----- Original Message -----
> 
> 
> ----- Original Message -----
> > Hi
> > 
> > I have tried the arm_get_smp_cpus implementation given below and it works
> > fine on all examples I have tested.
> > 
> > What about ARM64? Same update?
> 
> Maybe later.  ARM64 kdump support is still being developed, and on a live 
> system,
> it seems that I can't offline a cpu:
> 
>   [root@apm-mustang-ev2-03 cpu7]# cat /sys/devices/system/cpu/cpu7/online
>   1
>   [root@apm-mustang-ev2-03 cpu7]# echo 0 > /sys/devices/system/cpu/cpu7/online
>   -bash: echo: write error: Operation not supported
>   [root@apm-mustang-ev2-03 cpu7]#
> 
> So for now I'll just make the change to 32-bit ARM.
> 
> Dave

Queued for crash-7.0.9:

  
https://github.com/crash-utility/crash/commit/25bd7d9bf28c102ebe50908c596047a2a405273b

Dave

   

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