x86: make nmi_cpu_busy() always defined
authorIngo Molnar <mingo@elte.hu>
Fri, 9 Nov 2007 21:39:38 +0000 (22:39 +0100)
committerIngo Molnar <mingo@elte.hu>
Fri, 9 Nov 2007 21:39:38 +0000 (22:39 +0100)
nmi_cpu_busy() must be available on !SMP too.

this is in preparation to a smp_call_function_mask() fix.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

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