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Re: [Xen-devel] [PATCH] Make new PCI device probe work with older hyperv
| To: | Espen Skoglund <espen.skoglund@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Make new PCI device probe work with older hypervisors |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Mon, 07 Jul 2008 15:57:44 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 07 Jul 2008 07:58:41 -0700 |
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| Thread-index: | AcjgQc+RDjO67kw1Ed213wAX8io7RQ== |
| Thread-topic: | [Xen-devel] [PATCH] Make new PCI device probe work with older hypervisors |
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On 7/7/08 15:54, "Espen Skoglund" <espen.skoglund@xxxxxxxxxxxxx> wrote: > For machines supporting VT-d, removing the PCI enumeration from the > VT-d code means that older dom0 kernels will not work with the latest > hypervisor. Is this unacceptable or is VT-d support considered an > experimental feature? If old dom0 kernels will not work with new Xen on any system supporting VT-d, even when VT-d features are not going to be used (e.g., for device passthrough), then that's not really acceptable. If you have to upgrade your dom0 kernel to make use of new features which VT-d enables, that's perfectly acceptable. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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