Am Freitag, 25. März 2022, 15:38:22 CET schrieb Helge Deller:
> Switch away from the own cpu topology code to common code which is used
> by ARM64 and RISCV. That allows us to enable hotplug later on too.
> diff --git a/arch/parisc/kernel/topology.c b/arch/parisc/kernel/topology.c
> index e88a6ce7c96d..72d9aeb54fbe 100644
> --- a/arch/parisc/kernel/topology.c
> +++ b/arch/parisc/kernel/topology.c
> @@ -71,6 +37,12 @@ void __init store_cpu_topology(unsigned int cpuid)
> if (cpuid_topo->core_id != -1)
> return;
>
> +#ifdef CONFIG_HOTPLUG_CPU
> + per_cpu(cpu_devices, cpuid).hotpluggable = 1;
> +#endif
> + if (register_cpu(&per_cpu(cpu_devices, cpuid), cpuid))
> + printk("Failed to register CPU device");
> +
This seems to be missing a level, and I think also printing the id of the
failing CPU wouldn't hurt either.
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