hg: hsx/hotspot-gc/hotspot: 7129892: G1: explicit marking cycle initiation might fail to initiate a marking cycle

[tony.printezis at oracle.com]

Changeset: caa4652b4414
Author:    tonyp
Date:      2012-02-14 08:21 -0500
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/caa4652b4414

7129892: G1: explicit marking cycle initiation might fail to initiate a marking cycle
Summary: If we try to schedule an initial-mark GC in order to explicit start a conc mark cycle and it gets pre-empted by antoher GC, we should retry the attempt as long as it's appropriate for the GC cause.
Reviewed-by: brutisso, johnc

! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp