Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


Memory checking enhancements
[palacios.git] / linux_module / lockcheck.h
index 7151bd0..2fd2e92 100644 (file)
@@ -1,10 +1,21 @@
 #ifndef _lockcheck
 #define _lockcheck
 
-#define CHECK_LOCKS  0
-#define NUM_LOCKS    1024
 
-#if CHECK_LOCKS
+#ifdef V3_CONFIG_DEBUG_LOCKS
+
+// Maxmimum number of locks to handle
+#define NUM_LOCKS        1024
+// Maximum number of locks that can be simultaneously
+// held on each CPU
+#define LOCK_STACK_DEPTH 16
+
+//
+// The following macros are used
+// in the stub functions to call back to the lock
+// checker - if lock checking is not enabled, these 
+// turn into nothing
+//
 #define LOCKCHECK_INIT() palacios_lockcheck_init()
 #define LOCKCHECK_ALLOC(lock) palacios_lockcheck_alloc(lock)
 #define LOCKCHECK_FREE(lock)  palacios_lockcheck_free(lock)
 #define LOCKCHECK_LOCK_IRQSAVE(lock, flags)  palacios_lockcheck_lock_irqsave(lock,flags)
 #define LOCKCHECK_UNLOCK_IRQRESTORE(lock, flags) palacios_lockcheck_unlock_irqrestore(lock,flags)
 #define LOCKCHECK_DEINIT() palacios_lockcheck_deinit()
+
+void palacios_lockcheck_init(void);
+void palacios_lockcheck_alloc(void *lock);
+void palacios_lockcheck_free(void *lock);
+void palacios_lockcheck_lock(void *lock);
+void palacios_lockcheck_unlock(void *lock);
+void palacios_lockcheck_lock_irqsave(void *lock,unsigned long flags);
+void palacios_lockcheck_unlock_irqrestore(void *lock,unsigned long flags);
+void palacios_lockcheck_deinit(void);
+
 #else
+
+//
+// The following is what happens when lock checking is not on
+//
 #define LOCKCHECK_INIT()
 #define LOCKCHECK_ALLOC(lock) 
 #define LOCKCHECK_FREE(lock)  
 #define LOCKCHECK_LOCK_IRQSAVE(lock, flags)  
 #define LOCKCHECK_UNLOCK_IRQRESTORE(lock, flags) 
 #define LOCKCHECK_DEINIT()
+
 #endif
 
-void palacios_lockcheck_init(void);
-void palacios_lockcheck_alloc(void *lock);
-void palacios_lockcheck_free(void *lock);
-void palacios_lockcheck_lock(void *lock);
-void palacios_lockcheck_unlock(void *lock);
-void palacios_lockcheck_lock_irqsave(void *lock,unsigned long flags);
-void palacios_lockcheck_unlock_irqrestore(void *lock,unsigned long flags);
-void palacios_lockcheck_deinit(void);
 
 #endif