[PATCH v4 0/2] arm64: acpi: Fix NULL kobject warning in cpuhp_smt_enable()

From: Jinjie Ruan

Date: Wed Jun 10 2026 - 03:53:35 EST


Fix NULL kobject warning in cpuhp_smt_enable().

Change in v4:
- Fix hot-unplug tearing as Sashiko AI code review pointed out
by forcing unregistration.
- Update the arm64 hotplug doc.
- Update the commit message.

Jinjie Ruan (2):
arm64: smp: Fix hot-unplug tearing by forcing unregistration
cpu/hotplug: Fix NULL kobject warning in cpuhp_smt_enable()

Documentation/arch/arm64/cpu-hotplug.rst | 28 ++++++++++++++----------
arch/arm64/kernel/acpi.c | 2 ++
arch/arm64/kernel/smp.c | 28 ++++++++++++------------
3 files changed, 32 insertions(+), 26 deletions(-)

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2.34.1