Martin Schwidefsky 61b0b01686 s390/spinlock: disabled compare-and-delay by default ...

Until we have hard performance data about the effects of CAD in the
spinlock loop disable the instruction by default.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2015-02-19 18:05:38 +01:00

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