Date: Sun, 19 May 2013 08:09:37 +0100 From: "N.J. Mann" <njm@njm.me.uk> To: Eitan Adler <eadler@FreeBSD.org> Cc: svn-doc-head@freebsd.org, svn-doc-all@freebsd.org, doc-committers@freebsd.org Subject: Re: svn commit: r41672 - head/en_US.ISO8859-1/books/faq Message-ID: <20130519070937.GA83264@titania.njm.me.uk> In-Reply-To: <201305190102.r4J12Uls013461@svn.freebsd.org> References: <201305190102.r4J12Uls013461@svn.freebsd.org>
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In message <201305190102.r4J12Uls013461@svn.freebsd.org>, Eitan Adler (eadler@FreeBSD.org) wrote: > 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> ^^^^^^^^ linearly Cheers, Nick. --
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