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[Xen-devel] Re: [PATCH] x86/hvm: accelerate IO intercept handling

To: Andre Przywara <andre.przywara@xxxxxxx>
Subject: [Xen-devel] Re: [PATCH] x86/hvm: accelerate IO intercept handling
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Fri, 05 Mar 2010 15:55:17 +0000
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On 05/03/2010 15:49, "Andre Przywara" <andre.przywara@xxxxxxx> wrote:

>> Unless the speedup on the only
>> possibly-interesting workload you mention is significant, this whole
>> optimisation seems unnecessary.
> Actually it is missing enablement.

Yes it's very important to use *every* CPU feature. ;-)

Well, the patch looks okay, and it may speed up things we care about a
percent or two I guess. I will look at it properly after 4.0 and I'm sure we
can get it in the tree.

 -- Keir

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