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Re: [Xen-devel] svm vmexit action sequence

To: Jan Beulich <jbeulich@xxxxxxxxxx>, Mats Petersson <Mats.Petersson@xxxxxxx>
Subject: Re: [Xen-devel] svm vmexit action sequence
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Fri, 11 May 2007 08:51:45 +0100
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On 11/5/07 08:42, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> I would even consider
> replacing the whole push/pop sequences by using moves - this ought
> to be faster, despite creating bigger code (assuming that the
> throughput of moves is higher than that of back-to-back pushes/pops).

If moves can be measured as faster than pushes/pops on a reasonable range of
processors, it would make sense to change all our entry/exit sequences
rather than just this one and stick to one idiom (push/pop) or the other

 -- Keir

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