- remove the hotplug lock from around much of fork(), and re-copy the
  cpus_allowed mask to solve the hotplug race cleanly.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>