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| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
| commit | c973b112c76c9d8fd042991128f218a738cc8d0a (patch) | |
| tree | e813b0da5d0a0e19e06de6462d145a29ad683026 /include/asm-s390/processor.h | |
| parent | c5fbc3966f48279dbebfde10248c977014aa9988 (diff) | |
| parent | 00dd1e433967872f3997a45d5adf35056fdf2f56 (diff) | |
| download | blackbird-op-linux-c973b112c76c9d8fd042991128f218a738cc8d0a.tar.gz blackbird-op-linux-c973b112c76c9d8fd042991128f218a738cc8d0a.zip | |
Merge with /shiny/git/linux-2.6/.git
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 8bd14de69e35..4ec652ebb3b1 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__ */ /* |
