Summary: Remove usage of _highest_lock field in Thread so that is_lock_owned won't depend on the correct update of that field.
Reviewed-by: never, dice, acorn

Reviewed-by: xlu, coleenp, kamg, swamyv

Summary: Support multiplex and mutable sun.boot.library.path
Reviewed-by: acorn, dcubed, xlu

Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose

Summary: Tune C2 flags default values for performance.
Reviewed-by: never, phh, iveresov, jmasa, ysr

Summary: When using compressed oops, rather than chaining the overflowed grey objects' pre-images through their klass words, we use GC-worker thread-local overflow stacks.
Reviewed-by: jcoomes, jmasa

Summary: heapOopSize symbol should be declared as constant in vmStructs and should not be looked up in readVMIntConstants().
Reviewed-by: never, swamyv, coleenp

Reviewed-by: kvn, phh

Reviewed-by: iveresov, tonyp

Summary: Add executable parameters to reserve_memory and commit_memory to reduce executable memory to only the Code Heap.
Reviewed-by: xlu, kvn, acorn

Summary: Change create_vm() to load and initialize StringValue rather than String.
Reviewed-by: kvn

Summary: preparatory but separable changes for method handles
Reviewed-by: kvn, never

Summary: Allow Hotspot builds with latest Windows SDK 6.1 on 64bit Windows 2003
Reviewed-by: ohair, tbell, jcoomes

Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never

Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

Summary: Allocate worker-local overflow stacks, introduced in 6819891, along with ParNewGeneration, rather than with the per-scavenge ParScanThreadState.
Reviewed-by: jmasa

Summary: Call newly created CollectedHeap::dump_{pre,post}_full_gc before and after every stop-world full collection cycle on GenCollectedHeap and ParallelScavengeHeap. (Support for G1CollectedHeap forthcoming under CR 6810861.) Small modifications to existing heap dumping and class histogram implementation, especially to allow multiple on-the-fly histos/dumps by the VM thread during a single safepoint.
Reviewed-by: jmasa, alanb, mchung

Summary: Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.
Reviewed-by: acorn, swamyv

Summary: Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv

Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

Summary: replaced localtime() with localtime_r() on Solaris and Linux.
Reviewed-by: apetrusenko, dholmes, jmasa

Summary: Substitute a spin loop for most calls to yield() to reduce the stress on the system.
Reviewed-by: tonyp

Summary: Add new product flag -XX:+IgnoreUnrecognizedVMOptions
Reviewed-by: ysr, xlu

Summary: Increased the default and maximum size of the CMS marking stack and the size of the parallel workers' work queues in 64-bit mode. The latter was accomplished by an increase in the width of the Taskqueue's Age struct and its Tag field in 64-bit mode.
Reviewed-by: jmasa, tonyp

Summary: Avoid overflow list walk in CMS & ParNew when it is unnecessary. Fix a couple of correctness issues, including a C-heap leak, in ParNew at the intersection of promotion failure, work queue overflow and object array chunking. Add stress testing option and related assertion checking.
Reviewed-by: jmasa

Summary: During argument processing, add alt-rt.jar to the bootclasspath between bootclasspath/p and default elements.
Reviewed-by: xlu, coleenp

Summary: VM support for deadlock fix. Library fix in 4735126. See API proposal.
Reviewed-by: dholmes, blacklion

Summary: Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2
Reviewed-by: jcoomes, acorn, phh, never

Summary: Replaces SharedRuntime::f2i et al with versions that should work
Reviewed-by: never
Contributed-by: gbenson@redhat.com

6786340: hs14b09a pit: a lot of tests failed in "-server -Xcomp" on solaris-amd64 using fastdebug bits
Summary: Fixes the nsk-jdi PIT failures introduced by fix for 6739363
Reviewed-by: kvn, coleenp

Summary: Update copyright for files that have been modified starting July 2008 to Dec 2008
Reviewed-by: katleman, ohair, tbell

Reviewed-by: ysr, mchung

Reviewed-by: jmasa

Reviewed-by: apetrusenko, ysr

Summary: DTrace probe "contended-exit" should be fired before unparking object, or context could be lost. Probe firing was moved to proper place.
Reviewed-by: coleenp, kamg

Summary: Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.
Reviewed-by: acorn, jcoomes

Summary: temporarily turn off LinkWellKnownClasses optimization
Reviewed-by: never, kvn

Summary: Fix adds support for verifying arguments with -Xcheck:jni.
Reviewed-by: coleenp

Summary: In os::Linux::rebuild_cpu_to_node_map() fix the size of the CPU bitmap. Fixed arithmetic in MutableNUMASpace::adaptive_chunk_size() that could cause overflows and underflows of the chunk_size variable.
Reviewed-by: apetrusenko