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RE: [Xen-ia64-devel] RE: [Xen-devel] [PATCH] blkif include fixes
| To: | "Arun Sharma" <arun.sharma@xxxxxxxxx>, "Magenheimer, Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx> |
|---|---|
| Subject: | RE: [Xen-ia64-devel] RE: [Xen-devel] [PATCH] blkif include fixes |
| From: | "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> |
| Date: | Fri, 12 Aug 2005 00:53:35 +0100 |
| Cc: | "Ling, Xiaofeng" <xiaofeng.ling@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 11 Aug 2005 23:51:53 +0000 |
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| Thread-index: | AcWexp/oFlvjrv6aQZaOYZB5Zh8vwAABZj1Q |
| Thread-topic: | [Xen-ia64-devel] RE: [Xen-devel] [PATCH] blkif include fixes |
> What we have not figured out is, how to handle the case where > the netfront driver tries to transfer the ownership of a page > to another domain. It does this by writing to the > phys_to_machine_mapping[] array. > > While we can easily map the phys_to_machine table into a VMX > guest, it's not clear that: > a) allowing the guest to modify it is safe For translate shadow mode guests we need to do the p2m update in Xen in the gnttab hypercalls. Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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