Messages in this thread | | | Subject | Re: [PATCH v5] pseries: prevent free CPU ids to be reused on another node | From | Laurent Dufour <> | Date | Tue, 3 Aug 2021 19:37:50 +0200 |
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Le 03/08/2021 à 18:54, Nathan Lynch a écrit : > Laurent Dufour <ldufour@linux.ibm.com> writes: >> V5: >> - Rework code structure >> - Reintroduce the capability to reuse other node's ids. > > OK. While I preferred v4, where we would fail an add rather than allow > CPU IDs to appear to "travel" between nodes, this change is a net > improvement. > > Reviewed-by: Nathan Lynch <nathanl@linux.ibm.com> >
Thanks Nathan,
Regarding the reuse of other nodes free CPU ids, with this patch the kernel does it best to prevent that. Instead of failing adding new CPUs, I think it's better to reuse free CPU ids of other nodes, otherwise, only a reboot would allow the CPU adding operation to succeed.
Laurent.
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