1 #ifndef _LTTNG_WRAPPER_PERCPU_DEFS_H
2 #define _LTTNG_WRAPPER_PERCPU_DEFS_H
5 * wrapper/percpu-defs.h
7 * wrapper around linux/percpu-defs.h.
9 * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; only
14 * version 2.1 of the License.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include <linux/version.h>
28 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
30 #include <linux/percpu-defs.h>
32 #define lttng_this_cpu_ptr(ptr) this_cpu_ptr(ptr)
34 #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
36 #include <linux/percpu.h>
38 #define lttng_this_cpu_ptr(ptr) (&__get_cpu_var(*(ptr)))
40 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
42 #endif /* _LTTNG_WRAPPER_PERCPU_DEFS_H */
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