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

[Peter Zijlstra]

On Fri, Sep 25, 2015 at 08:28:11PM +0900, Hidehiro Kawai wrote:
> This patch introduces new boot option "noextnmi" which disables
> external NMI.  This option is useful for the dump capture kernel
> so that an HA application or administrator wouldn't mistakenly
> shoot down the kernel by NMI.

So that they can get really stuck when the crash kernel crashes, right?
;-)