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Remaining issues fixed after reenabled mutex debugging.

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- Ensure the mutex_stats_sem and mutex_stats_list are initialized
- Only spin if you have to in mutex_init



git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@97 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
This commit is contained in:
behlendo
2008-05-06 23:19:27 +00:00
parent e8b31e8482
commit 4f86a887d8
2 changed files with 13 additions and 5 deletions
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include/sys/mutex.h
+2 -3
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@@ -10,8 +10,7 @@ extern "C" {
#include <sys/types.h>
#include <sys/kmem.h>
//#define DEBUG_MUTEX
#undef DEBUG_MUTEX
#define DEBUG_MUTEX
#define MUTEX_DEFAULT 0
#define MUTEX_SPIN 1
@@ -45,7 +44,7 @@ extern int mutex_spin_max;
#ifdef DEBUG_MUTEX
extern int mutex_stats[MUTEX_STATS_SIZE];
extern struct mutex mutex_stats_lock;
extern struct rw_semaphore mutex_stats_sem;
extern struct list_head mutex_stats_list;
#define MUTEX_STAT_INC(stats, stat) ((stats)[stat]++)
#else