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yaml
---
r: 116775
b: refs/heads/master
c: 1b051c6
h: refs/heads/master
i:
  116773: 515e97e
  116771: 4453456
  116767: 5838d8f
v: v3
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Isaku Yamahata authored and Tony Luck committed Oct 17, 2008
1 parent b6e9f90 commit 3ee0967
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: da0ac27213d6f8f7d6ca918031572eaf7f14dca3
refs/heads/master: 1b051c6be34b3b06fa1244d9fcd47f91fb6aca1c
51 changes: 51 additions & 0 deletions trunk/arch/ia64/include/asm/sync_bitops.h
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#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 */

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