Re: [Xen-devel] Feasability of a shared memory mapping filesyste

> So, is this possible? If so, how difficult are we talking? Does xen have
> a mechanism for sharing a page of memory between multiple domains, and
> if so would there be any additional support required from xen or would
> it just be a matter of implementing the xenolinux filesystem?

Inter-domain shared memory transport is beginning to appear in
the 1.3 tree, and there are plans for a shared buffer cache.

We've been waiting until the new IO architecture is in place
before implementing the latter, since it has impact on the
design. Let me know if you'd like to get involved...

Best,
Ian


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