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Re: [Xen-devel] Xen/XenoLinux interface versions

To: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen/XenoLinux interface versions
From: Jacob Gorm Hansen <jacob@xxxxxxxx>
Date: Tue, 16 Mar 2004 12:23:00 +0100
Cc: Xen list <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
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On Fri, 2004-03-12 at 00:40, Ian Pratt wrote:

> Christian made the very sensible suggestion that we should pass
> the interface version number in to the domain in one of the
> registers. It could then refuse to run or use a compatibility
> mode. (hopefully the interface version would be sufficiently
> close for it to be able to use HYPERVISOR_console_write to tell
> someone!)

One of the things I liked about working with L4 (and Linux btw) was that
the syscall 
interface was fairly stable and well-documented. Do you think the Xen
interface will stabilise over time, so that most Xen nodes out there
will be binary compatible?

Jacob



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