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Re: [Xen-devel] address space reorganization
| To: | Rik van Riel <riel@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] address space reorganization |
| From: | Kip Macy <kip.macy@xxxxxxxxx> |
| Date: | Thu, 14 Apr 2005 11:15:51 -0700 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, Jacob Gorm Hansen <jacobg@xxxxxxx> |
| Delivery-date: | Thu, 14 Apr 2005 18:15:45 +0000 |
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| Reply-to: | Kip Macy <kip.macy@xxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
> People whose applications need SSE2 will install CPUs that
> have those instructions.
>
One would hope, but just because a customer has lots of money to spend
on hardware doesn't mean that he is rowing with both oars. This is a
supportability issue. The xen{source} folks would do themselves a
favor by trapping a guest's use of unsupported instructions and
logging it. That would make it easy enough to track down if a
customer's apps stop working when using migration.
-Kip
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