5285 pass in cpu_pause_func via pause_cpus Reviewed by: Robert Mustacchi <rm@joyent.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Gordon Ross <gwr@nexenta.com>

PSARC/2009/104 Hot-Plug Support for ACPI-based Systems PSARC/2009/550 PSMI Extensions for CPU Hotplug PSARC/2009/551 acpihpd ACPI Hotplug Daemon PSARC/2009/591 Attachment Points for Hotpluggable x86 Systems 6862510 provide support for cpu hot add on x86 6883891 cmi interface needs to support dynamic reconfiguration 6884154 x2APIC and kmdb may not function properly during CPU hotplug event. 6904971 low priority acpi nexus code review feedback 6877301 lgrp should support memory hotplug flag in SRAT table

6836576 Integrate CPU Idle Notification into ON PSARC/2009/115 CPU Idle Notification