abrown 347a3b2582 Copy over from libkern:
> Prevent recursive invocation of mcount() while in kernel by setting profiling
> state to BUSY while in mcount(). This allows profiling to work when mcount()
> calls a profiled routine (for example, udiv on the SPARC).
1996-06-29 14:32:58 +00:00
..
1996-05-28 13:34:39 +00:00
1996-06-29 14:32:58 +00:00
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