[PATCH RFC v3 04/21] ACPI: processor: Register all CPUs from acpi_processor_get_info()
Jonathan Cameron
Jonathan.Cameron at Huawei.com
Thu Dec 14 09:38:02 PST 2023
On Wed, 13 Dec 2023 12:49:31 +0000
Russell King (Oracle) <rmk+kernel at armlinux.org.uk> wrote:
> From: James Morse <james.morse at arm.com>
>
> 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 at arm.com>
> Reviewed-by: Gavin Shan <gshan at redhat.com>
> Tested-by: Miguel Luis <miguel.luis at oracle.com>
> Tested-by: Vishnu Pajjuri <vishnu at os.amperecomputing.com>
> Tested-by: Jianyong Wu <jianyong.wu at arm.com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
LGTM as well.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
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