Commit | Line | Data |
---|---|---|
feaf7cf1 BB |
1 | #ifndef _ASM_POWERPC_SYNCH_H |
2 | #define _ASM_POWERPC_SYNCH_H | |
88ced031 | 3 | #ifdef __KERNEL__ |
feaf7cf1 | 4 | |
144b9c13 AB |
5 | #include <linux/stringify.h> |
6 | ||
feaf7cf1 BB |
7 | #ifdef __powerpc64__ |
8 | #define __SUBARCH_HAS_LWSYNC | |
9 | #endif | |
10 | ||
11 | #ifdef __SUBARCH_HAS_LWSYNC | |
12 | # define LWSYNC lwsync | |
13 | #else | |
14 | # define LWSYNC sync | |
15 | #endif | |
16 | ||
feaf7cf1 | 17 | #ifdef CONFIG_SMP |
4f629d7d | 18 | #define ISYNC_ON_SMP "\n\tisync\n" |
144b9c13 | 19 | #define LWSYNC_ON_SMP __stringify(LWSYNC) "\n" |
feaf7cf1 | 20 | #else |
feaf7cf1 | 21 | #define ISYNC_ON_SMP |
144b9c13 | 22 | #define LWSYNC_ON_SMP |
feaf7cf1 BB |
23 | #endif |
24 | ||
25 | static inline void eieio(void) | |
26 | { | |
27 | __asm__ __volatile__ ("eieio" : : : "memory"); | |
28 | } | |
29 | ||
30 | static inline void isync(void) | |
31 | { | |
32 | __asm__ __volatile__ ("isync" : : : "memory"); | |
33 | } | |
34 | ||
88ced031 | 35 | #endif /* __KERNEL__ */ |
feaf7cf1 | 36 | #endif /* _ASM_POWERPC_SYNCH_H */ |