On Thu, Aug 07, 2014 at 02:28:05PM +0100, Richard W.M. Jones wrote: > On aarch64 with -M virt, the default CPU model is cortex-a15 (a 32 bit > CPU). This is IMHO a stupid default, but there we are. Therefore > most users will need to pass the `-cpu cortex-a53' or `-cpu cortex-a57' > flag to qemu, depending on a complex formula of their host CPU and if > they are using TCG or not. > > However I cannot work out how to pass this through libvirt. > > The obvious one would be: > > <cpu><model>cortex-a57</model></cpu> > > This passes `-cpu host' which is both wrong and likely to be a bug. > > I tried adding various flags and studying the source, but it's > extremely non-obvious how to do this. Also adding the following into > cpu_map.xml didn't make any difference: IIRC we don't have the CPU model stuff written for ARM architecture yet. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :| _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users