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Re: [Xen-devel] [PATCH] enable port accesses with (almost) fullregister
| To: | "Tian, Kevin" <kevin.tian@xxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] enable port accesses with (almost) fullregister context |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Mon, 11 Sep 2006 20:58:41 +0100 |
| Delivery-date: | Mon, 11 Sep 2006 13:10:28 -0700 |
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| Thread-index: | AcbVvga6RRR6PkGxEduR3QANk04WTAACDg9gAAWbrfE= |
| Thread-topic: | [Xen-devel] [PATCH] enable port accesses with (almost) fullregister context |
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On 11/9/06 6:24 pm, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote: > Hi, Keir, > Say in the driver domain case, does dom0-only bitmap need to sync with admin > bitmaps? Or simply depend on the assumption that dom0 won't use io ports > granted to other domains? There's no checking of that kind of thing already. Xen will happily allow I/O memory and I/O ports to be assigned write access for multiple domains simultaneously. It's up to control tools, or a sysadmin, to implement or enforce a more sophisticated policy if that is what is wanted. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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