[XFS] Fix merge failures
[pandora-kernel.git] / arch / powerpc / include / asm / synch.h
1 #ifndef _ASM_POWERPC_SYNCH_H 
2 #define _ASM_POWERPC_SYNCH_H 
3 #ifdef __KERNEL__
4
5 #include <linux/stringify.h>
6 #include <asm/feature-fixups.h>
7
8 #if defined(__powerpc64__) || defined(CONFIG_PPC_E500MC)
9 #define __SUBARCH_HAS_LWSYNC
10 #endif
11
12 #ifndef __ASSEMBLY__
13 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
14 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
15                              void *fixup_end);
16
17 static inline void eieio(void)
18 {
19         __asm__ __volatile__ ("eieio" : : : "memory");
20 }
21
22 static inline void isync(void)
23 {
24         __asm__ __volatile__ ("isync" : : : "memory");
25 }
26 #endif /* __ASSEMBLY__ */
27
28 #if defined(__powerpc64__)
29 #    define LWSYNC      lwsync
30 #elif defined(CONFIG_E500)
31 #    define LWSYNC                                      \
32         START_LWSYNC_SECTION(96);                       \
33         sync;                                           \
34         MAKE_LWSYNC_SECTION_ENTRY(96, __lwsync_fixup);
35 #else
36 #    define LWSYNC      sync
37 #endif
38
39 #ifdef CONFIG_SMP
40 #define ISYNC_ON_SMP    "\n\tisync\n"
41 #define LWSYNC_ON_SMP   stringify_in_c(LWSYNC) "\n"
42 #else
43 #define ISYNC_ON_SMP
44 #define LWSYNC_ON_SMP
45 #endif
46
47 #endif /* __KERNEL__ */
48 #endif  /* _ASM_POWERPC_SYNCH_H */