svn commit: r199008 - head/sys/kern
Attilio Rao
attilio at FreeBSD.org
Fri Nov 6 22:33:04 UTC 2009
Author: attilio
Date: Fri Nov 6 22:33:03 2009
New Revision: 199008
URL: http://svn.freebsd.org/changeset/base/199008
Log:
Save the sack when doing a lockmgr_disown() call.
Requested by: kib
MFC: 3 days
Modified:
head/sys/kern/kern_lock.c
Modified: head/sys/kern/kern_lock.c
==============================================================================
--- head/sys/kern/kern_lock.c Fri Nov 6 22:29:46 2009 (r199007)
+++ head/sys/kern/kern_lock.c Fri Nov 6 22:33:03 2009 (r199008)
@@ -1086,6 +1086,7 @@ _lockmgr_disown(struct lock *lk, const c
LOCK_LOG_LOCK("XDISOWN", &lk->lock_object, 0, 0, file, line);
WITNESS_UNLOCK(&lk->lock_object, LOP_EXCLUSIVE, file, line);
TD_LOCKS_DEC(curthread);
+ STACK_SAVE(lk);
/*
* In order to preserve waiters flags, just spin.
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