Date: Sun, 19 May 2013 01:02:30 +0000 (UTC) From: Eitan Adler <eadler@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r41672 - head/en_US.ISO8859-1/books/faq Message-ID: <201305190102.r4J12Uls013461@svn.freebsd.org>
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Author: eadler Date: Sun May 19 01:02:30 2013 New Revision: 41672 URL: http://svnweb.freebsd.org/changeset/doc/41672 Log: Improve the smp-support question wording for the modern era. Indicate that certain ARM cpus may have issues. This is based on information and wording from gavin. Modified: head/en_US.ISO8859-1/books/faq/book.xml Modified: head/en_US.ISO8859-1/books/faq/book.xml ============================================================================== --- head/en_US.ISO8859-1/books/faq/book.xml Sun May 19 00:56:24 2013 (r41671) +++ head/en_US.ISO8859-1/books/faq/book.xml Sun May 19 01:02:30 2013 (r41672) @@ -1680,16 +1680,13 @@ </question> <answer> - <para>Symmetric multi-processor (SMP) systems are generally - supported by &os;, although in some cases, BIOS or - motherboard bugs may generate some problems.</para> - - <para>&os; will take advantage of HyperThreading (HTT) - support on &intel; CPUs that support this feature. A kernel - with the <literal>options SMP</literal> option, enabled - by default, - will automatically detect the additional logical - processors.</para> + <para>&os; supports Symmetric multi-processor (SMP) on all + non-embedded platforms (e.g, i386, amd64/x86-64, + ia64, sparc64, powerpc, powerpc64). SMP is also + supported in arm and MIPS kernels, although some CPUs + may not support this. &os;'s SMP implementation uses + fine-grained locking, and performance scales nearly + liniarly with number of CPUs.</para> <para>&man.smp.4; has more details.</para> </answer>
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