Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / kernel / locking / rtmutex.h

diff --git a/kernel/kernel/locking/rtmutex.h b/kernel/kernel/locking/rtmutex.h
new file mode 100644 (file)
index 0000000..c406058
--- /dev/null
+++ b/kernel/kernel/locking/rtmutex.h
@@ -0,0 +1,36 @@
+/*
+ * RT-Mutexes: blocking mutual exclusion locks with PI support
+ *
+ * started by Ingo Molnar and Thomas Gleixner:
+ *
+ *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
+ *
+ * This file contains macros used solely by rtmutex.c.
+ * Non-debug version.
+ */
+
+#define rt_mutex_deadlock_check(l)                     (0)
+#define rt_mutex_deadlock_account_lock(m, t)           do { } while (0)
+#define rt_mutex_deadlock_account_unlock(l)            do { } while (0)
+#define debug_rt_mutex_init_waiter(w)                  do { } while (0)
+#define debug_rt_mutex_free_waiter(w)                  do { } while (0)
+#define debug_rt_mutex_lock(l)                         do { } while (0)
+#define debug_rt_mutex_proxy_lock(l,p)                 do { } while (0)
+#define debug_rt_mutex_proxy_unlock(l)                 do { } while (0)
+#define debug_rt_mutex_unlock(l)                       do { } while (0)
+#define debug_rt_mutex_init(m, n)                      do { } while (0)
+#define debug_rt_mutex_deadlock(d, a ,l)               do { } while (0)
+#define debug_rt_mutex_print_deadlock(w)               do { } while (0)
+#define debug_rt_mutex_reset_waiter(w)                 do { } while (0)
+
+static inline void rt_mutex_print_deadlock(struct rt_mutex_waiter *w)
+{
+       WARN(1, "rtmutex deadlock detected\n");
+}
+
+static inline bool debug_rt_mutex_detect_deadlock(struct rt_mutex_waiter *w,
+                                                 enum rtmutex_chainwalk walk)
+{
+       return walk == RT_MUTEX_FULL_CHAINWALK;
+}