Changelog: v1->v2: change __setup() to early_param() v2->v3: fix kabi because #include <linux/sched/isolation.h> modify defconfig Xiongfeng Wang (4): isolation: Do not check whether housekeeping CPUs are present isolation: Check whether all the housekeeping CPUs are online arm64: Kconfig: select ARCH_SUSPEND_NONZERO_CPU by default arm64: defconfig: Enable CONFIG_ARCH_SUSPEND_NONZERO_CPU arch/arm64/Kconfig | 3 ++ arch/arm64/configs/openeuler_defconfig | 2 ++ include/linux/cpu.h | 5 +++- include/linux/sched/isolation.h | 5 ++++ kernel/sched/isolation.c | 39 +++++++++++++++++++++++--- kernel/smp.c | 4 +++ kernel/time/tick-sched.c | 5 +++- 7 files changed, 57 insertions(+), 6 deletions(-) -- 2.30.0