README: update for the 2015.04 release2015.04

Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org>

1 files changed, 21 insertions, 20 deletions

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 p. The Linaro Networking Group (LNG) is pleased to announce the
-2015.03 release of the Linaro Networking Kernel.
+2015.04 release of the Linaro Networking Kernel.
 
 h4. Interesting changes include:
 
-* Updated both kernel branches to be based on the February 2015 release of
+* Updated both LSK-based kernel branches to the March 2015 release of
 ** Linaro Standard Kernel v3.14 and v3.14-rt, respectively.
 
-* Changed preemption model for linux-linaro-lng-v3.14 branch
-** from PREEMPT_NONE (server model - no preemption)
-** to PREEMPTION (low latency desktop model - most preemption possible w/o RT).
-
-* Enabled use of threaded Interrup Service Routines (ISRs) by default,
-** with no need to enable this explicitly via boot-time kernel command line.
-
-* Added temporary fixes for several compilation / linker errors when building
-** for x86 and x86_64 architectures.
+* Added a new kernel branch based upon the latest stable kernel from
+ kernel.org for which an RT patch has been released.
+** This new branch is linux-linaro-lng-v3.18-rt, and is currently based on
+ kernel.org linux v3.18.11-rt7.
+** Initially this branch supports the same 32-bit Cortex A15-based
+ Arndale platform as in the 3.14 based branches,
+ with huge-page memory allocation, little and big endian operation,
+ and KVM hosting.
+** Full tickless operation (NO_HZ_FULL) and aarch64 support are expected to
+ follow soon.
 
 <br>The release is also available via tags in the LNG git repository:
 
-bc. git://git.linaro.org/kernel/linux-linaro-lng.git linux-lng-3.14.32-2015.03
-git://git.linaro.org/kernel/linux-linaro-lng.git linux-lng-preempt-rt-3.14.32-2015.03
+bc. git://git.linaro.org/kernel/linux-linaro-lng.git linux-lng-3.14.36-2015.04
+git://git.linaro.org/kernel/linux-linaro-lng.git linux-lng-preempt-rt-3.14.36-2015.04
+git://git.linaro.org/kernel/linux-linaro-lng.git linux-lng-preempt-rt-3.18.11-2015.04
 
 More information on Linaro Networking Group Kernels is available at
 "http://wiki.linaro.org/LNG/Engineering/Foundational":http://wiki.linaro.org/LNG/Engineering/Foundational
 
 h4. Fixed in this release
 
-* "LBTS: #340":https://bugs.linaro.org/show_bug.cgi?id=340 ARMV8 support not yet working in 3.14 kernel
-
-* "LBTS: #89":https://bugs.linaro.org/show_bug.cgi?id=89 no_hz_full : isolation breaks on x86
-
 h4. Known issues
 
-NO_HZ_FULL isolation in RT kernel temporarily broken due to upstream reversion
-of a required patch due to problems that patch was creating elsewhere.
-Expect a solution for this from upstream in time for next month's release.
+NO_HZ_FULL isolation in RT kernel remains broken in all current kernel branches due to upstream activity.
+This is being investigated and will be addressed as promptly as possible.
+
+The initial release of the new linux-linaro-lng-v3.18-rt branch
+does not yet include the full no_hz isolation patches,
+which are still being integrated into that newer branch.
 
 h4. Feedback and Support