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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.


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