CONFIG_TLB_PTLOCK: Use page table locks in TLB fault handler

General informations

The Linux kernel configuration item CONFIG_TLB_PTLOCK has multiple definitions:

Use page table locks in TLB fault handler found in arch/parisc/Kconfig.debug

The configuration item CONFIG_TLB_PTLOCK:

• prompt: Use page table locks in TLB fault handler
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SMP
• defined in arch/parisc/Kconfig.debug
• found in Linux kernels: 6.5–6.14, 6.15-rc+HEAD

Help text

Select this option to enable page table locking in the TLB fault handler. This ensures that page table entries are updated consistently on SMP machines at the expense of some loss in performance.

Use page table locks in TLB fault handler found in arch/parisc/Kconfig

The configuration item CONFIG_TLB_PTLOCK:

• prompt: Use page table locks in TLB fault handler
• type: bool
• depends on: CONFIG_SMP
• defined in arch/parisc/Kconfig
• found in Linux kernels: 5.12–5.19, 6.0–6.4

Help text

Select this option to enable page table locking in the TLB fault handler. This ensures that page table entries are updated consistently on SMP machines at the expense of some loss in performance.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

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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