--- linux-4.9.37/arch/arm/vdso/vgettimeofday.c 2017-07-12 16:42:41.000000000 +0300 +++ linux-4.9.y/arch/arm/vdso/vgettimeofday.c 2021-06-07 13:01:32.000000000 +0300 @@ -115,7 +115,7 @@ return 0; } -#ifdef CONFIG_ARM_ARCH_TIMER +#if defined (CONFIG_ARM_ARCH_TIMER) && defined(CONFIG_ARM_ARCH_TIMER_VCT_ACCESS) static notrace u64 get_ns(struct vdso_data *vdata) {