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| author | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-09-19 01:56:44 -0400 |
| commit | 0612ec48762bf8712db1925b2e67246d2237ebab (patch) | |
| tree | 01b0d69c9c9915015c0f23ad4263646dd5413e99 /include/asm-s390/processor.h | |
| parent | 4263cf0fac28122c8381b6f4f9441a43cd93c81f (diff) | |
| parent | 47a5c6fa0e204a2b63309c648bb2fde36836c826 (diff) | |
| download | op-kernel-dev-0612ec48762bf8712db1925b2e67246d2237ebab.zip op-kernel-dev-0612ec48762bf8712db1925b2e67246d2237ebab.tar.gz | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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. |
