From: Ian Campbell <Ian.Campbell@XenSource.com>
To: James Harper <james.harper@bendigoit.com.au>
Cc: xen-devel@lists.xensource.com
Subject: Re: How to determine if I am running under Xen?
Date: Fri, 21 Sep 2007 07:23:36 +0100 [thread overview]
Message-ID: <1190355816.31176.9.camel@localhost.localdomain> (raw)
In-Reply-To: <AEC6C66638C05B468B556EA548C1A77D012497E6@trantor>
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.
prev parent reply other threads:[~2007-09-21 6:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-21 4:04 How to determine if I am running under Xen? James Harper
2007-09-21 4:30 ` Chris Lalancette
2007-09-21 6:23 ` Ian Campbell [this message]
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