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xen-devel
Re: [Xen-devel] [PATCH 08/11] libxl: Per-domain data storage for the con
On 25/03/10 19:04, Ian Jackson wrote:
We provide a mechanism whereby a user of the libxl library is able to
store some information alongside the domain. The information stored
is a block of bytes. Its lifetime is that of the domain - ie the
userdata is garbage collected alongside the domain if the domain is
destroyed. (This is why the feature needs to be in libxl and cannot
be implemented in the user itself or in libxlutil.)
The domain is never garbage collected without having the toolstack knows
about it (thinks crash gathering, other resources cleanups, policy
choosing).
if the toolstack knows about it, it can do anything it want which
include removing some extra userdata that it wants to store (and that
doesn't have to have a special hardcoded path for it)
--
Vincent
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