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If no remote cpus are online, then just quietly skip the remote IPI test for now. Signed-off-by: Don Zickus <dzickus@redhat.com> Cc: andi@firstfloor.org Cc: torvalds@linux-foundation.org Cc: peterz@infradead.org Cc: robert.richter@amd.com Link: http://lkml.kernel.org/r/20111206180859.GR1669@redhat.com Signed-off-by: Ingo Molnar <mingo@elte.hu>