Date: Thu, 19 Dec 2002 16:03:10 +0300 From: "Oleg S. Denisov" <odenisov@klondike.ru> To: Kyunghwan Kim <redjade@ada.snu.ac.kr> Cc: smp@FreeBSD.ORG Subject: Re: HyperThreading support. Message-ID: <3E01C38E.D9AFB5A9@klondike.ru> References: <3E018F4B.DDB4C675@klondike.ru> <20021219123743.GA61869@ada.snu.ac.kr>
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As sample: Intel Server Platform SSH4 (Shasta) with 4 x P4Xeon 1.4GHz, BIOS support for HyperThreading is ON. FreeBSD (4.7 and 5.0 RC1) seen only 4CPU Linux RedHat 7.2 seen only 4CPU Linux Redhat 8.0 seen 8CPU. Information about this server platform here: http://support.intel.com/support/motherboards/server/ssh4/spsh4/ Information about Hyper-Threading on this platform: http://support.intel.com/support/motherboards/server/ssh4/post.htm Regards, Oleg Denisov. Kyunghwan Kim wrote: > > On Thu, Dec 19, 2002 at 12:20:11PM +0300, Oleg S. Denisov wrote: > > Colleagues, > > Has you plans to add support Intel HyperThreading in kernel SMP? > > FreeBSD already has support for hyperthreading. > but if BIOS doesn't write appropriate information to mptable, > FreeBSD can't recognize other cpus. In case, make your BIOS up do date. > -- > Kyunghwan Kim > redjade@ada.snu.ac.kr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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