On Fri, Aug 30, 2019 at 06:13:45PM +0200, Laurent Vivier wrote:
> When we hotplug a CPU on memory-less/cpu-less node, the linux kernel
> crashes.
>
> This happens because linux kernel needs to know the NUMA topology at
> start to be able to initialize the distance lookup table.
>
> On pseries, th
On Fri, Aug 30, 2019 at 06:13:45PM +0200, Laurent Vivier wrote:
> When we hotplug a CPU on memory-less/cpu-less node, the linux kernel
> crashes.
>
> This happens because linux kernel needs to know the NUMA topology at
> start to be able to initialize the distance lookup table.
>
> On pseries, th
When we hotplug a CPU on memory-less/cpu-less node, the linux kernel
crashes.
This happens because linux kernel needs to know the NUMA topology at
start to be able to initialize the distance lookup table.
On pseries, the topology is provided by the firmware via the existing
CPUs and memory inform