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Date: Thu, 11 Aug 2005 01:26:15 +0200
From: Andi Kleen <ak@suse.de>
To: Mike Waychison <mikew@google.com>
Cc: YhLu <YhLu@tyan.com>, Peter Buckingham <peter@pantasys.com>,
       linux-kernel@vger.kernel.org,
       "'discuss@x86-64.org'" <discuss@x86-64.org>
Subject: Re: [discuss] Re: 2.6.13-rc2 with dual way dual core ck804 MB
Message-ID: <20050810232614.GC27628@wotan.suse.de>
References: <3174569B9743D511922F00A0C94314230AF97867@TYANWEB> <42FA8A4B.4090408@google.com>
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On Wed, Aug 10, 2005 at 04:14:19PM -0700, Mike Waychison wrote:
> YhLu wrote:
> >andi,
> >
> >please refer the patch, it will move cpu_set(, cpu_callin_map) from
> >smi_callin to start_secondary.
> 
> 
> This patch fixes an apparent race / lockup on our 2-way dual cores (when 
> applied against 2.6.12.3).  The machine was locking up after 
> "Initializing CPU#2".

The real solution for this issue is the smp_call_function_single patch from Eric
that I reposted yesterday. Yh's patch just changed the timing slightly.


-Andi