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Date: Mon, 30 Mar 2009 09:39:59 +0800
From: David Xu <davidxu@freebsd.org>
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To: Julian Elischer <julian@elischer.org>
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Cc: Sergey Babkin <babkin@verizon.net>, freebsd-hackers@freebsd.org,
	attilio@freebsd.org, phk@phk.freebsd.dk,
	freebsd-current@freebsd.org, prashant.vaibhav@gmail.com
Subject: Re: Improving the kernel/i386
	timecounter	performance	(GSoC	proposal)
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Julian Elischer wrote:

> depends on the hardware.
> anyhow I was only saying it was possible, not necessarily
> good or even useful.
> 
> 

I had done some works for thread private page shared by kernel
and userland when I was doing userland spinlock, if userland asks
a page, kernel will allocate it and put some interesting thing in
it by scheduler etcs, these code may be useful.