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s390/spinlock: disabled compare-and-delay by default
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 19 Feb 2015 16:53:16 +0000 (17:53 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 19 Feb 2015 17:05:38 +0000 (18:05 +0100)
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>
arch/s390/kernel/early.c patch | blob | history

diff --cc arch/s390/kernel/early.c
Simple merge
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