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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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