| Date | Mon, 13 Nov 2023 10:42:46 +1000 | Subject | Re: [PATCH RFC 07/22] drivers: base: Allow parts of GENERIC_CPU_DEVICES to be overridden | From | Gavin Shan <> |
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On 11/7/23 20:29, Russell King (Oracle) wrote: > From: James Morse <james.morse@arm.com> > > 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 <james.morse@arm.com> > Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> > --- > Changes since RFC: > * Dropped __init from x86/ia64 arch_register_cpu() > Changes since RFC v2: > * Dropped unnecessary Loongarch asm/cpu.h changes > --- > drivers/base/cpu.c | 14 ++++++++++---- > include/linux/cpu.h | 4 ++++ > 2 files changed, 14 insertions(+), 4 deletions(-) >
Reviewed-by: Gavin Shan <gshan@redhat.com>
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