xnu-6153.61.1.tar.gz

[apple/xnu.git] / bsd / dev / arm / dtrace_isa.c

diff --git a/bsd/dev/arm/dtrace_isa.c b/bsd/dev/arm/dtrace_isa.c
index 23d09f6a0d7d8b2969f2749d837788badc7b5adc..1f8dbd2ef5cab9524cfdbbcb7ca6bd24ae6df666 100644 (file)
--- a/bsd/dev/arm/dtrace_isa.c
+++ b/bsd/dev/arm/dtrace_isa.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005-2008 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2005-2018 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -26,8 +26,6 @@
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
-#define MACH__POSIX_C_SOURCE_PRIVATE 1  /* pulls in suitable savearea from
-                                        * mach/ppc/thread_status.h */
 #include <arm/caches_internal.h>
 #include <arm/proc_reg.h>
 
@@ -44,7 +42,7 @@
 #include <sys/kauth.h>
 #include <sys/dtrace.h>
 #include <sys/dtrace_impl.h>
-#include <libkern/OSAtomic.h>
+#include <machine/atomic.h>
 #include <kern/simple_lock.h>
 #include <kern/sched_prim.h>            /* for thread_wakeup() */
 #include <kern/thread_call.h>
@@ -123,7 +121,7 @@ xcRemote(void *foo)
                (pArg->f)(pArg->arg);
        }
 
-       if (hw_atomic_sub(&dt_xc_sync, 1) == 0) {
+       if (os_atomic_dec(&dt_xc_sync, relaxed) == 0) {
                thread_wakeup((event_t) &dt_xc_sync);
        }
 }