s390/nohz: use a per-cpu flag for arch_needs_cpu
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 30 Sep 2014 15:37:52 +0000 (17:37 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 9 Oct 2014 07:14:02 +0000 (09:14 +0200)
Move the nohz_delay bit from the s390_idle data structure to the
per-cpu flags. Clear the nohz delay flag in __cpu_disable and
remove the cpu hotplug notifier that used to do this.

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

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