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arm64: add CPU_HOTPLUG infrastructure
This patch adds the basic infrastructure necessary to support CPU_HOTPLUG on arm64, based on the arm implementation. Actual hotplug support will depend on an implementation's cpu_operations (e.g. PSCI). Signed-off-by:Mark Rutland <mark.rutland@arm.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com>
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- arch/arm64/Kconfig 7 additions, 0 deletionsarch/arm64/Kconfig
- arch/arm64/include/asm/cpu_ops.h 9 additions, 0 deletionsarch/arm64/include/asm/cpu_ops.h
- arch/arm64/include/asm/irq.h 1 addition, 0 deletionsarch/arm64/include/asm/irq.h
- arch/arm64/include/asm/smp.h 5 additions, 0 deletionsarch/arm64/include/asm/smp.h
- arch/arm64/kernel/cputable.c 1 addition, 1 deletionarch/arm64/kernel/cputable.c
- arch/arm64/kernel/irq.c 61 additions, 0 deletionsarch/arm64/kernel/irq.c
- arch/arm64/kernel/process.c 7 additions, 0 deletionsarch/arm64/kernel/process.c
- arch/arm64/kernel/smp.c 96 additions, 0 deletionsarch/arm64/kernel/smp.c
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