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    SubjectRE: [PATCH 4/6] x86-mce: Add spinlocks to prevent duplicated MCP and CMCI reports.
    Date
    > I don't think we got the description right here. I think the real
    > issue here was machine check polls happening on multiple CPUs with
    > shared banks, all reporting the same MCEs. This is very reproducible
    > when booting with mce=no_cmci, since all CPUs will handle all banks,
    > and there's AFAICT no good way to identify shared banks without
    > enabling CMCI.

    Ok - then update the description to enumerate the problem cases.
    Probably:

    *) mce=no_cmci
    *) Intel cpus with MCG_CAP.MCG_CMCI_P=0
    *) AMD cpus (they don't do CMCI at all, do they??)

    -Tony
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