[lttng-modules.git] / wrapper / percpu-defs.h

/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
 *
 * wrapper/percpu-defs.h
 *
 * wrapper around linux/percpu-defs.h.
 *
 * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _LTTNG_WRAPPER_PERCPU_DEFS_H
#define _LTTNG_WRAPPER_PERCPU_DEFS_H

#include <linux/version.h>

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)

#include <linux/percpu-defs.h>

#define lttng_this_cpu_ptr(ptr)		this_cpu_ptr(ptr)

#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */

#include <linux/percpu.h>

#define lttng_this_cpu_ptr(ptr)		(&__get_cpu_var(*(ptr)))

#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */

#endif /* _LTTNG_WRAPPER_PERCPU_DEFS_H */
Commit	Line	Data
	1	/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
	2	*
	3	* wrapper/percpu-defs.h
	4	*
	5	* wrapper around linux/percpu-defs.h.
	6	*
	7	* Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	8	*/
	9
	10	#ifndef _LTTNG_WRAPPER_PERCPU_DEFS_H
	11	#define _LTTNG_WRAPPER_PERCPU_DEFS_H
	12
	13	#include <linux/version.h>
	14
	15	#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0)
	16
	17	#include <linux/percpu-defs.h>
	18
	19	#define lttng_this_cpu_ptr(ptr) this_cpu_ptr(ptr)
	20
	21	#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
	22
	23	#include <linux/percpu.h>
	24
	25	#define lttng_this_cpu_ptr(ptr) (&__get_cpu_var(*(ptr)))
	26
	27	#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) */
	28
	29	#endif /* _LTTNG_WRAPPER_PERCPU_DEFS_H */