[src/jmcneill-usbmp]: src/sys/dev/usb task thread and event threads are both ...

[mrg <mrg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/45b5a40e3a94
branches:  jmcneill-usbmp
changeset: 771798:45b5a40e3a94
user:      mrg <mrg%NetBSD.org@localhost>
date:      Mon Feb 20 04:06:13 2012 +0000

description:
task thread and event threads are both MPSAFE now.

diffstat:

 sys/dev/usb/usb.c |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (43 lines):

diff -r 1b45f81f3bc4 -r 45b5a40e3a94 sys/dev/usb/usb.c
--- a/sys/dev/usb/usb.c Mon Feb 20 04:05:44 2012 +0000
+++ b/sys/dev/usb/usb.c Mon Feb 20 04:06:13 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: usb.c,v 1.125.6.7 2012/02/20 03:27:07 mrg Exp $        */
+/*     $NetBSD: usb.c,v 1.125.6.8 2012/02/20 04:06:13 mrg Exp $        */
 
 /*
  * Copyright (c) 1998, 2002, 2008 The NetBSD Foundation, Inc.
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usb.c,v 1.125.6.7 2012/02/20 03:27:07 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usb.c,v 1.125.6.8 2012/02/20 04:06:13 mrg Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_usb.h"
@@ -309,8 +309,10 @@
        struct usb_taskq *taskq;
        int i;
 
-       if (kthread_create(PRI_NONE, 0, NULL, usb_event_thread, sc,
-                       &sc->sc_event_thread, "%s", device_xname(self))) {
+       if (kthread_create(PRI_NONE,
+           sc->sc_bus->lock ? KTHREAD_MPSAFE : 0, NULL,
+           usb_event_thread, sc, &sc->sc_event_thread,
+           "%s", device_xname(self))) {
                printf("%s: unable to create event thread for\n",
                       device_xname(self));
                panic("usb_create_event_thread");
@@ -326,8 +328,9 @@
                cv_init(&taskq->cv, "usbtsk");
                taskq->taskcreated = 1;
                taskq->name = taskq_names[i];
-               if (kthread_create(PRI_NONE, 0, NULL, usb_task_thread,
-                   taskq, &taskq->task_thread_lwp, "%s", taskq->name)) {
+               if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL,
+                   usb_task_thread, taskq, &taskq->task_thread_lwp,
+                   "%s", taskq->name)) {
                        printf("unable to create task thread: %s\n", taskq->name);
                        panic("usb_create_event_thread task");
                }