futex: Allow architectures to skip futex_atomic_cmpxchg_inatomic() test

[pandora-kernel.git] / include / linux / futex.h

diff --git a/include/linux/futex.h b/include/linux/futex.h
index b0d95ca..6435f46 100644 (file)
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -55,7 +55,11 @@ union futex_key {
 #ifdef CONFIG_FUTEX
 extern void exit_robust_list(struct task_struct *curr);
 extern void exit_pi_state_list(struct task_struct *curr);
+#ifdef CONFIG_HAVE_FUTEX_CMPXCHG
+#define futex_cmpxchg_enabled 1
+#else
 extern int futex_cmpxchg_enabled;
+#endif
 #else
 static inline void exit_robust_list(struct task_struct *curr)
 {