PERFORCE change 182014 for review

[Edward Tomasz Napierala]

http://p4web.freebsd.org/@@182014?ac=10

Change 182014 by trasz at trasz_victim on 2010/08/07 11:37:59

	Add missing locking.

Affected files ...

.. //depot/projects/soc2009/trasz_limits/sys/kern/kern_resource.c#45 edit

Differences ...

==== //depot/projects/soc2009/trasz_limits/sys/kern/kern_resource.c#45 (text+ko) ====

@@ -627,6 +627,7 @@
 	struct thread *td;
 	struct proc *p;
 
+	sx_slock(&allproc_lock);
 	FOREACH_PROC_IN_SYSTEM(p) {
 		PROC_SLOCK(p);
 		FOREACH_THREAD_IN_PROC(p, td) {
@@ -635,6 +636,7 @@
 		PROC_SUNLOCK(p);
 		rusage_set(p, RUSAGE_CPU, cputick2usec(p->p_rux.rux_runtime));
 	}
+	sx_sunlock(&allproc_lock);
 
 	callout_reset(&rusage_cpu_callout, hz, rusage_cpu_update, NULL);
 }