VDSO_PRECISION_MASK 36 arch/arm64/include/asm/vdso/vsyscall.h vdata[CS_HRES_COARSE].mask = VDSO_PRECISION_MASK; VDSO_PRECISION_MASK 37 arch/arm64/include/asm/vdso/vsyscall.h vdata[CS_RAW].mask = VDSO_PRECISION_MASK;