CPU_STUCK_REASON_SHIFT   12 arch/arm64/include/asm/smp.h #define CPU_BOOT_STATUS_MASK		((UL(1) << CPU_STUCK_REASON_SHIFT) - 1)
CPU_STUCK_REASON_SHIFT   23 arch/arm64/include/asm/smp.h #define CPU_STUCK_REASON_52_BIT_VA	(UL(1) << CPU_STUCK_REASON_SHIFT)
CPU_STUCK_REASON_SHIFT   24 arch/arm64/include/asm/smp.h #define CPU_STUCK_REASON_NO_GRAN	(UL(2) << CPU_STUCK_REASON_SHIFT)