hg: jdk7/hotspot-rt/hotspot: 3 new changesets

[daniel.daugherty at oracle.com]

Changeset: 216d916d5c12
Author:    dcubed
Date:      2011-03-15 06:35 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/216d916d5c12

7024234: 2/3 jvmti tests fail assert(!_oops_are_stale) failed: oops are stale on Win-AMD64
Summary: Move initialization of the '_instance' field to avoid race with ServiceThread start.
Reviewed-by: dholmes, kamg, never, dsamersoff, ysr, coleenp, acorn

! src/share/vm/runtime/serviceThread.cpp

Changeset: 46a56fac55c7
Author:    dcubed
Date:      2011-03-15 06:37 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/46a56fac55c7

7024970: 2/3 assert(ServiceThread::is_service_thread(Thread::current())) failed: Service thread must post enqueue
Summary: Change nmethod_lock() to also prevent zombification of the nmethod. CompiledMethodUnload events also need to lock the nmethod. Clean ups in nmethod::make_not_entrant_or_zombie()
Reviewed-by: dholmes, kamg, never, dsamersoff, ysr, coleenp, acorn

! src/share/vm/code/nmethod.cpp
! src/share/vm/code/nmethod.hpp
! src/share/vm/prims/jvmtiImpl.cpp
! src/share/vm/prims/jvmtiImpl.hpp

Changeset: 65f880e2869b
Author:    dcubed
Date:      2011-03-15 06:50 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/65f880e2869b

Merge

! src/share/vm/code/nmethod.cpp
! src/share/vm/code/nmethod.hpp