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

Jonathan Cameron <[email protected]> Thu, 14 Dec 2023 17:38:02 +0000
Newsgroups org.kernel.vger.linux-ia64,dev.linux.lists.acpica-devel,dev.linux.lists.kvmarm,dev.linux.lists.loongarch,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-acpi,org.kernel.vger.linux-arch,org.kernel.vger.linux-csky,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-parisc,org.kernel.vger.linux-pm
Organization Huawei Technologies Research and Development (UK) Ltd.
Message-ID <[email protected]>
On Wed, 13 Dec 2023 12:49:31 +0000
Russell King (Oracle) <[email protected]> wrote:

> From: James Morse <[email protected]>
> 
> 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 <[email protected]>
> Reviewed-by: Gavin Shan <[email protected]>
> Tested-by: Miguel Luis <[email protected]>
> Tested-by: Vishnu Pajjuri <[email protected]>
> Tested-by: Jianyong Wu <[email protected]>
> Signed-off-by: Russell King (Oracle) <[email protected]>
LGTM as well.

Reviewed-by: Jonathan Cameron <[email protected]>