CONFIG_VDSO: Enable VDSO for acceleration of some system calls

General informations

The Linux kernel configuration item CONFIG_VDSO:

• prompt: Enable VDSO for acceleration of some system calls
• type: bool
• depends on: ( CONFIG_AEABI && CONFIG_MMU && CONFIG_CPU_V7 ) && ( CONFIG_ARM_ARCH_TIMER )
• defined in arch/arm/mm/Kconfig
• found in Linux kernels: 4.1–4.20, 5.0–5.19, 6.0–6.12

Help text

Place in the process address space an ELF shared object providing fast implementations of gettimeofday and clock_gettime. Systems that implement the ARM architected timer will receive maximum benefit.

You must have glibc 2.22 or later for programs to seamlessly take advantage of this.

Hardware

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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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