Open-MX 1.5.4 (December 15th 2014)
==================================

Improvements from previous release:
* Fix dmaengine build for 3.9 and 3.13 kernel changes.
* Fix skbuff headers detection for 3.11 kernel.

Caveats:
* No background progression or retransmission is done if the application
  does not invoke an Open-MX routine explicitly.

Open-MX 1.5.3 (February 19th 2013)
==================================

Improvements from previous release:
* Fix build when the kernel has DMA_ENGINE without NET_DMA.
  Thanks to Sébastien Varrette for reporting the problem.
* Fix build with 3.5+ kernels where kmap_atomic changed.
* Fix debug driver build with recent kernels (-O0 is not supported).

Open-MX 1.5.2 (February 21st 2012)
==================================

Improvements from previous release:
* Fix build on Linux 3.2 kernel.
* Misc minor improvements in the driver.

Open-MX 1.5.1 (October 5th 2011)
================================
The Ludovic release.

Improvements from previous release:
* Fix a memory leak when trying to open a busy endpoint.
* Fix a memory leak when passing the ifnames module parameter
  multiple times.

Open-MX 1.5.0 (August 11th 2011)
================================

Improvements from previous release:
* Fix udev detection when /run is available.
* Several minor fixes.

Open-MX 1.4.901 aka 1.5-rc1 (June 8th 2011)
===========================================

Improvements from previous release:
* Initialize endpoint address context to NULL to match MX behavior
  (required for PVFS2).
* Make the library thread-safe even when multiple threads manipulate
  different endpoints simultaneously.
* Modify the requirements on the target kernel configuration to better
  cope with current distribution kernels.
* Show driver configuration summary at the end of configure.
* Add support for DMA engine on RHEL/CentOS 5 kernels.
* Fix support for Linux kernel 3.x releases.
* Several minor fixes.

Open-MX 1.4.0 (March 22nd 2011)
===============================

Improvements from previous release:
* Fix the management of the driver build against a non-running kernel.
* Better support for miscellaneous modutils program installation path.

Open-MX 1.3.901 aka 1.4-rc1 (February 14th 2011)
================================================

Major improvements from previous release:
* Rework the event delivery from the driver to the user-space library
  so as to reduce cache invalidation and locking.

Other improvements from previous release:
* Use get_user_pages_fast() to slightly improve memory pinning performance.

Open-MX 1.3.4 (December 16th 2010)
==================================

Bug fixes:
* Fix check_kernel_headers.sh to properly execute as a shell script in
  a portable manner.
* Fix a possible memory corruption that could occur if an application's
  page gets swapped out right after receiving a large message.

Other improvements from previous release:
* Many interrupt-related clarifications in the FAQ.
* Don't have GPL headers in common/ contaminate the LGPL library.

Open-MX 1.3.3 (October 15th 2010)
=================================

Bug fixes:
* Make omx_set_error_handler() work before omx_init().
* Initialize the error handler early in omx_init() so as to use the
  normal error handler as soon possible.
* Do not mix expected and unexpected event queue full in the counters.

Other improvements from previous release:
* Update documentation about the switch from SVN to GIT.

Open-MX 1.3.2 (August 25th 2010, svn r3177)
===========================================
The no-kernel-thread release.

Bug fixes:
* Fix wire-compatibility with MX for medium messages by properly using
  the fragment pipeline log on the receive side.

Other improvements from previous release:
* Add OMX_RNDV_THRESHOLD environment variable to tune the eager/rendezvous
  threshold (32kB by default) for inter-node communication.
  + Add --with-medium-frags configure option to make the rendezvous
    threshold further tunable if needed.
* Add DKMS support to ease automatic rebuild of the kernel driver
  when a new kernel is installed, see the FAQ for details.
* Drop the open-mxd kernel thread in favor of deferred works and
  kernel timers.
* Update to mx_pingpong from MX 1.2.12 so as to restore its compatibility.

Open-MX 1.3.1 (August 4th 2010, svn r3111)
==========================================
The out-of-order unexpected release.

Bug fixes:
* Fix in-order matching when many unexpected messages arrive out-of-order.
* Fix omx_init when running from /etc/init.d on some distributions.
* Clarify the management of connection nacks so that multiple connect
  requests to the same invalid peer fail properly.

Other improvements from previous release:
* Remove the old omx_check.sh script and document the new omx_check
  testing infrastructure.

Open-MX 1.3.0 (July 12th 2010, svn r3078)
=========================================

Bug fixes:
* Properly build non-debug libraries with -O2.

Other improvements from previous release:
* Install more internal MX API compatibility headers so that OpenMPI
  enables MX internal symbols when configured on top of Open-MX.
* Miscellaneous minor fixes.

Open-MX 1.2.903 aka 1.3-rc3 (June 24th 2010, svn r3060)
=======================================================

Bug fixes:
* Further fix the management of skb destructors by using shared info
  destructor data in recent kernels and reverting to the old code
  in earlier kernels.

Other improvements from previous release:
* Add a new test infrastructure in parallel of the old omx_check.sh
  script.
* Miscellaneous minor fixes all over the place.

Open-MX 1.2.902 aka 1.3-rc2 (June 9th 2010, svn r3022)
======================================================
The skb->cb release.

Bug fixes:
* Fix the management of skb destructors to be compatible with 2.6.33
  Linux kernel and later.

Other improvements from previous release:
* Make omx_check.sh work from the build directory before make install.
* Fix Valgrind requirements during configure.
* Some minor fixes to the build system.
* Clarify thread-safety in the FAQ.

Open-MX 1.2.901 aka 1.3-rc1 (May 20th 2010, svn r2984)
======================================================
The automake release.

Bug fixes:
* Fix checksumming of unexpected self messages.
* Fix build with Linux kernel 2.6.33 and 2.6.34.
* Fix omxoed to generate a consistent mapper id across the fabric.
* Improve the ABI of some internal symbols so that Open MPI generates
  the right unique network id.

Other improvements from previous release:
* Large cleanup of the build system by switching to automake.
* Miscellaneous minor fixes all over the place.
* Fix many warnings with picky compilers.

Open-MX 1.2.1 (February 8th 2010, svn r2888)
============================================

Bug fixes:
* Fix a potential memory corruption of the destination buffer address
  when receiving expected messages.

Other improvements from previous release:
* Cleanup the management of KCC and KARCH for configuring the kernel build.
* Add OMX_DEBUG_CHECKSUM to detect end-to-end data corruption when debug
  is enabled.
* Add open-mx.spec to ease RPM package build.
* Update the FAQ and install it in the documentation install directory.

Open-MX 1.2.0 (December 15th 2009, svn r2835)
=============================================

Bug fixes:
* Fix the build of recent Myricom FMS.
* Fix build with final Linux kernel 2.6.32.

Open-MX 1.1.903 aka 1.2-rc3 (December 1st 2009, svn r2826)
==========================================================

Bug fixes:
* Fix installation when using DESTDIR.
* Use udev last_rule option to make sure that no default rule will
  ever override Open-MX rules.

Other improvements from previous release:
* Miscellaneous documentation updates.
* Cleanup the verbose message prefix.
* Drop features that were deprecated since 1.1:
  + make installonly (use make install instead).
  + IFACES in the open-mx.conf file (use OMX_IFACES instead).

Open-MX 1.1.902 aka 1.2-rc2 (October 23rd 2009, svn r2802)
==========================================================

Bug fixes:
* Redirect omxoed errors to /var/log/omxoed.log so that we can
  avoid hangs when running omx_init through ssh.
* Fix build with the intel compiler icc.
* Fix build with against 2.6.32 kernels.
* Fix the management of the medium message fragment size.
* Fix an invalid assertion when inserting an early medium fragment
  at the beginning of the partner early queue.
* Fix some possible aliasing problems.

Other improvements from previous release:
* Add --with-shared-ring-entries to reduce vmalloc memory requirements.
* Misc documentation updates.

Open-MX 1.1.901 aka 1.2-rc1 (September 23rd 2009, svn r2757)
============================================================
The OpenMPI regcache release.

Major improvements from previous release:
* Implement mx__regcache_clean() properly so that OpenMPI forcing
  MX_RCACHE=2 does not cause data corruption.
* Use dlmalloc internally so that OpenMPI cannot cause deadlock by
  trying to cleanup the regcache when it intercept Open-MX internal
  allocations. --disable-internal-malloc may disable it.

Bug fixes:
* Fix the truncating of medium messages on the receive side so as to
  not write outside of the receive buffer.
* Fix the transferred length reported on the sender when discarding
  a large message in the unexpected handler.
* Fix some potential aliasing problems in the library.

Other improvements from previous release:
* Pass the medium message data to the unexpected handler when a single
  fragment is used, as MX does.
* Report information about all boards by default in omx_counters and
  omx_endpoint_info.
* Add OMX_IGNORE_MX_ENV environment variable to disable MX environment
  variables.
* Improve kernel detection and configuration messages.
* Misc coding-style, tools and documentation improvements.

Open-MX 1.1.1 (August 3rd 2009, svn/open-mx-1.1.x r2693)
========================================================
The multirail release.

Bug fixes:
* Change the reverse peer index table into a per-interface table to
  prevent messages from being delivered to the wrong boards in some
  multirail configurations.
* Add the OMX_CONNECT_POLLALL environment variable to enforce polling
  on all endpoints while waiting for a connect request to complete,
  work around for connection deadlocks in multirail configurations.
* Change some globals to endpoint-specific variables so that multiple
  endpoints within a single endpoint actually get their progression.
* Fix the management of local peers when clearing the peer table.
* Fix completion of requests in case of timeout.
* Fix destroying of incomplete large send requests.
* Fix management of return and status codes in the MX ABI compatibility
  wrappers.
* Improve sanity checks for notify messages so as to prevent buggy
  duplicate completion of large send requests.
* Fix the periodical checking of the driver status in the library.
* Fix MTU reporting in the driver status.
* A couple other minor improvements.

Open-MX 1.1.0 (April 27th 2009, svn r2576)
==========================================

Improvements from previous release:
* Properly fail to attach a local interface in case of full peer table.

Open-MX 1.0.903 aka 1.1-rc3 (April 16th 2009, svn r2569)
========================================================

Improvements from previous release:
* Report an error when the peer table is full and some peers failed
  to be added.
* Add some early support for Linux kernel 2.6.30.
* Add some annotations in the source code.
* Fix some minor build-regressions in previous release candidates.
* Fix the management of linux kernel release string.
* Move FAQ.html inside the doc directory.

Open-MX 1.0.902 aka 1.1-rc2 (March 25th 2009, svn r2528)
========================================================
The 32bit/64bit Multi-Lib release.

Bug fixes:
* Workaround a kernel panic that may occur on 2.6.18 kernels because
  of the broken vmalloc_user() implementation.

Major Enhancements:
* Add --enable-multilib to build both 32bit and 64bit libraries,
  + Install them in lib32/ and lib64/ and symlink lib to the one
    that corresponds to the compiler default pointer size.
* Enable thread-safety by default.

Other improvements from previous release:
* The OMX_IFACES variable in open-mx.conf replaces the old IFACES.
* make install does not build anymore, make should be invoked first.
* Allow disabling udev support at make install with udev=0.
* Allow changing the target kernel with --with-linux-release
  instead of only enforcing its release name within Open-MX.
* Move kernel modules from lib/modules/ into modules/ with the
  install directory.
* Some fixes in the omx_check.sh testing script.

Open-MX 1.0.901 aka 1.1-rc1 (March 13th 2009, svn r2466)
========================================================
The improved non-MX-wire-compatibility release.

Major improvements from previous release:
* Improve non-MX-wire-compatible medium and large message performance
  by using full MTU packets in most cases instead of a power-of-two
  payload size.
  + Open-MX 1.1.x is not wire compatible with earlier releases if
    MX wire compatibility is disabled.
* Disable MX-wire-compatibility by default, configure for MTU=9000.
* Add support for architectures with page size different from 4kB.

Other improvements:
* Add a new optional medium send path relying on page pinning and
  fragmented DMAs instead of page copy and large contigous socket
  buffers.
* Add an optional kernel-based memory pinning cache invalidation
  support through MMU-notifier (starting with Linux kernel 2.6.27),
  enable OMX_RCACHE by default when supported.
* Add udev support by installing a rules file in omx_local_install
  and not overriding udev work when the environment looks sane.
* The loopback interface hostname is now automatically set to
  'localhost'.
* Add manpages for tools programs.
* Add the ability to iprobe/probe across multiple context ids.
* Miscellaneous small improvements and cleanups all over the place.

Open-MX 1.0.6 (March 24th 2009, svn/open-mx-1.0.x r2525)
========================================================
The Linux kernel 2.6.29 (and 2.6.18-is-broken) release.

Bug fixes:
* Workaround a kernel panic that may occur on 2.6.18 kernels because
  of the broken vmalloc_user() implementation.
* Fix dmaengine support for Linux kernel 2.6.29.
* Fix 'make installonly' to not modify anything in the build tree.
* Several minor fixes and cleanups.

Open-MX 1.0.5 (January 29th 2009, svn/open-mx-1.0.x r2301)
==========================================================
The OpenMPI 1.3 release.

Bug fixes:
* Extend the MX ABI compatibility with some internal symbols that
  OpenMPI requires.

Open-MX 1.0.4 (January 9th 2009, svn/open-mx-1.0.x r2244)
=========================================================
Bug fixes:
* Fix management of large messages in case of many packet loss
  at the end of the message.
* Fix management of forgotten/zombie large receive requests.
* Fix support for discarding rendezvous messages within the
  unexpected handler.
* Miscellaneous internal error code management fixes.

Open-MX 1.0.3 (December 22nd 2008, svn/open-mx-1.0.x r2219)
===========================================================
Bug Fixes:
* Fix kernel timing on some 32bits architectures that could lead
  to bad retransmission or slow hostname resolution.
* Fix hostname resolution so that it can actually occur in parallel
  instead of one peer per second or so.
* Improve FMA/FMS support in configure and omx_init.
* Rename omx_pingpong into omx_perf to avoid confusion with
  mx_pingpong which is incompatible.

Open-MX 1.0.2 (November 26th 2008, svn/open-mx-1.0.x r2185)
===========================================================
Bug Fixes:
* Fix the management of delayed tiny send requests.
* Fix the management of forgotten requests.
* Make sure the kernel thread does not seem to increase the host load.
* Misc minor pinning-related fixes.

Open-MX 1.0.1 (October 26th 2008, svn/open-mx-1.0.x r2131)
==========================================================
Bug Fixes:
* Fix cancelling of iconnect requests.
* Fix event ring management on the receiver side when the sender
  fails to read user-space data during a shared small communication.
* Fix various minor memory leaks.
* Fix driver cross-compiling on some kernels.

Open-MX 1.0.0 (October 8th 2008, svn/open-mx-1.0.x r2077)
=========================================================
The first "stable" release.

Improvements from previous release:
* Miscellaneous minor fixes.

Open-MX 0.9.3 aka 1.0-rc3 (September 22th 2008, svn r2061)
==========================================================
Improvements from previous release:
* Fix driver build on Centos 5.2 kernel.
* Fix a small memory leak in the driver.
* Make headers C++ compliant.
* Dump the driver status when reading /dev/open-mx,
  added to omx_init status.

Open-MX 0.9.2 aka 1.0-rc2 (September 8th 2008, svn r2040)
=========================================================
The Resource-Cleanup release.

Major Enhancements:
* Release all non-completed requests and their resources when closing
  an endpoint early.

Other improvements from previous release:
* Fix race condition between resending and timeouts introduced in 0.9.0.
* Fix driver build on kernels without PCI support.
* Fix completion of synchronous connect in case of timeout.
* Fix completion of large send in case of unreachable destination.
* Detect various interface status change at runtime.
* Add debugging capabilities to make sure no request has been lost.
* Add verbose messages tuning capabilities.

Open-MX 0.9.1 aka 1.0-rc1 (August 13th 2008, svn r1946)
=======================================================
The MTU 1500 Release.

Major Enhancements:
* Add support for MTU 1500 fabrics with --enable-mtu-1500
  (and --disable-mx-wire).

Other improvements from previous release:
* Fix interface reference leak on the large message sender side.

Open-MX 0.9.0 aka 1.0-rc0 (August 11th 2008, svn r1932)
=======================================================
The Many-Requests Release.

Major Enhancements:
* Fixup management of requests in case of resource shortage to prevent
  some deadlocks and other wrong behaviors.
* Add a FAQ (also available online at http://open-mx.gforge.inria.fr/FAQ/)
  containing most of the old README and much more.

Other improvements from previous release:
* Optimize intra-node communication by overlapping memory-pinning,
  to be enabled with the demandpin kernel module parameter.
* Fix forgotten/zombie send request support.
* Fix intra-node medium send completion in case of event queue full on
  the target endpoint.
* Fix the management of pinning errors in case of invalid memory segments.
* Fix invalid memory free in case of early-received large message notify.
* Fix omx_init start/stop timeout to better deal with peer discovery
  start/stop delay.
* Fix cross-compilation when the cross-compiler is given at build and not
  at configure time.
* Fix modinfo and modprobe usage in the startup script, they are supposed
  to be in /sbin.

Open-MX 0.7.0 (June 27th 2008, svn r1806)
=========================================
The Binary Compatibility release.

Major Enhancements:
* Add binary compatibility with MX (from MX version 0.9).
  + The 32bits ABI has changed, applications may have to
    be rebuilt on these architectures.

Other improvements from previous release:
* Fix hostname resolution wire compatibility with MX.
* Fix hostname resolution problems on multi-NICs machines.
* Fix enabling of FMA build/install.
* Fix resending of medium messages that were early completed and
  freed by the application.
* Fix interface removal when a peer discovery program is running.
* Fix driver oops when trying to use interfaces that do not
  provide ethtool ops.
* Fix the init script to be called in all runlevels.
* Add the ability to test/wait_any across multiple context ids.

Open-MX 0.6.0 (May 20th 2008, svn r1727)
========================================
The Dynamic Peer Discovery release.

Major Enhancements:
* Add dynamic peer discovery with the omxoed tool. It is automatically
  started by omx_init when loading the module. Also add support for
  Myricom's FMA peer discovery (MX-wire-compatible) when its source is
  unpacked within the Open-MX source. Static peer table setup is still
  possible on demand.
* Improve large message performance in MX-wire-compatible mode, almost
  achieving the same performance than in non-wire-compatible mode.

Other improvements from previous release:
* Restore the iface status to valid when failing to detach because some
  endpoints were still open.
* Fix useless resending of the last frames of large messages.
* Fix support for abusively fragmented or small packets.
* Fix querying of driver status when unloading.
* Cleanup omx_hostname features.
* A couple miscellaneous minor fixes and improvements everywhere.

Open-MX 0.5.0 (April 30th 2008, svn r1609)
==========================================
The I/OAT and Full-MX-API release.

!! The ABI of the Open-MX library has changed,
!! all existing softwares using Open-MX must be rebuilt.

Major enhancements:
* The whole MX API is now supported thanks to the addition of
  omx_set_error_handler().
* Add DMA engine support to offload memory copies on the receive side on
  I/OAT hardware when available. Disabled by default, to be enabled with
  the dmaengine module parameter. See the README for details.

Other improvements from previous release:
* Fix completion of medium message send in case of a very short last
  fragment.
* Fix possible message corruption with very large messages with highly
  out-of-order messages.
* Fix support for very large messages, up-to 4GB-1 (32bits length).
* Fix reporting of connection errors to the application.
* Fix a possible wrongly-early completion of large send in case of duplicate
  notify message being receive.
* Improve management of queued requests a bit in case of resource shortage.
* Merge status and return codes into a single type and add many new values
  for more descriptive error codes (ABI break).
* Rework and uniformize the management of attached interfaces through the
  module parameter and sysfs file.
* Cleanup the build system and its messages.
* Many minor fixes, tiny optimizations, and documentation improvements all
  over the place.

Open-MX 0.4.0 (February 29th 2008, svn r1408)
=============================================
The PVFS2 release.

Major enhancements:
* Add thread-safety support, to be enabled with --enable-threads.

Other improvements from previous release:
* Add omx_wakeup(), omx_ibuffered() and mx_decompose_endpoint_addr2()
  functions.
* Add support for many info keys in omx_get_info()
* Fix and improve retransmission and reconnection.
* Fix support for mixed 32/64bits systems.
* Fix some race conditions when sleeping in the driver.
* Minor fixes in the MXoE wire and API compatibility.
* Many minor fixes, tiny optimizations, and documentation improvements
  all over the place.

Open-MX 0.3.0 (February 1st 2008, svn r1234)
============================================
The Many-new-Features release.

Major enhancements:
* Add vectorial communication support through omx_isendv, omx_issendv
  and omx_irecvv.
* Add shared communication between endpoints on the same nodes, even if
  they are attached to different interfaces.
* Add safe partner disconnection detection and recovery, either when
  calling mx_disconnect() or when detecting new sessions.
* Enable sleeping functions by default when using blocking calls since
  they now take care of waking up for progression if necessary.
* Add a minimal ABI compatibility with the native MX stack so that at
  least Open MPI and MPICH-MX build natively on top of Open-MX.

Other improvements from previous release:
* Fix a nasty bug that occurs after trying to open a busy endpoint.
* Build an additional debugging library by default.
* Support CFLAGS/CPPFLAGS overriding on the configure command line.
* Fix the unexpected handler return value management.
* Fix the registration cache in case of several pending requests
  using the same region at the same time.
* Multiple fixes in the installation procedure.
* Various memory leak and minor bug fixes.
* Various debug messages improvements.
* Include the official mx_pingpong and mx_stream benchmarks to ease
  wire-compatiblity testing.

Open-MX 0.2.0 (January 16th 2008, svn r1072)
============================================
The Stabilizing-the-Basics release.

Major enhancements:
* Install a sbin/omx_local_install in the install directory to setup the
  /etc/init.d/open-mx startup script on each node, with the
  /etc/open-mx/open-mx.conf configuration file.
  The default static peers file is now /etc/open-mx/peers.
* Improved boards and peers management:
  + Add the omx_hostname tool to change board names.
  + Make omx_init_peers add a single peer when 2 arguments are given.
  + Merge peer and board names so that one updates to other one automatically.
* Rework large message support to handle abort, timeout, endpoint closing,
  interface removal, and early module removal safely.

Other improvements from previous release:
* Report interface removal to user-space.
* Add an ABI check between the driver and library.
* Fix possible pull handle confusion when an index is reused soon after.
* Fix driver build and ioctls on mixed 32/64bits platforms.
* Rework locking in the driver to reduce holding time and use RCU fast locking
  in the readers.
* Improve messages and debugging messages in the driver.
* Valgrind 3.3 support.
* Lots of various fixes.

Open-MX 0.1.0 (December 20th 2007, svn r908)
============================================
First official release.

Status:
* API compatibility with MX 1.2 (almost complete).
* Wire compatibility with MX 1.2 (still under development).
* Message retransmission.
* Support for kernel >= 2.6.15.

Other improvements from previous snapshot:
* Warn in user-space when opening an endpoint if its interface is not
  up or does not have a large enough MTU.
* Fix sequence number wrap-around all over the library code to handle
  long-term connections better.
* Ignore some packets instead of aborting in case of high-level of
  reordering on the network.
* Limit zombie send requests to 512 by default.
* Add various per-interface countersin the driver and the omx_counters
  tool to display/clear them.
* Make OMX_VERBOSE configurable to select which debug messages to show.

Caveats:
* Large message retransmission seem to cause some kernel hang under
  heavy message loss rate.





Open-MX alpha 2007-12-03 23:37 (svn r815)
=========================================
This release works well up-to 32kB but still has problems above. MPICH-MX
completes the full IMB benchmark suite if using less than 32kB max.

Changes:
* Add retransmission support
  + Using piggyack or delayed explicit acks in the lib
  + Using kernel timers for pull in the driver
  + All requests have a default timeout of 1000s
    - It may be configured with the new omx_set_request_timeout()
  + Add omx_forget() to avoid getting a completion event from a request
  + Allow buffered send to be completed before being acked, and OMX_ZOMBIE_SEND=0 to disable it
  + Add incomplete omx_disconnect() support
  + Add nacks on bad sessions, endpoints, or rdma windows
  + Add some module parameters to simulate packet loss
* Add support for communication to self
  + May be disabled with --disable-self or OMX_DISABLE_SELF=1
* Add sleeping support
  + Disabled for now unless OMX_WAITSPIN=0 is set since it prevents progression from happening
* Add timeout support for blocking functions in the API
* More MX API compat wrapper fixes to help mpich-mx work
* Add Linux 2.6.24 support
* Drop OMX_PEERS_FILENAME and add tools/omx_init_peers to load/clear the table
* Configuration enhancements
  + Add a trivial registration cache, disabled by default, enabled through OMX_RCACHE=1
  + Drop omx_ prefix from module parameters and add description for modinfo output
  + More options to omx_pingpong
* Miscellaneous optimizations
  + Reduce useless memsetting of request structure to 0
  + Do not post a pull request if length is 0
  + Add --disable-endian to reduce overhead on homogeneous architectures
* Debugging improvements
  + Add valgrind ioctl hooks
  + Only print verbose messages in the lib when --enable-debug is passed and OMX_VERBOSE is set
  + No debug messages by default in the driver
* Improve communication between the lib and the driver
  + Rework event reporting from the driver so that event queue full are easier to handle
  + Add shared mappings between the lib and driver to exchange various info instead of using ioctl
* Fix various memory leaks and minor bugs

Open-MX alpha 2007-10-01 10:53
==============================
Changes:
* Improve kernel module management
  + Add an omx_init script to start/stop
  + Create the /dev/open-mx with correct group and permissions in omx_init
    . Add --with-device to configure it
  + Fix the way we retrieve LINUX_RELEASE to support some non-vanilla kernels
    . Add --with-linux-release to override it
* Non MX-wire compatible improvements
  + Add --disable-mx-wire to disable native MX wire compatibility
  + Add --with-ethertype to change the Ethernet packet type
  + Send 31*8kB instead of 8*4kB in non-MX-wire compatible
  + Display several configuration options when loading the driver
* Large messages fixes
  + Fix pull seqnum wrap-around for very large messages
  + Fix RDMA id boundaries confusion between the lib and the driver
  + Complete the right large send when a notify arrives
* Event management improvements
  + Split event queue into expected and unexpected queues to avoid losing expected events in case of event queue full
  + Support queueing of medium send and large receive to manage the expected event queue properly
* Build improvements
  + Support overriding CC/AR/... on the configure or  make command line.
  + Support overriding the kernel module compiler with KCC
  + Fix configure.ac script for some strange autoconf version
* Lib improvements
  + Cleanup request state bitmask
  + Optimize the lib with likely/unlikely when built with GCC
  + Fix memory leak caused by requests never being freed
  + Add support for 0-segments in the MX API compat wrappers
* Change packet contents into network order to support multiple endian-different architectures
* Add minimal NACK support to detect wrong or closed endpoints on connect
* Make kernel debug messages runtime configurable through sysfs and only enable the important ones by default if --enable-debug was passed
* Add omx_endpoint_info

Open-MX alpha 2007-09-19 11:58
==============================
Changes:
* New functions
  + omx_cancel
  + omx_progress
  + omx_disable/reenable_progression
  + omx_context
* Pipeline 2 pull block request during large messages
* Fix completion of requests with correct status and lengths, and handle truncation.
* Improve MX API compatibility wrappers
* Fix dependencies in libopen-mx/

Open-MX alpha 2007-09-08 21:00
==============================
Changes:
* New functions:
  + omx_issend
  + omx_test_any, omx_wait_any
  + omx_iprobe, omx_probe
  + omx_iconnect
  + omx_get/set_endpoint_addr_context
  + omx_register_unexp_handler
* Endpoint parameters
  + Support for context ids
* Preliminary wrappers for MX API compatibility
* Support reconnection from a new instance of a peer
* Cleanup omx_pingpong behavior
* Make sure make clean does not delete driver source files
* Various minor fixes

Open-MX alpha 2007-09-05 12:05
==============================
Changes:
* Board hostnames are now MX-compatible (<hostname>:<boardnumber>)

Open-MX alpha 2007-09-04 11:47
==============================
First release with support for all message sizes.
