> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Wednesday, January 14, 2015 12:06 AM > > >>> On 13.01.15 at 17:00, <george.dun...@eu.citrix.com> wrote: > > Another option I was thinking about: Before assigning a device to a > > guest, you have to unplug the device and assign it to pci-back (e.g., > > with xl pci-assignable-add). In addition to something like rmmr=host, > > we could add rmrr=assignable, which would add all of the RMRRs of all > > devices currently listed as "assignable". The idea would then be that > > you first make all your devices assignable, then just start your guests, > > and everything you've made assignable will be able to be assigned. > > Nice idea indeed, but I'm not sure about its practicability: It may > not be desirable to make all devices eventually to be handed to a > guest prior to starting any of the guests it may get handed to. In > particular there may be reasons why the host needs the device > while (or until after) creating the guests. >
and I'm not sure whether there's enough knowledge to judge whether a device is assignable since potential conflicts may be detected only when the guest is launched. Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
