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# SPDX-License-Identifier: GPL-2.0
menu "Kernel hacking"
source "lib/Kconfig.debug"
config DEBUG_TLB_SANITY
bool "Debug TLB sanity"
depends on DEBUG_KERNEL && MMU
help
Enable this to turn on TLB sanity check on each entry to userspace.
This check can spot missing TLB invalidation/wrong PTE permissions/
premature page freeing.
If unsure, say N.
config LD_NO_RELAX
bool "Disable linker relaxation"
default y
help
Enable this function to disable link-time optimizations.
The default linker behavior is to combine identical literal
values to reduce code size and remove unnecessary overhead from
assembler-generated 'longcall' sequences.
Enabling this option improves the link time but increases the
code size, and possibly execution time.
config S32C1I_SELFTEST
bool "Perform S32C1I instruction self-test at boot"
default y
help
Enable this option to test S32C1I instruction behavior at boot.
Correct operation of this instruction requires some cooperation from hardware
external to the processor (such as bus bridge, bus fabric, or memory controller).
It is easy to make wrong hardware configuration, this test should catch it early.
Say 'N' on stable hardware.
endmenu
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