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    SubjectRe: [PATCH 1/10] lguest: Don't rely on last-linked fallthru when no paravirt handler
    Rusty Russell wrote:
    > If we make it thought early_fault, this will do just that.
    >
    > Given this is a "never happens" situation, however... if you're actually
    > under Xen or lguest, you won't make it that far (lguest, at least, will
    > kill you on the cr2 load in early_fault, but it doesn't matter because
    > we won't get anywhere with early_printk anyway).
    >
    > Actually, if we did BUG() here at least lguest would print something...
    > I wonder what Xen would do...

    Xen would print a complete register dump and backtrace. There's not a
    lot else you can do here; you could try early_printk, but if we're in a
    strange virtual environment, there may be no device on which the output
    could appear.

    J

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