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    SubjectRE: [Xen-devel] [PATCH 1/3] Add mcelog support for xen platform
    Date
    > Perfect. Software is more elastic than hardware - so the Xen ABI
    > for the MCE can be changed then to reflect the new format if required.

    To developers working upstream in open source projects ... yes, software
    does look like it is easy to change. But in the long term software is
    very difficult to change. Enterprise versions for Linux now come with
    up to ten years of support ... and they are expected to be updated with
    support for new hardware for much of their support lifetime. So what goes
    into upstream now will be a support burden for somebody until around 2022.

    So please look at the suggestions that Boris has provided, and think about
    if there is a cleaner, more maintainable way to pass error data around.

    -Tony
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