hg: jigsaw/m2/hotspot: Eliminate read lock, document format in header file, other clean-ups

[alan.bateman at oracle.com]

Changeset: 7b6ba591f006
Author:    alanb
Date:      2014-11-07 13:32 +0000
URL:       http://hg.openjdk.java.net/jigsaw/m2/hotspot/rev/7b6ba591f006

Eliminate read lock, document format in header file, other clean-ups
Contributed-by: james.laskey at oracle.com

! src/os/aix/vm/os_aix.cpp
! src/os/bsd/vm/os_bsd.cpp
! src/os/linux/vm/os_linux.cpp
! src/os/solaris/vm/os_solaris.cpp
! src/os/windows/vm/os_windows.cpp
! src/share/vm/classfile/classLoader.cpp
! src/share/vm/classfile/classLoader.hpp
! src/share/vm/classfile/imageFile.cpp
! src/share/vm/classfile/imageFile.hpp
! src/share/vm/runtime/os.hpp