[V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

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On Thu, Oct 01, 2015 at 10:24:19AM +0000, ???? / KAWAI?HIDEHIRO wrote:
> But how do we check if the starting kernel is a dump capture kernel?

How does that first kernel pass info to the capture kernel?

> I think using cmdline option is the simplest way.

More often than not, simplest != correct.

What happens if I pass this option to the first kernel? All of a sudden
my *first* kernel doesn't get external NMIs.

Do you catch my drift?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.



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