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| author | Paul Mackerras <paulus@samba.org> | 2006-08-01 10:37:25 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-08-01 10:37:25 +1000 |
| commit | 57cad8084e0837e0f2c97da789ec9b3f36809be9 (patch) | |
| tree | e9c790afb4286f78cb08d9664f58baa7e876fe55 /include/asm-s390/processor.h | |
| parent | cb18bd40030c879cd93fef02fd579f74dbab473d (diff) | |
| parent | 49b1e3ea19b1c95c2f012b8331ffb3b169e4c042 (diff) | |
| download | op-kernel-dev-57cad8084e0837e0f2c97da789ec9b3f36809be9.zip op-kernel-dev-57cad8084e0837e0f2c97da789ec9b3f36809be9.tar.gz | |
Merge branch 'merge'
Diffstat (limited to 'include/asm-s390/processor.h')
| -rw-r--r-- | include/asm-s390/processor.h | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index c5cbc4b..5b71d37 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -199,15 +199,13 @@ unsigned long get_wchan(struct task_struct *p); /* * Give up the time slice of the virtual PU. */ -#ifndef __s390x__ -# define cpu_relax() asm volatile ("diag 0,0,68" : : : "memory") -#else /* __s390x__ */ -# define cpu_relax() \ - do { \ - if (MACHINE_HAS_DIAG44) \ - asm volatile ("diag 0,0,68" : : : "memory"); \ - } while (0) -#endif /* __s390x__ */ +static inline void cpu_relax(void) +{ + if (MACHINE_HAS_DIAG44) + asm volatile ("diag 0,0,68" : : : "memory"); + else + barrier(); +} /* * Set PSW to specified value. |
