Re: [PATCH RFC v3 04/21] ACPI: processor: Register all CPUs from acpi_processor_get_info()

From: Jonathan Cameron
Date: Thu Dec 14 2023 - 12:38:26 EST


On Wed, 13 Dec 2023 12:49:31 +0000
Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> wrote:

> From: James Morse <james.morse@xxxxxxx>
>
> To allow ACPI to skip the call to arch_register_cpu() when the _STA
> value indicates the CPU can't be brought online right now, move the
> arch_register_cpu() call into acpi_processor_get_info().
>
> Systems can still be booted with 'acpi=off', or not include an
> ACPI description at all. For these, the CPUs continue to be
> registered by cpu_dev_register_generic().
>
> This moves the CPU register logic back to a subsys_initcall(),
> while the memory nodes will have been registered earlier.
>
> Signed-off-by: James Morse <james.morse@xxxxxxx>
> Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>
> Tested-by: Miguel Luis <miguel.luis@xxxxxxxxxx>
> Tested-by: Vishnu Pajjuri <vishnu@xxxxxxxxxxxxxxxxxxxxxx>
> Tested-by: Jianyong Wu <jianyong.wu@xxxxxxx>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
LGTM as well.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>