1# SPDX-License-Identifier: GPL-2.0 2 3config HAVE_GENERIC_VDSO 4 bool 5 6if HAVE_GENERIC_VDSO 7 8config GENERIC_GETTIMEOFDAY 9 bool 10 help 11 This is a generic implementation of gettimeofday vdso. 12 Each architecture that enables this feature has to 13 provide the fallback implementation. 14 15config GENERIC_VDSO_TIME_NS 16 bool 17 help 18 Selected by architectures which support time namespaces in the 19 VDSO 20 21config GENERIC_VDSO_OVERFLOW_PROTECT 22 bool 23 help 24 Select to add multiplication overflow protection to the VDSO 25 time getter functions for the price of an extra conditional 26 in the hotpath. 27 28endif 29 30config VDSO_GETRANDOM 31 bool 32 help 33 Selected by architectures that support vDSO getrandom(). 34 35config GENERIC_VDSO_DATA_STORE 36 bool 37 help 38 Selected by architectures that use the generic vDSO data store. 39