hg: jdk7u/jdk7u60-dev/hotspot: 5 new changesets

[rob.mckenna at oracle.com]

Changeset: 9790755de9a6
Author:    dsimms
Date:      2013-09-25 13:58 +0200
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u60-dev/hotspot/rev/9790755de9a6

8023956: Provide a work-around to broken Linux 32 bit "Exec Shield" using CS for NX emulation (crashing with SI_KERNEL)
Summary: Execute some code at a high virtual address value, and keep mapped
Reviewed-by: coleenp, zgu

! src/os/linux/vm/os_linux.cpp
! src/os_cpu/linux_x86/vm/os_linux_x86.cpp
! src/os_cpu/linux_x86/vm/os_linux_x86.hpp

Changeset: 72a923f20b6f
Author:    iveresov
Date:      2014-01-17 18:09 -0800
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u60-dev/hotspot/rev/72a923f20b6f

8032207: C2: assert(VerifyOops || MachNode::size(ra_) <= (3+1)*4) failed: bad fixed size
Summary: Fix the sizing of loadUS2L_immI16 and loadI2L_immI
Reviewed-by: kvn, azeemj

! src/cpu/sparc/vm/sparc.ad
+ test/compiler/codegen/LoadWithMask.java

Changeset: 63bf5b308fc7
Author:    iveresov
Date:      2014-01-21 20:05 -0800
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u60-dev/hotspot/rev/63bf5b308fc7

8031743: C2: loadI2L_immI broken for negative memory values
Summary: Restrict loadI2L_imm optimizations to positive values of mask
Reviewed-by: kvn, dlong

! src/cpu/sparc/vm/sparc.ad
! src/cpu/x86/vm/x86_32.ad
! src/cpu/x86/vm/x86_64.ad
+ test/compiler/codegen/LoadWithMask2.java

Changeset: 8695497c703c
Author:    poonam
Date:      2014-02-17 18:14 -0800
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u60-dev/hotspot/rev/8695497c703c

6412968: CMS: Long initial mark pauses
6990419: CMS: Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses
Summary: Backport of fixes for 6412968 and 6990419
Reviewed-by: jmasa

! src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp
! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp
! src/share/vm/memory/defNewGeneration.cpp
! src/share/vm/memory/generation.hpp
! src/share/vm/memory/sharedHeap.cpp
! src/share/vm/runtime/globals.hpp

Changeset: d788d77bc087
Author:    andrew
Date:      2014-02-20 08:30 -0800
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u60-dev/hotspot/rev/d788d77bc087

8024648: 7141246 & 8016131 break Zero port
Reviewed-by: dholmes, coleenp

! make/bsd/makefiles/buildtree.make
! make/bsd/makefiles/gcc.make
! make/bsd/makefiles/vm.make
! make/linux/makefiles/buildtree.make
! make/linux/makefiles/gcc.make
! make/linux/makefiles/vm.make
! src/cpu/zero/vm/entryFrame_zero.hpp
! src/cpu/zero/vm/frame_zero.inline.hpp