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[S390] Small barrier() and cpu_relax() cleanup.

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cpu_relax() has barrier() semantics hence there is no need to use both
of them in conjunction in sclp_sync_wait(). Also change cpu_relax()
so it's more obvious that it has barrier semantics.

Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
This commit is contained in:
Heiko Carstens 2007-02-05 21:17:20 +01:00 • committed by Martin Schwidefsky
commit c48e09131b
2 changed files with 2 additions and 4 deletions
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1
drivers/s390/char/sclp.c
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@ -433,7 +433,6 @@ sclp_sync_wait(void)
get_clock() > timeout &&
del_timer(&sclp_request_timer))
sclp_request_timer.function(sclp_request_timer.data);
barrier();
cpu_relax();
}
local_irq_disable();