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To: Robert Watson <rwatson@FreeBSD.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Fri, 27 Mar 2009 22:59:39 GMT."
	<alpine.BSF.2.00.0903272254460.12518@fledge.watson.org> 
Date: Fri, 27 Mar 2009 23:02:02 +0000
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Cc: scottl@samsco.org, Sergey Babkin <babkin@verizon.net>,
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Subject: Re: Improving the kernel/i386 timecounter performance (GSoC
	proposal) 
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In message <alpine.BSF.2.00.0903272254460.12518@fledge.watson.org>, Robert Wats
on writes:

>I guess interesting questions are whether (a) it would be desirable to have 
>per-page, per-cpu, or per-thread mappings.  If there are non-synchronized 
>TSCs, then there might be some interesting advantages to a per-CPU page.

Rule #3:
	The only thing worse than generalizing from one example is
	generalizing from no examples at all.

We can add those mappings when we know why we would want them.


-- 
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.