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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-17 00:51:31 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-17 00:51:31 -0400 |
| commit | a2e30e529a48ef4e106e405f91cf4ae525bb01c4 (patch) | |
| tree | 2def96ef17c0672c30f1a10287552978bf1d0b1c /include/asm-s390/processor.h | |
| parent | edb3366703224d5d8df573ae698ccd6b488dc743 (diff) | |
| parent | 2ad56496627630ebc99f06af5f81ca23e17e014e (diff) | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/asm-s390/processor.h')
| -rw-r--r-- | include/asm-s390/processor.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index 8bd14de69e3..4ec652ebb3b 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -203,7 +203,10 @@ unsigned long get_wchan(struct task_struct *p); # define cpu_relax() asm volatile ("diag 0,0,68" : : : "memory") #else /* __s390x__ */ # define cpu_relax() \ - asm volatile ("ex 0,%0" : : "i" (__LC_DIAG44_OPCODE) : "memory") + do { \ + if (MACHINE_HAS_DIAG44) \ + asm volatile ("diag 0,0,68" : : : "memory"); \ + } while (0) #endif /* __s390x__ */ /* |