Bruce M Simpson wrote: >Have a look at Linux. They ended up doing a runtime self-modifying kernel >hack so they could ship generic kernels which used the appropriate locking >instructions on each x86 family CPU. > > The idea of using self-modification to select locking modes (although for optional preemption, SMP and debugging rather than CPU model) is also described in a DEC Technical Journal article: http://research.compaq.com/wrl/DECarchives/DTJ/DTJF03/DTJF03SC.TXT I'm not sure whether the Linux implementation uses the same technique.Received on Fri Aug 06 2004 - 06:30:07 UTC
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