Date: Sun, 22 Dec 2013 22:56:45 +0000 (UTC) From: Craig Rodrigues <rodrigc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r259749 - head/release/doc/en_US.ISO8859-1/relnotes Message-ID: <201312222256.rBMMujDJ068586@svn.freebsd.org>
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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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