[RFC PATCH 5/5] powerpc/smp: Remap boot CPU onto core 0 if >= nr_cpu_ids

[Wen Xiong]

>>And loop in Wen Xiong and Ming Lei, who care for this issue too.


Hi Pingfan, Thanks for your email!

Hi Michael,

Thanks for your new patchset!

In past month, Our several test team have modified /etc/sysconfig/kdump file with nr_cpus=1, triggered kdump over the following IO devices and  kdump works fine with generating vmcore file.

Test kernel:  the latest upstream kernel + your patchset
                      the latest rhel94 kernel + backport of your patchset

Test hardware: Nvme drives, FC adapter, NVmf-over-FC

Test device drivers: nvme, lpfc, nvme-fc

Thanks for your work! Please consideration for inclusion in upstream kernel.

Thanks for your help!
Wendy

> the problems that have been seen. I've tested this fairly thoroughly 
> with a qemu script, and also a few boots on a real machine.
>
> If you can test it with your setups that would be great. Hopefully 
> there isn't some obscure case I've missed.
>
> cheers
>