Author: jhb
Date: Tue Oct 12 15:48:14 2010
New Revision: 213723
URL: http://svn.freebsd.org/changeset/base/213723
Log:
MFC 213271:
Account for unlocking a spin mutex in the lock profiling code in the !SMP
case.
Modified:
stable/8/sys/sys/mutex.h
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/sys/mutex.h
==============================================================================
--- stable/8/sys/sys/mutex.h Tue Oct 12 15:26:37 2010 (r213722)
+++ stable/8/sys/sys/mutex.h Tue Oct 12 15:48:14 2010 (r213723)
@@ -251,8 +251,11 @@ void _thread_lock_flags(struct thread *,
#define _rel_spin_lock(mp) do {
\
if (mtx_recursed((mp))) \
(mp)->mtx_recurse--; \
- else \
+ else { \
+ LOCKSTAT_PROFILE_RELEASE_LOCK(LS_MTX_SPIN_UNLOCK_RELEASE, \
+ mp); \
(mp)->mtx_lock = MTX_UNOWNED; \
+ } \
spinlock_exit(); \
} while (0)
#endif /* SMP */
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