ia64/linux-2.6.18-xen.hg

view kernel/mutex.h @ 912:dd42cdb0ab89

[IA64] Build blktap2 driver by default in x86 builds.

add CONFIG_XEN_BLKDEV_TAP2=y to buildconfigs/linux-defconfig_xen_ia64.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Mon Jun 29 12:09:16 2009 +0900 (2009-06-29)
parents 831230e53067
children
line source
1 /*
2 * Mutexes: blocking mutual exclusion locks
3 *
4 * started by Ingo Molnar:
5 *
6 * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
7 *
8 * This file contains mutex debugging related internal prototypes, for the
9 * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
10 */
12 #define spin_lock_mutex(lock, flags) \
13 do { spin_lock(lock); (void)(flags); } while (0)
14 #define spin_unlock_mutex(lock, flags) \
15 do { spin_unlock(lock); (void)(flags); } while (0)
16 #define mutex_remove_waiter(lock, waiter, ti) \
17 __list_del((waiter)->list.prev, (waiter)->list.next)
19 #define debug_mutex_set_owner(lock, new_owner) do { } while (0)
20 #define debug_mutex_clear_owner(lock) do { } while (0)
21 #define debug_mutex_wake_waiter(lock, waiter) do { } while (0)
22 #define debug_mutex_free_waiter(waiter) do { } while (0)
23 #define debug_mutex_add_waiter(lock, waiter, ti) do { } while (0)
24 #define debug_mutex_unlock(lock) do { } while (0)
25 #define debug_mutex_init(lock, name, key) do { } while (0)
27 static inline void
28 debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
29 {
30 }