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Date:      Fri, 22 Jun 2001 14:52:12 -0700 (PDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Matthew Jacob <mjacob@feral.com>
Cc:        cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org
Subject:   Re: cvs commit: src/sys/alpha/include atomic.h
Message-ID:  <XFMail.010622145212.jhb@FreeBSD.org>
In-Reply-To: <20010622141818.F20923-100000@wonky.feral.com>

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On 22-Jun-01 Matthew Jacob wrote:
> 
> 
> Hmm........ Did you decide this might clean up the foo we've been seeing?
> 
> I believe I *had* mentioned this to you at some point......

It shouldn't be needed in theory, (theory is great) but it does make the weird
witness panics go away.
 
> On Fri, 22 Jun 2001, John Baldwin wrote:
> 
>> jhb         2001/06/22 14:13:21 PDT
>>
>>   Modified files:
>>     sys/alpha/include    atomic.h
>>   Log:
>>   Be conservative and always perform an mb after an atomic_cmpset operation.
>>
>>   Revision  Changes    Path
>>   1.11      +3 -1      src/sys/alpha/include/atomic.h
>>
> 

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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