[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen: make (set|get)_xen_guest_handle available
On 30/07/2009 11:34, "Christoph Egger" <Christoph.Egger@xxxxxxx> wrote: >> Actually I don't see why you'd have code like this. *You*, the guest, gets >> to specify __XEN_INTERFACE_VERSION__ -- that is the point of it -- so >> ifdef'ing based on it in the guest is stupid. >> >> Just specify __XEN_INTERFACE_VERSION__ to be recent enough to have the >> guest handles, and then remove your ifdefs. Simple. > > The point is to keep backward compatibility. The patch makes Xen more friendly > with using the old non-structured guest handler if the user wants. > > NetBSD offers both way to build & run it with either using the old or new > interface. This allows a smooth migration. Am I going to regret asking: Why? You only need to pick one API version (__XEN_INTERFACE_VERSION__) -- the resulting binaries will work with any Xen 3.x (since we guarantee ABI compatibility). -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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