[V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option
bp at alien8.de
Thu Oct 1 04:01:10 PDT 2015
On Thu, Oct 01, 2015 at 10:24:19AM +0000, 河合英宏 / 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?
ECO tip #101: Trim your mails when you reply.
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