hg: jdk7/hotspot/hotspot: 3 new changesets

[lev.serebryakov at sun.com]

Changeset: 24fda36852ce
Author:    coleenp
Date:      2008-12-10 15:14 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/24fda36852ce

6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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

! src/os/linux/vm/os_linux.cpp
! src/os/solaris/vm/os_solaris.cpp
! src/os/windows/vm/os_windows.cpp
! src/os_cpu/linux_x86/vm/os_linux_x86.cpp
! src/os_cpu/solaris_x86/vm/os_solaris_x86.cpp
! src/share/vm/prims/jni.cpp
! src/share/vm/runtime/os.cpp
! src/share/vm/runtime/os.hpp

Changeset: a7fac4381b50
Author:    blacklion
Date:      2008-12-11 03:22 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/a7fac4381b50

6639341: sometimes contended-exit event comes after contended-entered on another thread
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

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

Changeset: 06d2c3204df4
Author:    blacklion
Date:      2008-12-12 10:19 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/06d2c3204df4

Merge