1 .. SPDX-License-Identifier: GPL-2.0+ 2 3 ================================ 4 Documentation for /proc/sys/abi/ 5 ================================ 6 7 .. See scripts/check-sysctl-docs to keep this up to date: 8 .. scripts/check-sysctl-docs -vtable="abi" \ 9 .. Documentation/admin-guide/sysctl/abi.rst \ 10 .. $(git grep -l register_sysctl_) 11 12 Copyright (c) 2020, Stephen Kitt 13 14 For general info, see Documentation/admin-guide/sysctl/index.rst. 15 16 ------------------------------------------------------------------------------ 17 18 The files in ``/proc/sys/abi`` can be used to see and modify 19 ABI-related settings. 20 21 Currently, these files might (depending on your configuration) 22 show up in ``/proc/sys/kernel``: 23 24 .. contents:: :local: 25 26 vsyscall32 (x86) 27 ================ 28 29 Determines whether the kernels maps a vDSO page into 32-bit processes; 30 can be set to 1 to enable, or 0 to disable. Defaults to enabled if 31 ``CONFIG_COMPAT_VDSO`` is set, disabled otherwise. 32 33 This controls the same setting as the ``vdso32`` kernel boot 34 parameter.
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