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Date:      Mon, 30 Mar 2009 09:39:59 +0800
From:      David Xu <davidxu@freebsd.org>
To:        Julian Elischer <julian@elischer.org>
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)
Message-ID:  <49D022EF.8030305@freebsd.org>
In-Reply-To: <49CF0523.8020905@elischer.org>
References:  <11609492.9579.1238167614335.JavaMail.root@vms070.mailsrvcs.net>	<49CD0405.1060704@samsco.org> <49CD30E9.7030501@elischer.org> <49CEC261.4010803@freebsd.org> <49CF0523.8020905@elischer.org>

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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.













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