CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES (not configurable)
configname: CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES
Linux Kernel Configuration
└─>General architecture-dependent options
└─>HAVE_ARCH_WITHIN_STACK_FRAMES
In linux kernel since version 4.1 (release Date: 2015-06-21)
An architecture should select this if it can walk the kernel stack
frames to determine if an object is part of either the arguments
or local variables (i.e. that it excludes saved return addresses,
and similar) by implementing an inline arch_within_stack_frames(),
which is used by CONFIG_HARDENED_USERCOPY.
frames to determine if an object is part of either the arguments
or local variables (i.e. that it excludes saved return addresses,
and similar) by implementing an inline arch_within_stack_frames(),
which is used by CONFIG_HARDENED_USERCOPY.