arm64: initial CPU hotplug support
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1 of 5 patches is in this archive. The cover letter announces 5.
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| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 2/5 | arm64: factor out spin-table boot method | +0 | 0 replies |
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Cover letter [PATCHv3 0/5] arm64: initial CPU hotplug support
Quoted 3 lines · Mark Rutland
The following patches add basic
HOTPLUG_CPUsupport to arm64, which combined with appropriate firmware (e.g. [1]) can be used to power CPUs up and down dynamically.
Just for the record, couple of points:
- as we will be expanding the PSCI operations with cpu_suspend, it makes more sense to decouple it from SMP and rename smp_operations to cpu_operations (or something else without 'smp').
- migrate_irqs() is pretty generic. You can look at arm and other architectures and maybe (later) move the code somewhere in kernel/irq/.
Otherwise the patches look good.
Thanks.
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