Summary: If and when the reference handler thread is able to use the discovered field to link reference objects in its pending list, so will GC. In that case, GC will scan through this field once a reference object has been placed on the pending list, but not scan that field before that stage, as the field is used by the concurrent GC thread to link discovered objects. When ReferenceHandleR thread does not use the discovered field for the purpose of linking the elements in the pending list, as would be the case in older JDKs, the JVM will fall back to the old behaviour of using the next field for that purpose.
Reviewed-by: jcoomes, mchung, stefank

Summary: Support interleaving on NUMA systems for collectors that don't have NUMA-awareness.
Reviewed-by: iveresov, ysr
Contributed-by: NTom Deneau <tom.deneau@amd.com>

Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti

Summary: Buffer overflow in os::get_line_chars
Reviewed-by: coleenp, dholmes, dcubed
Contributed-by: aph@redhat.com

Summary: Align the reserved size of the heap and perm to the heap region size to get a preferred heap base that is aligned to the region size, and call the correct heap reservation constructor. Also add a check in the heap reservation code that the reserved space starts at the requested address (if any).
Reviewed-by: kvn, ysr

Reviewed-by: jrose, twisti
Contributed-by: NXerxes Ranby <xerxes@zafena.se>

Reviewed-by: kvn

Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

Summary: Added feedback disabling flag to common(), fixed handling of TieredStopAtLevel.
Reviewed-by: kvn, never

Summary: Use new VIS3 mov instructions on T4 for move data between general and float registers.
Reviewed-by: never, twisti

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Reviewed-by: dholmes, never, jwilhelm, kvn

Summary: Recompile the enclosing methods without inlining of the method that has OSRed to level 4 or recompile the enclosing method at level 4.
Reviewed-by: kvn, never

Summary: Take into account current state of profiling before believing that existing higher level versions are valid
Reviewed-by: kvn, never

Summary: Also reviewed by mikael.gerdin@oracle.com; stdlib:qsort() does byte-by-byte swapping on Windows. This leads to pointer shearing. Fix is to implement a quicksort that does full pointer updates.
Reviewed-by: never, coleenp, ysr

Reviewed-by: jrose, twisti, bdelsart

Reviewed-by: twisti, kvn, jrose

Summary: It turns out that there is no need to explicitly stop CMS since the JVM is taken down at a terminal safepoint during which CMS threads are (terminally) inactive. This  will need to be revised if and when we evolve in the future to a point where we allow JVM reincarnation in the same process, but those changes will be much more sweeping than just terminating CMS threads. The unused ::stop() methods will be removed in a separate CR. Also include in this CR is the fix for a small typo in the spelling of UseGCLogFileRotation in a message in arguments.cpp, brought to our attention by Rainer Jung and reviewed by minqi.
Reviewed-by: johnc, jwilhelm

Summary: supply optinal flags to realize gc log rotation
Reviewed-by: ysr, jwilhelm

Reviewed-by: kvn, jrose

Summary: change the default setting of the flag AllowInvokeGeneric to false
Reviewed-by: never

Reviewed-by: jrose

Reviewed-by: kvn, iveresov

Summary: Add a notification to the GarbageCollectorMXBeans
Reviewed-by: acorn, mchung

Reviewed-by: kvn, coleenp

Summary: Fixed the warning, also fixed copyrights in a bunch of files.
Reviewed-by: johnc, kvn

6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
Summary: Fixed process_chunk_boundaries(), used for parallel card scanning when using ParNew/CMS, so as to prevent double-scanning, or worse, non-scanning of imprecisely marked objects exceeding parallel chunk size. Made some sizing parameters for parallel card scanning diagnostic, disabled ParallelGCRetainPLAB, and elaborated and clarified some comments.
Reviewed-by: stefank, johnc

Reviewed-by: kvn

Reviewed-by: twisti, jrose

Reviewed-by: kvn, iveresov

Summary: Change call to Abstract_VM_Version::vm_info_string to VM_Version::vm_info_string so it cna be overridden by the arch specific VM_Version class
Reviewed-by: bobv, phh

Summary: Expand the old gen in bigger increments
Reviewed-by: jmasa

Summary: Fix integer overflow problem in the code generated by loop optimizer.
Reviewed-by: never

Reviewed-by: kvn, iveresov

Reviewed-by: kvn, twisti

Summary: BlockOffsetArrayUseUnallocatedBlock was intended to be turned off as part of BUG 6948538 but a code line in collectorPolicy.cpp actually kept it turned on.
Reviewed-by: jwilhelm, ysr

Summary: Turn on UseLargePages by default but try only HugeTLBFS method if it is not explicitly specified on the command line.
Reviewed-by: ysr