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Message-ID: <86802c4405081017174c22dcd5@mail.gmail.com>
Date: Wed, 10 Aug 2005 17:17:17 -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>
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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
>