tree 7e8569cb99f6792bb436a07ec5ea45632b9c4ecf
parent 470fd646444c65a5d062a371f5ec8dcedee61239
author KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> 1192776047 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1192820024 -0700

CPU HOTPLUG: avoid hotadd when proper possible_map isn't specified

cpu-hot-add should be fail if cpu is not set in cpu_possible_map.  If go
ahead, the system will panic soon.

Especially, arch which requires additional_cpus= parameter should handle
this.  Tested on ia64.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>