[Help Test] kdump, x86, acpi: Reproduce CPU0 SMI corruption issue after unsetting BSP flag

[Eric W. Biederman]

>
>Sorry Eric, I'm not clear to what you mean by ``short one core''...
>Which are you suggesting? Disabling BSP if crash happens on AP is
>reasonable?
>Or restricting cpus to a single one only just as the current kdump
>configuration is reasonable?

I am suggesting we start every cpu except the BSP from the AP we started on.

N-1 cpus seems like a good tradeoff between performance and reliability for those who need it.

Eric