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Date:      Tue, 8 Aug 2000 09:33:07 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Tor Egge <tegge@FreeBSD.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/i386/i386 mpboot.s
Message-ID:  <20000808093307.D65739@wantadilla.lemis.com>
In-Reply-To: <200008070228.TAA82873@freefall.freebsd.org>; from tegge@FreeBSD.org on Sun, Aug 06, 2000 at 07:28:37PM -0700
References:  <200008070228.TAA82873@freefall.freebsd.org>

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On Sunday,  6 August 2000 at 19:28:37 -0700, Tor Egge wrote:
> tegge       2000/08/06 19:28:37 PDT
>
>   Modified files:
>     sys/i386/i386        mpboot.s
>   Log:
>   Add workaround for livelock problem when starting APs.
>
>   With more than 1 AP present, an AP could fail to properly release
>   the mp lock before waiting for smp_started to become nonzero.
>
>   With early startup of APs, the BSP could fail to properly release
>   the mp lock before waiting for smp_started to become nonzero.

This is the third SMP commit I've seen from you in the last few days.
Are you aware that we're currently completely overhauling this code?
It would probably be more efficient if you joined the overhaul effort.

Greg
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