RT-WiFi/backport-include/linux/lockdep.h
2017-08-31 12:00:57 +02:00

55 lines
1.5 KiB
C

#ifndef __BACKPORT_LINUX_LOCKDEP_H
#define __BACKPORT_LINUX_LOCKDEP_H
#include_next <linux/lockdep.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
/* Backport of:
*
* commit e159489baa717dbae70f9903770a6a4990865887
* Author: Tejun Heo <tj@kernel.org>
* Date: Sun Jan 9 23:32:15 2011 +0100
*
* workqueue: relax lockdep annotation on flush_work()
*/
#ifdef CONFIG_DEBUG_LOCK_ALLOC
# ifdef CONFIG_PROVE_LOCKING
# define lock_map_acquire_read(l) lock_acquire(l, 0, 0, 2, 2, NULL, _THIS_IP_)
# else
# define lock_map_acquire_read(l) lock_acquire(l, 0, 0, 2, 1, NULL, _THIS_IP_)
# endif
#else
# define lock_map_acquire_read(l) do { } while (0)
#endif
#endif /* < 2.6.38 */
#ifndef lockdep_assert_held
#define lockdep_assert_held(l) do { } while (0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
/* Backport of:
*
* commit 3295f0ef9ff048a4619ede597ad9ec9cab725654
* Author: Ingo Molnar <mingo@elte.hu>
* Date: Mon Aug 11 10:30:30 2008 +0200
*
* lockdep: rename map_[acquire|release]() => lock_map_[acquire|release]()
*/
#ifdef CONFIG_DEBUG_LOCK_ALLOC
# ifdef CONFIG_PROVE_LOCKING
# define lock_map_acquire(l) lock_acquire(l, 0, 0, 0, 2, NULL, _THIS_IP_)
# else
# define lock_map_acquire(l) lock_acquire(l, 0, 0, 0, 1, NULL, _THIS_IP_)
# endif
# define lock_map_release(l) lock_release(l, 1, _THIS_IP_)
#else
# define lock_map_acquire(l) do { } while (0)
# define lock_map_release(l) do { } while (0)
#endif
#endif /* < 2.6.27 */
#endif /* __BACKPORT_LINUX_LOCKDEP_H */