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To: Bruce Evans <bde@zeta.org.au>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sat, 05 Apr 2003 17:25:23 +1000."
             <20030405171037.Y37234@gamplex.bde.org> 
Date: Sat, 05 Apr 2003 10:19:42 +0200
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cc: cvs-src@FreeBSD.org
cc: src-committers@FreeBSD.org
cc: Tor Egge <tegge@FreeBSD.org>
cc: cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf options.i386 src/sys/i386/i386 tsc.c
	src/sys/i386/conf NOTES 
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In message <20030405171037.Y37234@gamplex.bde.org>, Bruce Evans writes:
>On Fri, 4 Apr 2003, Tor Egge wrote:
>
>> tegge       2003/04/04 15:54:47 PST
>>
>>   FreeBSD src repository
>>
>>   Modified files:
>>     sys/conf             options.i386
>>     sys/i386/i386        tsc.c
>>     sys/i386/conf        NOTES
>>   Log:
>>   Add SMP_TSC option, which can be used on SMP systems where the TSCs
>>   are synchronized to reduce context switch cost.
>
>This should be implemented by making the TSC timecounter available on
>all systems that have a TSC, but not actually using it for the SMP case
>unless it is enabled using sysctl "machdep.timecounter.hardware=TSC".

That would make more sense, yes.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.