You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.2 KiB
51 lines
1.2 KiB
#ifndef _ASM_IA64_SYNC_BITOPS_H
|
|
#define _ASM_IA64_SYNC_BITOPS_H
|
|
|
|
/*
|
|
* Copyright (C) 2008 Isaku Yamahata <yamahata at valinux co jp>
|
|
*
|
|
* Based on synch_bitops.h which Dan Magenhaimer wrote.
|
|
*
|
|
* bit operations which provide guaranteed strong synchronisation
|
|
* when communicating with Xen or other guest OSes running on other CPUs.
|
|
*/
|
|
|
|
static inline void sync_set_bit(int nr, volatile void *addr)
|
|
{
|
|
set_bit(nr, addr);
|
|
}
|
|
|
|
static inline void sync_clear_bit(int nr, volatile void *addr)
|
|
{
|
|
clear_bit(nr, addr);
|
|
}
|
|
|
|
static inline void sync_change_bit(int nr, volatile void *addr)
|
|
{
|
|
change_bit(nr, addr);
|
|
}
|
|
|
|
static inline int sync_test_and_set_bit(int nr, volatile void *addr)
|
|
{
|
|
return test_and_set_bit(nr, addr);
|
|
}
|
|
|
|
static inline int sync_test_and_clear_bit(int nr, volatile void *addr)
|
|
{
|
|
return test_and_clear_bit(nr, addr);
|
|
}
|
|
|
|
static inline int sync_test_and_change_bit(int nr, volatile void *addr)
|
|
{
|
|
return test_and_change_bit(nr, addr);
|
|
}
|
|
|
|
static inline int sync_test_bit(int nr, const volatile void *addr)
|
|
{
|
|
return test_bit(nr, addr);
|
|
}
|
|
|
|
#define sync_cmpxchg(ptr, old, new) \
|
|
((__typeof__(*(ptr)))cmpxchg_acq((ptr), (old), (new)))
|
|
|
|
#endif /* _ASM_IA64_SYNC_BITOPS_H */
|
|
|