-/*
+/* 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>
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);
}
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);
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;
}
}