11013d4d9SStephen Kitt.. SPDX-License-Identifier: GPL-2.0+ 21013d4d9SStephen Kitt 353b95375SMauro Carvalho Chehab================================ 453b95375SMauro Carvalho ChehabDocumentation for /proc/sys/abi/ 553b95375SMauro Carvalho Chehab================================ 653b95375SMauro Carvalho Chehab 79f35cf8bSStephen Kitt.. See scripts/check-sysctl-docs to keep this up to date: 89f35cf8bSStephen Kitt.. scripts/check-sysctl-docs -vtable="abi" \ 99f35cf8bSStephen Kitt.. Documentation/admin-guide/sysctl/abi.rst \ 109f35cf8bSStephen Kitt.. $(git grep -l register_sysctl_) 1153b95375SMauro Carvalho Chehab 129f35cf8bSStephen KittCopyright (c) 2020, Stephen Kitt 1353b95375SMauro Carvalho Chehab 14*2793e19dSMauro Carvalho ChehabFor general info, see Documentation/admin-guide/sysctl/index.rst. 1553b95375SMauro Carvalho Chehab 1653b95375SMauro Carvalho Chehab------------------------------------------------------------------------------ 1753b95375SMauro Carvalho Chehab 189f35cf8bSStephen KittThe files in ``/proc/sys/abi`` can be used to see and modify 199f35cf8bSStephen KittABI-related settings. 2053b95375SMauro Carvalho Chehab 219f35cf8bSStephen KittCurrently, these files might (depending on your configuration) 229f35cf8bSStephen Kittshow up in ``/proc/sys/kernel``: 2353b95375SMauro Carvalho Chehab 249f35cf8bSStephen Kitt.. contents:: :local: 2553b95375SMauro Carvalho Chehab 269f35cf8bSStephen Kittvsyscall32 (x86) 279f35cf8bSStephen Kitt================ 2853b95375SMauro Carvalho Chehab 299f35cf8bSStephen KittDetermines whether the kernels maps a vDSO page into 32-bit processes; 309f35cf8bSStephen Kittcan be set to 1 to enable, or 0 to disable. Defaults to enabled if 31751d5b27SAndrew Klychkov``CONFIG_COMPAT_VDSO`` is set, disabled otherwise. 3253b95375SMauro Carvalho Chehab 339f35cf8bSStephen KittThis controls the same setting as the ``vdso32`` kernel boot 349f35cf8bSStephen Kittparameter. 35