tree fb9178ff79bfd9ee3b396ff20018eacbfb222d47
parent 496203b15b7249599712525c2b6aafe231b4628d
author Isaku Yamahata <yamahata@valinux.co.jp> 1236168340 +0900
committer Tony Luck <tony.luck@intel.com> 1238089842 -0700

ia64/pv_ops/pv_time_ops: add sched_clock hook.

add sched_clock() hook to paravirtualize sched_clock().
ia64 sched_clock() is based on ar.itc which isn't stable
on virtualized environment because vcpu may move around on
pcpus. So it needs paravirtualization.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>