linux-kernel - Re: #tj-percpu has been rebased

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Date:	Fri, 13 Feb 2009 13:17:39 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	Tejun Heo <tj@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	cpw@....com
Subject: Re: #tj-percpu has been rebased

Rusty Russell wrote:
> That's why I handed it to you! :)
>
> Just remember we waited over 5 years for this to happen: the point of these
> is that Christoph showed it's still useful.
>
> (And I really like the idea of allocing congruent areas rather than remapping
>  if someone can show that it's semi-reliable.  Good luck!)

I really don't like the idea of making percpu memory (physically) move 
around.  It would break Xen's usage of it for a start...  Virtual 
remapping would be OK.

    J
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