cvs rdiff -u -r1.53 -r1.53.8.1 src/sys/dev/pci/uhci_pci.c
cvs rdiff -u -r1.181.6.4 -r1.181.6.5 src/sys/dev/usb/ehci.c
cvs rdiff -u -r1.218.6.7 -r1.218.6.8 src/sys/dev/usb/ohci.c
cvs rdiff -u -r1.124 -r1.124.2.1 src/sys/dev/usb/uaudio.c
cvs rdiff -u -r1.240.6.5 -r1.240.6.6 src/sys/dev/usb/uhci.c
cvs rdiff -u -r1.53 -r1.53.2.1 src/sys/dev/usb/umidi.c
cvs rdiff -u -r1.125.6.4 -r1.125.6.5 src/sys/dev/usb/usb.c
cvs rdiff -u -r1.180.6.2 -r1.180.6.3 src/sys/dev/usb/usb_subr.c
cvs rdiff -u -r1.134.2.4 -r1.134.2.5 src/sys/dev/usb/usbdi.c
cvs rdiff -u -r1.93.8.3 -r1.93.8.4 src/sys/dev/usb/usbdivar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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