CONFIG_RISCV_SLOW_UNALIGNED_ACCESS is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv
default or selected kernelversion does not have config value CONFIG_RISCV_SLOW_UNALIGNED_ACCESS.
Result is shown for kernelversion 6.9-rc4

Assume the system supports slow unaligned memory accesses

configname: CONFIG_RISCV_SLOW_UNALIGNED_ACCESS

Unaligned Accesses Support
└─>Assume the system supports slow unaligned memory accesses
Assume that the system supports slow unaligned memory accesses. The
kernel and userspace programs may not be able to run at all on systems
that do not support unaligned memory accesses.