From owner-freebsd-current@FreeBSD.ORG Thu Jul 10 01:48:02 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8EFBD37B401; Thu, 10 Jul 2003 01:48:02 -0700 (PDT) Received: from stork.mail.pas.earthlink.net (stork.mail.pas.earthlink.net [207.217.120.188]) by mx1.FreeBSD.org (Postfix) with ESMTP id D686143FA3; Thu, 10 Jul 2003 01:47:59 -0700 (PDT) (envelope-from tlambert2@mindspring.com) Received: from user-2ivfjrs.dialup.mindspring.com ([165.247.207.124] helo=mindspring.com) by stork.mail.pas.earthlink.net with asmtp (SSLv3:RC4-MD5:128) (Exim 3.33 #1) id 19aX5p-0004J7-00; Thu, 10 Jul 2003 01:47:57 -0700 Message-ID: <3F0D2801.AB28E69C@mindspring.com> Date: Thu, 10 Jul 2003 01:46:57 -0700 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: John Baldwin References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-ELNK-Trace: b1a02af9316fbb217a47c185c03b154d40683398e744b8a4d6ac8e5ff2aacf467b82bd4aef64e973548b785378294e88350badd9bab72f9c350badd9bab72f9c cc: FreeBSD current users cc: Julian Elischer Subject: Re: SMP and setrunnable()- scheduler 4bsd X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Jul 2003 08:48:02 -0000 John Baldwin wrote: > On 09-Jul-2003 Terry Lambert wrote: > > I thought that there was either a SPARC or Alpha box where Poul > > had to mess with the divider because they were delivered round > > robin, instead? > > No. The only anomaly I know of is that on Alpha 2100's, the clock > interrupt seems to be round robin rather than broadcast (it is broadcast > on all other SMP Alpha's as far as we can tell.) So far we aren't sure > exactly how off it is so there isn't a correction in the tree. The 2100 was exactly what I was thinking of when I posted that; I had to check my mail archives to find the email about it. Thanks! -- Terry