Re: [PATCH] use x86 cpu park to speedup smp_init in kexec situation

[shenkai (D)]

在 2020/12/16 23:31, Thomas Gleixner 写道:
> OTOH, the advantage of INIT/SIPI is that the AP comes up in a well known
> state.

We can set APs to a known state explicitly like BSP will do in kexec 
case (what we also tried

to do in the patch). Maybe it is not a big problem?

Best regards

Kai