Summary: Prepare Zero build for backport of JDK-8062808.
Reviewed-by: sgehwolf

Summary: increase code_size2 for stubs
Reviewed-by: iveresov

Summary: Prevent downgraded compilation tasks from recompiling.
Reviewed-by: sgehwolf, thartmann, andrew

Summary: Summary: os::readdir uses POSIX readdir, drop buffer arg, fix JFR uses.
Reviewed-by: coleenp, tschatzl, bsrbnd, shade, phh

Summary: implement os::set_native_thread_name() on windows, linux
Reviewed-by: sla, ctornqvi, simonis
Contributed-by: thomas.stuefe@sap.com

Summary: Add tag bit to all JNI weak handles
Reviewed-by: kbarrett, coleenp, tschatzl

Reviewed-by: tbell, asaha

Reviewed-by: erikj, dholmes

Summary: Introduce alignment-safe Copy::conjoint_swap and JVM_CopySwapMemory
Reviewed-by: mikael, dholmes

Summary: Backport from JDK9
Reviewed-by: dholmes, coffeys

Reviewed-by: acorn, coleenp, kvn, vlivanov

Reviewed-by: tschatzl

Reviewed-by: dholmes

Reviewed-by: dholmes

Reviewed-by: bobv, dbuck

Reviewed-by: bobv, dbuck

8164480: Crash with assert(handler_address == SharedRuntime::compute_compiled_exc_handler(..) failed: Must be the same
Summary: Exception checking code needs to handle pre-allocated exceptions.
Reviewed-by: thartmann, kvn

Reviewed-by: dholmes

Reviewed-by: jrose, coleenp, ahgross, acorn, vlivanov

Summary: Bias compiler thread's resource area to mtCompiler
Reviewed-by: kvn, coleenp

Summary: Set UseLoopCounter ergonomically if on-stack-replacement is enabled. Print warning.
Reviewed-by: kvn

6651256: jstack: DeleteGlobalRef method call doesn't lead to descreasing of global refs count shown by jstack
Summary: jni_DeleteGlobalRef does not really release the jni handle, instead, set the handle point to JNIHandles::_deleted_handle which holds an oop instance (java/lang/Object) in Java heap and never be GC'ed. When counting number of global reference, it counts all the handles on the chain list, which includes the already deleted ones.
Reviewed-by: zgu, sla, coleenp
Contributed-by: yumin.qi@oracle.com

Reviewed-by: kvn, dholmes, bobv

Reviewed-by: kvn, dholmes, bobv

Summary: The GetOwnedMonitorInfo() should not return a pending monitor
Reviewed-by: dcubed

Summary: Fixed missing null checks on the result of CodeCache::find_blob() found by Parfait.
Reviewed-by: shade, kvn

Summary: Make appending found dead BasicHashtableEntrys to the free list atomic.
Reviewed-by: ehelin, shade

Reviewed-by: kbarrett, stefank

Reviewed-by: kbarrett, stefank

8143897: Weblogic12medrec assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true)) failed: Must be the same
Reviewed-by: kvn, mdoerr

Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

Reviewed-by: kvn, vlivanov, dlong, rhalade, mschoene, iignatyev

Summary: Add support for VM_Version::L1_data_cache_line_size().
Reviewed-by: dsimms, kvn, dholmes

Summary: Add support for VM_Version::L1_data_cache_line_size().
Reviewed-by: dsimms, kvn, dholmes

Summary: Use the Events::log function to save redefined classes for output to the hs_err file
Reviewed-by: dholmes

Summary: Applied RMs in sweep_code_cache and related codes.
Reviewed-by: kvn, thartmann

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, gtriantafill
Contributed-by: NChristine Flood <chf@redhat.com>

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, gtriantafill
Contributed-by: NChristine Flood <chf@redhat.com>

8170888: [linux] Experimental support for cgroup memory limits in container (ie Docker) environments
Summary: Set apparent physical memory to cgroup memory limit when UseCGroupMemoryLimitForHeap is true
Reviewed-by: acorn, gtriantafill
Contributed-by: NChristine Flood <chf@redhat.com>

Summary: Use the initial active processor count for memory initialization instead of the current active one.
Reviewed-by: dholmes, mgerdin