Date: Sun, 22 Jul 2012 22:19:48 +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: r39253 - head/en_US.ISO8859-1/books/faq Message-ID: <201207222219.q6MMJmdZ032190@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: eadler (src,ports committer) Date: Sun Jul 22 22:19:48 2012 New Revision: 39253 URL: http://svn.freebsd.org/changeset/doc/39253 Log: Remove bogus information about SMP processors Approved by: wblock Modified: head/en_US.ISO8859-1/books/faq/book.sgml Modified: head/en_US.ISO8859-1/books/faq/book.sgml ============================================================================== --- head/en_US.ISO8859-1/books/faq/book.sgml Sun Jul 22 22:19:46 2012 (r39252) +++ head/en_US.ISO8859-1/books/faq/book.sgml Sun Jul 22 22:19:48 2012 (r39253) @@ -2262,19 +2262,9 @@ support on Intel CPUs that support this feature. A kernel with the <literal>options SMP</literal> feature enabled will automatically detect the additional logical - processors. The default &os; scheduler treats the logical - processors the same as additional physical processors; in - other words, no attempt is made to optimize scheduling - decisions given the shared resources between logical - processors within the same CPU. Because this naive - scheduling can result in suboptimal performance, under - certain circumstances it may be useful to disable the - logical processors with the - <varname>machdep.hlt_logical_cpus</varname> sysctl - variable. It is also possible to halt any CPU in the idle - loop with the <varname>machdep.hlt_cpus</varname> sysctl - variable. The &man.smp.4; manual page has more - details.</para> + processors.</para> + + <para>&man.smp.4; has more details.</para> </answer> </qandaentry> </qandaset>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201207222219.q6MMJmdZ032190>