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Date:      Thu, 23 May 2002 16:15:37 +1000
From:      Peter Jeremy <peter.jeremy@alcatel.com.au>
To:        John Baldwin <jhb@FreeBSD.ORG>
Cc:        cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/kern kern_mutex.c
Message-ID:  <20020523161537.A10471@gsmx07.alcatel.com.au>
In-Reply-To: <200205212226.g4LMQaV68801@freefall.freebsd.org>; from jhb@FreeBSD.ORG on Tue, May 21, 2002 at 03:26:36PM -0700
References:  <200205212226.g4LMQaV68801@freefall.freebsd.org>

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On 2002-May-21 15:26:36 -0700, John Baldwin <jhb@FreeBSD.ORG> wrote:
>  Add appropriate IA32 "pause" instructions to improve performanec on
>  Pentium 4's and newer IA32 processors.  The "pause" instruction has been
>  verified by Intel to be a NOP on all currently existing IA32 processors
>  prior to the Pentium 4.

What about non-Intel iA32 look-alikes?  And does "currently existing
IA32 processors" mean everything back to the 80386, or just Pentium
and later (when Intel started using the "iA32" name)?

Peter

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