Messages in this thread | | | From | Stewart Smith <> | Subject | Re: [PATCH] cpuidle/powernv : init all present cpus for deep states | Date | Wed, 16 May 2018 10:22:22 -0500 |
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Akshay Adiga <akshay.adiga@linux.vnet.ibm.com> writes: > Init all present cpus for deep states instead of "all possible" cpus. > Init fails if the possible cpu is gaurded. Resulting in making only > non-deep states available for cpuidle/hotplug.
Should this also head to stable? It means that for single threaded workloads, if you guard out a CPU core you'll not get WoF, which means that performance goes down when you wouldn't expect it to. Right?
-- Stewart Smith OPAL Architect, IBM.
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