From 188ae5a78b50800c9027e1d20528d556c5d30603 Mon Sep 17 00:00:00 2001 From: avg Date: Sat, 30 Jul 2011 20:42:14 +0000 Subject: 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) --- tools/tools/sysdoc/tunables.mdoc | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) (limited to 'tools') diff --git a/tools/tools/sysdoc/tunables.mdoc b/tools/tools/sysdoc/tunables.mdoc index 429e9dc..35ef9c0 100644 --- a/tools/tools/sysdoc/tunables.mdoc +++ b/tools/tools/sysdoc/tunables.mdoc @@ -1233,24 +1233,12 @@ machdep.disable_mtrrs machdep.guessed_bootdev --- -machdep.hlt_cpus +machdep.hyperthreading_allowed bool -This option will permit the halting -of CPUs. -For instance, to halt CPU 0, -machdep.htl_cpus=1 can be used. -It is possible to halt two CPUs by providing -a comma separated list (i.e: cpu1,cpu2). - ---- -machdep.hlt_logical_cpus -bool - -This keeps the logical CPUs halted in the idle loop. -By default the logical CPUs are halted at startup. -It is also possible to halt any cpu in the idle loop now -using machdep.hlt_cpus. +Setting this tunable to zero disables +the use of additional logical processors +provided by Intel HTT technology. --- machdep.panic_on_nmi -- cgit v1.1