Summary: Remove the separate counting phase of concurrent marking by tracking the amount of marked bytes and the cards spanned by marked objects in marking task/worker thread local data structures, which are updated as individual objects are marked.
Reviewed-by: brutisso, tonyp

7132398: G1: java.lang.IllegalArgumentException: Invalid threshold: 9223372036854775807 > max (1073741824)
Summary: Was not passing the right old pool max to the memory pool constructor in the fix for 7078465.
Reviewed-by: brutisso, johnc

7132311: G1: assert((s == klass->oop_size(this)) || (Universe::heap()->is_gc_active() && ((is_typeArray()...
Summary: Move the check for when to call collect() to before we do a humongous object allocation
Reviewed-by: stefank, tonyp

Summary: Create a handle and fake an object to make sure that we don't loose the memory we just allocated
Reviewed-by: tonyp, stefank

Reviewed-by: johnc, brutisso

Summary: During an initial mark pause, signal the Concurrent Mark thread after the pause output from PrintGC/PrintGCDetails is complete.
Reviewed-by: tonyp, brutisso

Summary: Extend the jmap -heap output for G1 to include some more G1-specific information.
Reviewed-by: brutisso, johnc, poonam

Reviewed-by: tonyp, johnc

Summary: Removed references to CMS in the concurrentMark.cpp/hpp files.
Reviewed-by: tonyp, jmasa, johnc

Summary: There is a high number of mispredicted branches associated with calling BitMap::iteratate() from within CMBitMapRO::iterate(). Implement a version of CMBitMapRO::iterate() directly using inline-able routines.
Reviewed-by: tonyp, iveresov

Reviewed-by: phh, bobv, coleenp, dcubed
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: This change simplifies the interaction between GC and concurrent marking. By disabling survivor spaces during the initial-mark pause we don't need to propagate marks of objects we copy during each GC (since we never need to copy an explicitly marked object).
Reviewed-by: johnc, brutisso

Reviewed-by: tonyp, jmasa

Reviewed-by: brutisso, johnc

Reviewed-by: acorn, phh, dcubed, sspitsyn

Summary: Store the "next chunk start index" in the length field of the to-space object, instead of the from-space object, so that we can always reliably read the size of all from-space objects.
Reviewed-by: johnc, ysr, jmasa

Summary: Setup thread register in MacroAssembler::incr_allocated_bytes() on x64
Reviewed-by: kvn

Summary: Expose existing Management::_begin_vm_creation_time via new accessor Management::begin_vm_creation_time().
Reviewed-by: acorn, dcubed

Reviewed-by: sspitsyn, dcubed, mchung, dholmes

Summary: Use JavaThread::jvmti_thread_state() instead of JvmtiThreadState::state_for().
Reviewed-by: coleenp, poonam, acorn

Summary: Add os::get_last_error(), replace getLastErrorString() by os::lasterror() in os_windows.cpp.
Reviewed-by: kamg, dholmes
Contributed-by: erik.gahlin@oracle.com

Summary: Used uintptr_t and void* for all the casts and checks in test_is_in.
Reviewed-by: tonyp, jmasa

Summary: Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
Contributed-by: karen.kinnear@oracle.com

Summary: Leave i_o attached to slow allocation call when there are no i_o users after the call.
Reviewed-by: iveresov, twisti

Summary: Replaced the code with a ShouldNotReachHere
Reviewed-by: tonyp, jmasa

7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
Summary: Change instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count to u2 type.
Reviewed-by: never, bdelsart, dholmes
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: In os::free_memory() use mmap with the same attributes as for the heap space
Reviewed-by: kvn
Contributed-by: NAleksey Ignatenko <aleksey.v.ignatenko@intel.com>

Summary: Correct Allocate expansion code to preserve i_o when only slow call is generated.
Reviewed-by: iveresov

Summary: Distance is too large for one short branch in string_indexofC8().
Reviewed-by: iveresov

Summary: Parallelize the removal of self forwarding pointers etc. by wrapping in a HeapRegion closure, which is then wrapped inside an AbstractGangTask.
Reviewed-by: tonyp, iveresov

Summary: Introduce a flag that is set when a heap expansion attempt during a GC fails so that we do not consantly attempt to expand the heap when it's going to fail anyway. This not only prevents the excessive ergo output (which is generated when a region allocation fails) but also avoids excessive and ultimately unsuccessful expansion attempts.
Reviewed-by: jmasa, johnc

Summary: fix usage of input register in assembly code for store check.
Reviewed-by: never

Summary: Change ClassFileParser::parseClassFile() to use the instanceKlass:_cached_class_file_bytes field to avoid leaking the cache.
Reviewed-by: coleenp, acorn, poonam

Summary: In CEE, ensure if and common successor state are at the same inline level
Reviewed-by: never

Summary: Handle LVT attribute in the class file reconstitutor.
Reviewed-by: phh, coleenp
Contributed-by: Nthomaswue <thomas.wuerthinger@oracle.com>

Summary: Use a percentage of -Xms as min and another percentage of -Xmx as max for the young gen size
Reviewed-by: tonyp, johnc

Summary: Revamp class os's socket method formal args to match socket.h, insert casts in appropriate places, and copyin-copyout int*'s that s/b socklen_t*'s in jvm.cpp.
Reviewed-by: coleenp, dholmes
Contributed-by: erik.gahlin@oracle.com, rickard.backman@oracle.com, nils.loodin@oracle.com, markus.gronlund@oracle.com

Summary: adds store store barrier after initialization of header and body of objects.
Reviewed-by: never, kvn

Summary: GC crash for explicit stack overflow checks after a C2I transition.
Reviewed-by: coleenp, never
Contributed-by: yang02.wang@sap.com, bertrand.delsart@oracle.com

Summary: Add Flag::external_ext()/writable_ext(), both return false.
Reviewed-by: coleenp, zgu