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# 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 GENERIC_VDSO_TIME_NS bool help Selected by architectures which support time namespaces in the VDSO config GENERIC_VDSO_OVERFLOW_PROTECT bool help Select to add multiplication overflow protection to the VDSO time getter functions for the price of an extra conditional in the hotpath. endif config VDSO_GETRANDOM bool help Selected by architectures that support vDSO getrandom().