Re: [PATCH v2] pseries: prevent free CPU ids to be reused on another node

2021-04-02 Thread Nathan Lynch
Laurent Dufour writes: > Le 02/04/2021 à 15:34, Nathan Lynch a écrit : >> Laurent Dufour writes: >>> When a CPU is hot added, the CPU ids are taken from the available mask from >>> the lower possible set. If that set of values was previously used for CPU >>> attached to a different node, this

Re: [PATCH v2] pseries: prevent free CPU ids to be reused on another node

2021-04-02 Thread Laurent Dufour
Thanks Nathan for reviewing this. Le 02/04/2021 à 15:34, Nathan Lynch a écrit : Hi Laurent, Laurent Dufour writes: When a CPU is hot added, the CPU ids are taken from the available mask from the lower possible set. If that set of values was previously used for CPU attached to a different

Re: [PATCH v2] pseries: prevent free CPU ids to be reused on another node

2021-04-02 Thread Nathan Lynch
Hi Laurent, Laurent Dufour writes: > When a CPU is hot added, the CPU ids are taken from the available mask from > the lower possible set. If that set of values was previously used for CPU > attached to a different node, this seems to application like if these CPUs > have migrated from a node to

[PATCH v2] pseries: prevent free CPU ids to be reused on another node

2021-03-25 Thread Laurent Dufour
When a CPU is hot added, the CPU ids are taken from the available mask from the lower possible set. If that set of values was previously used for CPU attached to a different node, this seems to application like if these CPUs have migrated from a node to another one which is not expected in real