hg: jdk7/hotspot-gc/hotspot: 6816154: G1: introduce flags to enable/disable RSet updating and scanning

[antonios.printezis at sun.com]

Changeset: 2a5da27ccae9
Author:    tonyp
Date:      2009-03-16 10:52 -0400
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/2a5da27ccae9

6816154: G1: introduce flags to enable/disable RSet updating and scanning
Summary: Introduces two flags, -XX:-/+G1EnableParallelRSetUpdating and -XX:-/+G1EnableParallelRSetScanning, to turn on/off the "band aid" fix that serializes RSet updating / scanning during GCs.
Reviewed-by: iveresov

! src/share/vm/gc_implementation/g1/g1RemSet.cpp
! src/share/vm/gc_implementation/g1/g1_globals.hpp