# SPDX-License-Identifier: GPL-2.0 config HAVE_GENERIC_VDSO bool if HAVE_GENERIC_VDSO config GENERIC_GETTIMEOFDAY bool help This is a generic implementation of gettimeofday vdso. Each architecture that enables this feature has to provide the fallback implementation. config GENERIC_VDSO_32 bool depends on GENERIC_GETTIMEOFDAY && !64BIT help This config option helps to avoid possible performance issues in 32 bit only architectures. config GENERIC_COMPAT_VDSO bool help This config option enables the compat VDSO layer. config CROSS_COMPILE_COMPAT_VDSO string "32 bit Toolchain prefix for compat vDSO" default "" depends on GENERIC_COMPAT_VDSO help Defines the cross-compiler prefix for compiling compat vDSO. If a 64 bit compiler (i.e. x86_64) can compile the VDSO for 32 bit, it does not need to define this parameter. endif