X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-clock.c;h=6872294bd98a5e4c2825f33357fe9f6040e45fde;hp=4296d6c133f24e65040069e0c6e019c16a751537;hb=cef5d79ec834edb32f33cdf45ad10b3b32e59726;hpb=2754583e7a52bb07e00d9c20f8f6790adb1bc503

diff --git a/lttng-clock.c b/lttng-clock.c
index 4296d6c1..6872294b 100644
--- a/lttng-clock.c
+++ b/lttng-clock.c
@@ -1,30 +1,17 @@
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * lttng-clock.c
  *
  * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <linux/module.h>
 #include <linux/kmod.h>
 #include <linux/mutex.h>
 
-#include "wrapper/trace-clock.h"
-#include "lttng-events.h"
-#include "lttng-tracer.h"
+#include <wrapper/trace-clock.h>
+#include <lttng-events.h>
+#include <lttng-tracer.h>
 
 struct lttng_trace_clock *lttng_trace_clock;
 EXPORT_SYMBOL_GPL(lttng_trace_clock);
@@ -48,7 +35,7 @@ int lttng_clock_register_plugin(struct lttng_trace_clock *ltc,
 		goto end;
 	}
 	/* set clock */
-	ACCESS_ONCE(lttng_trace_clock) = ltc;
+	WRITE_ONCE(lttng_trace_clock, ltc);
 	lttng_trace_clock_mod = mod;
 end:
 	mutex_unlock(&clock_mutex);
@@ -66,7 +53,7 @@ void lttng_clock_unregister_plugin(struct lttng_trace_clock *ltc,
 	}
 	WARN_ON_ONCE(lttng_trace_clock_mod != mod);
 
-	ACCESS_ONCE(lttng_trace_clock) = NULL;
+	WRITE_ONCE(lttng_trace_clock, NULL);
 	lttng_trace_clock_mod = NULL;
 end:
 	mutex_unlock(&clock_mutex);
@@ -83,7 +70,7 @@ void lttng_clock_ref(void)
 		ret = try_module_get(lttng_trace_clock_mod);
 		if (!ret) {
 			printk(KERN_ERR "LTTng-clock cannot get clock plugin module\n");
-			ACCESS_ONCE(lttng_trace_clock) = NULL;
+			WRITE_ONCE(lttng_trace_clock, NULL);
 			lttng_trace_clock_mod = NULL;
 		}
 	}