--- zzzz-none-000/linux-3.10.107/arch/x86/include/asm/delay.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/x86/include/asm/delay.h 2021-02-04 17:41:59.000000000 +0000 @@ -4,5 +4,6 @@ #include void use_tsc_delay(void); +void use_mwaitx_delay(void); #endif /* _ASM_X86_DELAY_H */