From: Ben Collins <ben.collins@ubuntu.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org
Subject: Re: [PATCH 1/4] [x86] Add command line option to enable/disable hyper-threading.
Date: Fri, 01 Dec 2006 08:41:40 -0500 [thread overview]
Message-ID: <1164980500.5257.922.camel@gullible> (raw)
In-Reply-To: <20061201132918.GB4239@ucw.cz>
On Fri, 2006-12-01 at 13:29 +0000, Pavel Machek wrote:
> Hi!
>
> > This patch adds a config option to allow disabling hyper-threading by
> > default, and a kernel command line option to changes this default at
> > boot time.
>
> > +config X86_HT_DISABLE
> > + bool "Disable Hyper-Threading by default"
> > + depends on X86_HT
> > + default n
> > +
>
> Command line options are fine, but additional config options mirroring
> command line functionality look ugly to me...
There's actually two parts to the patch. One is the kernel command line
option to allow HT to be enabled/disabled. The second is this config
option that allows the default to be off instead of the current
always-on.
The idea is that we want our users to be able to use hyper-threading,
but we don't want it on by default.
next prev parent reply other threads:[~2006-12-01 13:41 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 4:26 Ubuntu patch sync for 2.6.20 Ben Collins
2006-11-30 4:26 ` Ben Collins
2006-11-30 4:26 ` Ben Collins
2006-11-30 4:26 ` [PATCH 1/4] [x86] Add command line option to enable/disable hyper-threading Ben Collins
2006-11-30 11:06 ` Alan
2006-11-30 18:08 ` Siddha, Suresh B
2006-12-01 13:29 ` Pavel Machek
2006-12-01 13:41 ` Ben Collins [this message]
2006-12-01 14:32 ` Arjan van de Ven
2006-12-01 15:09 ` Ben Collins
2006-12-01 16:10 ` Arjan van de Ven
2006-12-01 16:14 ` Ben Collins
2006-12-01 16:20 ` Linus Torvalds
2006-12-01 16:56 ` Alan
2006-12-01 17:13 ` Mark Rustad
2006-11-30 4:26 ` [PATCH 2/4] [APIC] Allow disabling of UP APIC/IO-APIC by default, with command line option to turn it on Ben Collins
2006-12-01 8:39 ` Ingo Molnar
2006-12-01 20:56 ` Ben Collins
2006-12-02 8:56 ` Ingo Molnar
2006-11-30 4:26 ` [PATCH 3/4] [ATM] Add CPPFLAGS to byteorder.h check Ben Collins
2006-11-30 4:26 ` [PATCH 4/4] [HVCS] Select HVC_CONSOLE if HVCS is enabled Ben Collins
2006-11-30 12:32 ` Roman Zippel
2006-11-30 15:04 ` Ben Collins
-- strict thread matches above, loose matches on Subject: below --
2006-12-07 22:50 [PATCH 1/4] [x86] Add command line option to enable/disable hyper-threading Peter Cordes
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