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Re: [Xen-devel] struct shared_info extensibility (or lack thereof)
| To: | Rik van Riel <riel@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] struct shared_info extensibility (or lack thereof) |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Mon, 28 Nov 2005 17:54:15 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 28 Nov 2005 17:48:36 +0000 |
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On 28 Nov 2005, at 16:47, Rik van Riel wrote: The reason for putting the vcpu_* structures together on a per virtual cpu basis is that this way we can extend the number of virtual CPUs in the future, without breaking the interface with older guests. Actually, thinking about it, putting all vcpu info in a 64-byte block makes sense for cache locality.... I don't think that relocating the vcpu info at the end of the page buys us anything significant though. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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