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(parent: 7d4ce97) | patch
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)
commitc781a402f7e5ee0bdd0e6ac923fe4e57d5e61513
tree6231308c7dbff1ad58e66de14ff5872d61d3577dtree | snapshot
parent7d4ce97483d49046e13ce1f09d90bc0768e107cecommit | diff
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>
arch/s390/kernel/early.c diff | blob | history
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