[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 6/9] Linux support for vdevice bus
On 6/6/06, Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote: Subject: Linux support for vdevice bus This patch provides the Linux implementation of the vdevice bus. FIXME: currently it does not support save/restore of the domain: it should call stop before shutting down, and remap shares afterwards before calling reconnect. This depends on exactly what we do with shared pages on restore. In general I find the 'remember to suspend on save' approach that we are currently using for xenbus and drivers problematic, and I much favor a 'reset on resume' approach instead. Sometimes when doing a save (or migration, or, in my case, self-migration), the domain wants to continue running after the save, and then having to shut down all external devices just to immediately resume them is inelegant and often creates a lot of trouble. If we are to change the IPC/sharing mechanism (and you make some good arguments for that), I think we should design for 'reset on resume' rather than 'suspend-on-save'. Just my DKK0.02. Jacob _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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