svn commit: r41672 - head/en_US.ISO8859-1/books/faq

[N.J. Mann]

In message <201305190102.r4J12Uls013461 at svn.freebsd.org>,
	Eitan Adler (eadler at 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.
--