PERFORCE change 103886 for review

[John Baldwin]

http://perforce.freebsd.org/chv.cgi?CH=103886

Change 103886 by jhb at jhb_mutex on 2006/08/14 18:26:42

	Use shared locks for the second lockers in the mixed test.

Affected files ...

.. //depot/projects/smpng/sys/modules/crash2/crash2.c#11 edit

Differences ...

==== //depot/projects/smpng/sys/modules/crash2/crash2.c#11 (text+ko) ====

@@ -112,9 +112,9 @@
 		lockmgr(locks[thread % 4], LK_EXCLUSIVE, NULL, curthread);
 	tsleep(sxs, 0, "slp_dead", hz/10);
 	if (thread % 2)
-		lockmgr(locks[(thread + 1) % 4], LK_EXCLUSIVE, NULL, curthread);
+		lockmgr(locks[(thread + 1) % 4], LK_SHARED, NULL, curthread);
 	else
-		sx_xlock(sxs[(thread + 1) % 4]);
+		sx_slock(sxs[(thread + 1) % 4]);
 }
 CRASH2_EVENT("sx and lockmgr cycle", sleep_deadlock, sleep_deadlock,
     sleep_deadlock, sleep_deadlock);