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Date:      Tue, 25 Mar 2003 08:14:59 -0000
From:      "andrewt" <andrewt@slipstreaminteractive.com>
To:        <freebsd-smp@freebsd.org>
Subject:   RE: HTT option in GENERIC template?
Message-ID:  <003001c2f2a6$a0eee960$7684b150@TRIPOLI>
In-Reply-To: <C50AB9511EE59B49B2A503CB7AE1ABD10440E45D@cceexc19.americas.cpqcorp.net>

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And preferably an UPDATING entry that not having this option may break
SMP on some machines (DL380G3 Proliants at least), as this caught me out
installing 4.8-RC. Now working with options HTT.

Regards,
Andrew

-----Original Message-----
From: owner-freebsd-smp@FreeBSD.ORG
[mailto:owner-freebsd-smp@FreeBSD.ORG] On Behalf Of Cagle, John
(ISS-Houston)
Sent: 25 March 2003 06:29
To: freebsd-smp@freebsd.org
Subject: HTT option in GENERIC template?


I'd like to recommend the following simple patch be checked in for the
GENERIC config file for 4.8.  This should reduce user confusion about
enabling hyperthreading:

RCS file: /usr/ncvs/src/sys/i386/conf/GENERIC,v
retrieving revision 1.246.2.51
diff -u -r1.246.2.51 GENERIC
--- GENERIC	28 Feb 2003 15:53:37 -0000	1.246.2.51
+++ GENERIC	25 Mar 2003 06:20:27 -0000
@@ -64,6 +64,9 @@
 #options 	SMP			# Symmetric MultiProcessor
Kernel
 #options 	APIC_IO			# Symmetric (APIC) I/O
 
+# To make a Hyperthreading kernel, use SMP, APIC_IO and HTT
+#options	HTT			# Enable Hyperthreading
+
 device		isa
 device		eisa
 device		pci


Regards,
John

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