mlx4_core: Roll back round robin bitmap allocation commit for CQs, SRQs, and MPTs

[cascardo/linux.git] / lib / lockref.c

diff --git a/lib/lockref.c b/lib/lockref.c
index af6e95d..f07a40d 100644 (file)
--- a/lib/lockref.c
+++ b/lib/lockref.c
@@ -1,7 +1,8 @@
 #include <linux/export.h>
 #include <linux/lockref.h>
+#include <linux/mutex.h>
 
-#ifdef CONFIG_CMPXCHG_LOCKREF
+#if USE_CMPXCHG_LOCKREF
 
 /*
  * Allow weakly-ordered memory architectures to provide barrier-less
@@ -11,14 +12,6 @@
 # define cmpxchg64_relaxed cmpxchg64
 #endif
 
-/*
- * Allow architectures to override the default cpu_relax() within CMPXCHG_LOOP.
- * This is useful for architectures with an expensive cpu_relax().
- */
-#ifndef arch_mutex_cpu_relax
-# define arch_mutex_cpu_relax() cpu_relax()
-#endif
-
 /*
  * Note that the "cmpxchg()" reloads the "old" value for the
  * failure case.