CONFIG_FAST_SYSCALL_SPILL_REGISTERS: Enable spill registers syscall

General informations

The Linux kernel configuration item CONFIG_FAST_SYSCALL_SPILL_REGISTERS:

• prompt: Enable spill registers syscall
• type: bool
• depends on: (none)
• defined in arch/xtensa/Kconfig
• found in Linux kernels: 3.17–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.6, 6.7-rc+HEAD

Help text

fast_syscall_spill_registers is a syscall that spills all active register windows of a calling userspace task onto its stack.

This syscall is deprecated. It may have issues when called with invalid arguments. It is provided only for backwards compatibility. Only enable it if your userspace software requires it.

If unsure, say N.

Hardware

LKDDb

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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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