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> On Sun, Mar 30, 2003 at 03:40:01PM -0800, Roland McGrath wrote: > > > sparc32 (not v9) lacks compare and swap, so it is implemented using > > > test-and-set and a global lock. IMHO better than no locking at all, > > > performance will suck as usually on those aging boxes. > > > > Are there any actual MP boxes using those chips that Linux runs on? > > Yes, there are. Oh well, tough noogies for them.
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