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SubjectRe: [V6][PATCH 4/6] x86, nmi: add in logic to handle multiple events and unknown NMIs
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On Fri, 2011-09-23 at 15:17 -0400, Don Zickus wrote:
> + /*
> + * Use 'false' as back-to-back NMIs are dealt with one level up.
> + * Of course this makes having multiple 'unknown' handlers useless
> + * as only the first one is ever run (unless it can actually determine
> + * if it caused the NMI)
> + */
> + handled = nmi_handle(NMI_UNKNOWN, regs, false);

Shouldn't we then also add something like:

WARN_ON_ONCE(type == NMI_UNKNOWN && !list_empty(&desc->head));

to __setup_nmi()?




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