Messages in this thread | | | Date | Wed, 21 Feb 2007 14:20:56 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [patch 05/24] Xen-paravirt_ops: Add pagetable accessors to pack and unpack pagetable entries |
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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.
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