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;