linux-kernel - Re: [PATCH RFC] vm_unmap_aliases: allow callers to inhibit TLB flush

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Message-ID: <49A2F885.8030407@goop.org>
Date:	Mon, 23 Feb 2009 11:27:01 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: Re: [PATCH RFC] vm_unmap_aliases: allow callers to inhibit TLB flush

Nick Piggin wrote:
> Here's a start for you. I think it gets rid of all the dead code and
> data without introducing any actual conditional compilation...
>   

OK, I can get started with this, but it will need to be a runtime 
switch; a Xen kernel running native is just a normal kernel, and I don't 
think we want to disable lazy flushes in that case.

    J
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