On Tue, Dec 15, 2015 at 10:36:32AM +0100, Martin Kletzander wrote: > On Mon, Dec 14, 2015 at 10:47:26AM -0600, Andrew Jones wrote: > >On Mon, Dec 14, 2015 at 12:31:59PM +0100, Christoffer Dall wrote: > >>Hi all, > >> > >>I'm trying to figure out what the correct solution for libvirt support > >>for ARM KVM guests with GICv3 is. > >> > >>The challenge is that QEMU's virt machine model defaults to GICv2 unless > >>you specify an additional "-machine gic-version=host" parameter to QEMU, > >>in which case your VM gets the same GIC version as your host. > >> > >>Now, I'm told that this is inconvenient for libvirt, because it > >>typically does not pass any -machine options, is that correct? > > > > We do pass some options, for example, you can restrict the GIC to v2: > https://libvirt.org/formatdomain.html#elementsFeatures > > That could be modified to work for your purpose IIUC, right? > How do I figure out which values the version can take (v2, v3, host?) and which QEMU cmdline that translates into? (sorry for my libvirt n00b-ness here.) Thanks, -Christoffer
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