CONFIG_RISCV_COMBO_SPINLOCKS is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv

Using combo spinlock

configname: CONFIG_RISCV_COMBO_SPINLOCKS

RISC-V spinlock type
└─>Using combo spinlock
In linux kernel since version 6.13 (release Date: 2025-01-19)  
Embed both queued spinlock and ticket lock so that the spinlock
implementation can be chosen at runtime.