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Re: [Xen-devel] How to determine if I am running under Xen?
| To: | James Harper <james.harper@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] How to determine if I am running under Xen? |
| From: | Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> |
| Date: | Fri, 21 Sep 2007 07:23:36 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 20 Sep 2007 23:25:20 -0700 |
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| In-reply-to: | <AEC6C66638C05B468B556EA548C1A77D012497E6@trantor> |
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| References: | <AEC6C66638C05B468B556EA548C1A77D012497E6@trantor> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
On Fri, 2007-09-21 at 14:04 +1000, James Harper wrote: > Does anyone have a code snippet that I could use (in kernel space) to > determine if I am running under Xen or not in a HVM domain? "cpuid eax=0x40000000" will return XenVMMXenVMM in (ebx,ecx,edx) or you could just look for the Xen PCI device -- see unmodified_drivers in the xen source for examples of both. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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