Robert Watson 1a8cfbc450 Pass a thread argument into cpu_critical_{enter,exit}() rather than
dereference curthread.  It is called only from critical_{enter,exit}(),
which already dereferences curthread.  This doesn't seem to affect SMP
performance in my benchmarks, but improves MySQL transaction throughput
by about 1% on UP on my Xeon.

Head nodding:	jhb, bmilekic
2004-07-27 16:41:01 +00:00
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