svn commit: r259749 - head/release/doc/en_US.ISO8859-1/relnotes
Craig Rodrigues
rodrigc at FreeBSD.org
Sun Dec 22 22:56:45 UTC 2013
Author: rodrigc
Date: Sun Dec 22 22:56:45 2013
New Revision: 259749
URL: http://svnweb.freebsd.org/changeset/base/259749
Log:
Add updates for Raspberry PI support, unmapped VMIO, netmap(4), nvme(4).
Modified:
head/release/doc/en_US.ISO8859-1/relnotes/article.xml
Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml
==============================================================================
--- head/release/doc/en_US.ISO8859-1/relnotes/article.xml Sun Dec 22 22:31:39 2013 (r259748)
+++ head/release/doc/en_US.ISO8859-1/relnotes/article.xml Sun Dec 22 22:56:45 2013 (r259749)
@@ -120,6 +120,16 @@
<sect2 xml:id="kernel">
<title>Kernel Changes</title>
+ <para revision="239922">Raspberry PI support has been added.
+ Refer to these <link xlink:href="http://kernelnomicon.org/?p=164">setup instructions</link>
+ and <link xlink:href="http://www.raspberrypi.org/quick-start-guide">quick start
+ guide</link>.</para>
+
+ <para revision="248508">The use of unmapped VMIO buffers eliminates the need to perform
+ TLB shootdown for mapping on buffer creation and reuse, greatly reducing the
+ amount of IPIs for shootdown on big-SMP machines and eliminating up to 25-30%
+ of the system time on i/o intensive workloads.</para>
+
<para arch="amd64">The maximum amount of memory the &os; kernel
can address has been increased from 1TB to 4TB.</para>
@@ -292,6 +302,13 @@
for dynamically loading kernel modules for Infiniband core (ibcore) and
IP over Infiniband (ipoib).</para>
+ <para revision="227614">&man.netmap.4; has been added. &man.netmap.4; is a framework for
+ high-performance direct-to-hardware packet IO, offering low latency and high PPS
+ rates to userland applications while bypassing any kernel-side packet processing.
+ With &man.netmap.4; it is trivially possible to fully saturate a 10 Gbps network interface with
+ minimal packet sizes. For more information, see:
+ <link xlink:href="http://info.iet.unipi.it/~luigi/netmap/">Netmap Project</link>.</para>
+
</sect4>
</sect3>
@@ -338,6 +355,11 @@
<para role="merged">The &man.hptrr.4; driver has been updated to version 1.2
from Highpoint.</para>
+ <para revision="240616">&man.nvme.4; has been added and provides NVM Express support.
+ NVM Express is an optimized register interface, command set and feature set of
+ PCI Express (PCIe)-based Solid-State Drives (SSDs). For more information,
+ see <link xlink:href="http://http://www.nvmexpress.org/">nvmexpress.org</link>.</para>
+
</sect3>
<sect3 xml:id="fs">
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