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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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