CONFIG_DEBUG_TLB_SANITY: Debug TLB sanity

General informations

The Linux kernel configuration item CONFIG_DEBUG_TLB_SANITY:

• prompt: Debug TLB sanity
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_MMU
• defined in arch/xtensa/Kconfig.debug
• found in Linux kernels: 3.11–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

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.

Hardware

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This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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