Request for reviews (S): 7188227: VM should recognize M-series SPARC

[Vladimir Kozlov]

http://cr.openjdk.java.net/~kvn/7188227/webrev

7188227: VM should recognize M-series SPARC

Hotspot tunes some flags and settings (number of GC threads and other) for 
T-series SPARCs. VM checks kstat data to recognize T-series but it does not 
check for M-series for which the same tuning should be done.

Thanks,
Vladimir