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authoravg <avg@FreeBSD.org>2011-07-30 20:42:14 +0000
committeravg <avg@FreeBSD.org>2011-07-30 20:42:14 +0000
commit188ae5a78b50800c9027e1d20528d556c5d30603 (patch)
treeb831a111dd71a0e0342add031ef47fc01d4a3b69 /release
parent24506a80640cb9f05c1df13618f6228960bc2ebf (diff)
downloadFreeBSD-src-188ae5a78b50800c9027e1d20528d556c5d30603.zip
FreeBSD-src-188ae5a78b50800c9027e1d20528d556c5d30603.tar.gz
update smp related documentation after recent changes
Remove references to machdep.hlt_logical_cpus and machdep.hlt_cpus sysctls and tunables. Document machdep.hyperthreading_allowed and hint.lapic.X.disabled tunables. Prompted by: ru Proofreading: bf Reviewed by: jhb Approved by: re (kib)
Diffstat (limited to 'release')
-rw-r--r--release/doc/en_US.ISO8859-1/hardware/article.sgml6
1 files changed, 2 insertions, 4 deletions
diff --git a/release/doc/en_US.ISO8859-1/hardware/article.sgml b/release/doc/en_US.ISO8859-1/hardware/article.sgml
index 1352086..20bfdea 100644
--- a/release/doc/en_US.ISO8859-1/hardware/article.sgml
+++ b/release/doc/en_US.ISO8859-1/hardware/article.sgml
@@ -196,10 +196,8 @@
Because this naive scheduling can result in suboptimal
performance, under certain circumstances it may be useful to
disable the logical processors with the 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>
+ <varname>machdep.hyperthreading_allowed</varname> tunable.
+ The &man.smp.4; manual page has more details.</para>
<para>&os; will take advantage of Physical Address Extensions
(PAE) support on CPUs that support this feature. A kernel
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