[libvirt] [PATCH] kvm 32bit guest on 64bit host

Gerd von Egidy lists at egidy.de
Mon Jun 2 23:13:29 UTC 2008


I want to manage a 32 bit i686 guest on an x86_64 host with kvm and libvirt. 
KVM is perfectly capable of doing this (look e.g. at 
http://kvm.qumranet.com/kvmwiki/Guest_Support_Status) but libvirt did not 
allow it.

So I created the attached patch to allow it and make it easy to extend the 
capabilities of kvm and kqemu later on.

I did not add anything I'm not sure about, so I did not at 64bit guest on 
32bit host (though the page linked above seems to indicate that it works) and 
did not change the capabilities of kqemu at all (because I don't have any 
experience with it and never used it).

Please consider merging.

Kind regards,


Address (better: trap) for people I really don't want to get mail from:
james at cactusamerica.com
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