[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/7] xen: groundwork for xen support
On Mon, Jul 28, 2008 at 04:52:28PM +0200, Gerd Hoffmann wrote: > >> +/* xen_machine.c */ > >> +extern QEMUMachine xenpv_machine; > >> +extern QEMUMachine xenfv_machine; > > > > Why does xenfv need its own machine type? > > This is how xen's qemu-dm handles it at the moment and I've decided to > do it the same way for simplicity. I think qemu could also figure it > using a hypercall. This is something I originally added to QEMU in Xen's tree. The basic idea is that the 'xenpv' macjine is a machine which /only/ provides the paravirtualized Xen backends drivers. The 'xenfv' machine type is just the same as the 'pc' machine type, but with the /addition/ of the Xen paravirtualized backends. Perhaps the latter could be thought of as more of a 'xenpc' (cf 'pc' and 'isapc') becasue its a variation on the regular PC machine type. Annoying that all the acronyms I come up with only differ by one letter :-) Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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