[PATCH OLK-6.6 0/2] arm64: Add config switch and kernel parameter for

Some features depend on cpu0. Cpu0 offline may cause some problems or malfunctions. Known dependency may be: MegaRAID Tri-Mode SAS3508 may block the reboot process after offline CPU0. Add config switch and kernel parameter for CPU0 hotplug to avoid these issues for arm64 platform. Zheng Zengkai (2): arm64: Add config switch and kernel parameter for CPU0 hotplug config: disable config ARM64_BOOTPARAM_HOTPLUG_CPU0 by default .../admin-guide/kernel-parameters.txt | 8 ++++++ arch/arm64/Kconfig | 28 +++++++++++++++++++ arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/kernel/setup.c | 21 ++++++++++++-- 4 files changed, 56 insertions(+), 2 deletions(-) -- 2.20.1