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    SubjectRe: [RFC] x86, NMI, Treat unknown NMI as hardware error

    * huang ying <huang.ying.caritas@gmail.com> wrote:

    > > What should be done instead is to add an event for unknown NMIs, which can
    > > then be processed by the RAS daemon to implement policy.
    > >
    > > By using 'active' event filters it could even be set on a system to panic
    > > the box by default.
    >
    > If there is real fatal hardware error, maybe we have no luxury to go from NMI
    > handler to user space RAS daemon to determine what to do. System may explode,
    > bad data may go to disk before that.

    That is why i suggested:

    > > By using 'active' event filters it could even be set on a system to panic
    > > the box by default.

    event filters are evaluated in the kernel, so the panic could be instantaneous,
    without the event having to reach user-space.

    Thanks,

    Ingo


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