On Tue, Nov 16, 2010 at 10:41:25AM -0600, Anthony Liguori wrote: > On 11/16/2010 10:10 AM, Anthony PERARD wrote: > >On Mon, 15 Nov 2010, Anthony Liguori wrote: > > > > > >>On 11/15/2010 09:45 AM, anthony.per...@citrix.com wrote: > >> > >>>From: Anthony PERARD<anthony.per...@citrix.com> > >>> > >>>This option gives the ability to switch one "accelerator" like kvm, xen > >>>or the default one tcg. We can specify more than one accelerator by > >>>separate them by a comma. QEMU will try each one and use the first whose > >>>works. > >>> > >>>So, > >>> > >>>-accel xen,kvm,tcg > >>> > >>>which would try Xen support first, then KVM and finaly tcg if none of > >>>the other works. > >>> > >>> > >>Should use QemuOpts instead of parsing by hand. > >> > >Ok for that. > > > > > >>I'd rather it be > >>presented as a -machine option too with accel=xen:kvm:tcg to specify > >>order. > >> > >This is not clear to me, did you mean that you prefer to have both > >"-accel accels" and "-machine accel=accels" options? > > > > Just -machine accel=accels. > > Part of my rational is that accelerator is a machine property. If you > do -M xenpv it ought to imply -machine accel=xen.
Surely, only if it is running on a Xen Dom0. If you use -M xenpv on a KVM host, then -M xenpv should imply -machine accel=kvm (ie it would be using xenner) Regards, Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://deltacloud.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|