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1# SPDX-License-Identifier: GPL-2.02 3config HAVE_GENERIC_VDSO4 bool5 6if HAVE_GENERIC_VDSO7 8config GENERIC_GETTIMEOFDAY9 bool10 help11 This is a generic implementation of gettimeofday vdso.12 Each architecture that enables this feature has to13 provide the fallback implementation.14 15config GENERIC_VDSO_3216 bool17 depends on GENERIC_GETTIMEOFDAY && !64BIT18 help19 This config option helps to avoid possible performance issues20 in 32 bit only architectures.21 22config GENERIC_COMPAT_VDSO23 bool24 help25 This config option enables the compat VDSO layer.26 27config GENERIC_VDSO_TIME_NS28 bool29 help30 Selected by architectures which support time namespaces in the31 VDSO32 33config GENERIC_VDSO_OVERFLOW_PROTECT34 bool35 help36 Select to add multiplication overflow protection to the VDSO37 time getter functions for the price of an extra conditional38 in the hotpath.39 40endif41 42config VDSO_GETRANDOM43 bool44 help45 Selected by architectures that support vDSO getrandom().46