From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [patch 05/24] Xen-paravirt_ops: Add pagetable
 accessors to pack and unpack pagetable entries
Date: Wed, 21 Feb 2007 14:20:56 -0800
Message-ID: <45DCC5C8.4090905@goop.org>
References: <20070221205254.169835700@goop.org>
	<20070221205322.869165491@goop.org> <200702212315.12883.ak@suse.de>
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To: Andi Kleen <ak@suse.de>
Cc: Chris Wright <chrisw@sous-sol.org>, virtualization@lists.osdl.org, Andrew Morton <akpm@linux-foundation.org>, xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org
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Andi Kleen wrote:
> Do you have some lmbench numbers before/after this change? 
> iirc at least fork and exit do a lot of pte accesses in various forms.
> If it's measurable it might be needed to patch those for the native case.
>   

I don't.  I think Rusty ran some numbers and found the pte accessors
became the most commonly used paravirt ops.

I'm working on revamping the pv_ops patching infrastructure at the
moment, so we should be able to deal with these fairly efficiently.

    J