1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0+ 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun================================ 4*4882a593SmuzhiyunDocumentation for /proc/sys/abi/ 5*4882a593Smuzhiyun================================ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun.. See scripts/check-sysctl-docs to keep this up to date: 8*4882a593Smuzhiyun.. scripts/check-sysctl-docs -vtable="abi" \ 9*4882a593Smuzhiyun.. Documentation/admin-guide/sysctl/abi.rst \ 10*4882a593Smuzhiyun.. $(git grep -l register_sysctl_) 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunCopyright (c) 2020, Stephen Kitt 13*4882a593Smuzhiyun 14*4882a593SmuzhiyunFor general info, see :doc:`index`. 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun------------------------------------------------------------------------------ 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunThe files in ``/proc/sys/abi`` can be used to see and modify 19*4882a593SmuzhiyunABI-related settings. 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunCurrently, these files might (depending on your configuration) 22*4882a593Smuzhiyunshow up in ``/proc/sys/kernel``: 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun.. contents:: :local: 25*4882a593Smuzhiyun 26*4882a593Smuzhiyunvsyscall32 (x86) 27*4882a593Smuzhiyun================ 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunDetermines whether the kernels maps a vDSO page into 32-bit processes; 30*4882a593Smuzhiyuncan be set to 1 to enable, or 0 to disable. Defaults to enabled if 31*4882a593Smuzhiyun``CONFIG_COMPAT_VDSO`` is set, disabled otherwide. 32*4882a593Smuzhiyun 33*4882a593SmuzhiyunThis controls the same setting as the ``vdso32`` kernel boot 34*4882a593Smuzhiyunparameter. 35