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[Xen-devel] Tracking guest pages modified by qemu-dm / backend
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] Tracking guest pages modified by qemu-dm / backend |
| From: | AP <apxeng@xxxxxxxxx> |
| Date: | Tue, 21 Jun 2011 15:43:26 -0700 |
| Delivery-date: | Tue, 21 Jun 2011 15:44:02 -0700 |
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Consider an HVM domain with EPT. When qemu-dm, backend or any other device model modifies DomU memory (like on a disk read or packet received), how does Xen track the pages that have been modified? For example, when an DomU is being migrated while IO is occurring. Thanks, AP _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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