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Re: [Xen-devel] [PATCH v5 RFC 01/14] docs: libxc migration stream specification

On Wed, 2014-06-11 at 19:14 +0100, Andrew Cooper wrote:
> +The following features are not yet fully specified and will be
> +included in a future draft.
> +
> +* Remus

What is the plan for Remus here?

It has pretty large implications for the flow of a migration stream and
therefore on the code in the final two patches, I suspect it will
require high level changes to those functions, so I'm reluctant to spend
a lot of time on them as they are.

> +---------
> +
> +An opaque blob provided by and supplied to the higher layers of the
> +toolstack (e.g., libxl) during save and restore.
> +
> +> This is only temporary -- the intension is the toolstack takes care


(please run a spell checker over this document, if it's anything like
the code comments I've seen while reviewing it will be full of spelling

> +> of this itself.  This record is only present for early development
> +> purposes and will be removed before submissions, along with changes
> +> to libxl which cause libxl to handle this data itself.

How confident are you that this can be done before 4.5? I suspect that
it's going to involve an awful lot of replumbing.

I also think it will interact in exciting ways with the remus stuff.

I think we need to start seeing the start of concrete plans for both of
these things ASAP.


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