Re: [PATCH 07/21] drivers: base: Allow parts of GENERIC_CPU_DEVICES to be overridden
Jonathan Cameron <[email protected]> Thu, 30 Nov 2023 16:50:11 +0000
| Newsgroups | gmane.linux.kernel,gmane.linux.power-management.general,gmane.linux.acpi.devel,gmane.linux.kernel.cross-arch,gmane.linux.ports.arm.kernel,gmane.linux.ports.riscv,gmane.linux.documentation,gmane.linux.ports.ia64,gmane.linux.ports.parisc |
|---|---|
| Organization | Huawei Technologies Research and Development (UK) Ltd. |
| Message-ID | <[email protected]> |
On Tue, 21 Nov 2023 13:44:25 +0000 Russell King <[email protected]> wrote: > From: James Morse <[email protected]> > > Architectures often have extra per-cpu work that needs doing > before a CPU is registered, often to determine if a CPU is > hotpluggable. > > To allow the ACPI architectures to use GENERIC_CPU_DEVICES, move > the cpu_register() call into arch_register_cpu(), which is made __weak > so architectures with extra work can override it. > This aligns with the way x86, ia64 and loongarch register hotplug CPUs > when they become present. > > Signed-off-by: James Morse <[email protected]> > Reviewed-by: Shaoqin Huang <[email protected]> > Reviewed-by: Gavin Shan <[email protected]> > Signed-off-by: Russell King (Oracle) <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]>