From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+willy=40w.ods.org-S964913AbVHKAXc@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S964913AbVHKAXc (ORCPT <rfc822;willy@w.ods.org>);
	Wed, 10 Aug 2005 20:23:32 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964959AbVHKAXc
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Wed, 10 Aug 2005 20:23:32 -0400
Received: from zproxy.gmail.com ([64.233.162.195]:30065 "EHLO zproxy.gmail.com")
	by vger.kernel.org with ESMTP id S964913AbVHKAXb convert rfc822-to-8bit
	(ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Wed, 10 Aug 2005 20:23:31 -0400
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
        s=beta; d=gmail.com;
        h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
        b=Oh5VE5K6DTQsRRUR+Ey4pHWOgpUa/c2KlVPD8d+XblKUgCVVjGR6iI/s7HxjCc71wTFlsgRtmOGn6WyzuezIF9QHCpTRUn4GsGtZHowZ/zTvZzOimwXvni6A1X3itisW/eALx3Y8mMlT2ItSL7YzjdBlbT4sQSVPD2Lqq/WP4eg=
Message-ID: <86802c440508101723d4aadef@mail.gmail.com>
Date: Wed, 10 Aug 2005 17:23:31 -0700
From: yhlu <yhlu.kernel@gmail.com>
To: Andi Kleen <ak@suse.de>
Subject: Re: [discuss] Re: 2.6.13-rc2 with dual way dual core ck804 MB
Cc: Mike Waychison <mikew@google.com>, YhLu <YhLu@tyan.com>,
       Peter Buckingham <peter@pantasys.com>, linux-kernel@vger.kernel.org,
       "discuss@x86-64.org" <discuss@x86-64.org>
In-Reply-To: <86802c4405081017174c22dcd5@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7BIT
Content-Disposition: inline
References: <3174569B9743D511922F00A0C94314230AF97867@TYANWEB>
	 <42FA8A4B.4090408@google.com> <20050810232614.GC27628@wotan.suse.de>
	 <86802c4405081016421db9baa5@mail.gmail.com>
	 <20050811000430.GD8974@wotan.suse.de>
	 <86802c4405081017174c22dcd5@mail.gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org

I wonder if you can make the bsp can start the APs callin in the same
time, and make it asynchronous, So you make spare 2s or more.

YH

On 8/10/05, yhlu <yhlu.kernel@gmail.com> wrote:
> In LinuxBIOS, we could init_ecc asynchronous and the time reduced from
> 8x to 2.1x for 8 ways system. 1x mean 5s for 4G in one cpu. If 16G
> will take 20s.
> 
> for TSC_SYNC asynchronous maybe you can get back 0.1s...
> 
> YH
> 
> On 8/10/05, Andi Kleen <ak@suse.de> wrote:
> > > So my patch still can be used with Eric's, It just serialize the
> > > TSC_SYNC between cpu.
> > >
> > > I wonder it you can refine to make TSC_SYNC serialize that beteen CPU.
> > > That will make
> > > CPU X:synchronized TSC ...
> > > in fixed postion and timming.
> >
> > Why would we want that?
> >
> > Boot time is critical so it's better to do things asynchronous.
> >
> > -Andi
> >
>