CONFIG_DOUBLEFAULT: Enable doublefault exception handler

General informations

The Linux kernel configuration item CONFIG_DOUBLEFAULT has multiple definitions:

Enable doublefault exception handler found in arch/x86/Kconfig.debug

The configuration item CONFIG_DOUBLEFAULT:

• prompt: Enable doublefault exception handler
• type: bool
• depends on: CONFIG_EXPERT && CONFIG_X86_32
• defined in arch/x86/Kconfig.debug
• found in Linux kernels: 2.6.24–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.7

Help text

This option allows trapping of rare doublefault exceptions that would otherwise cause a system to silently reboot. Disabling this option saves about 4k and might cause you much additional grey hair.

Enable doublefault exception handler found in arch/i386/Kconfig.debug

The configuration item CONFIG_DOUBLEFAULT:

• prompt: Enable doublefault exception handler
• type: bool
• depends on: CONFIG_EMBEDDED
• defined in arch/i386/Kconfig.debug
• found in Linux kernels: 2.6.17–2.6.23

Help text

This option allows trapping of rare doublefault exceptions that would otherwise cause a system to silently reboot. Disabling this option saves about 4k and might cause you much additional grey hair.

Enable doublefault exception handler found in arch/i386/Kconfig

The configuration item CONFIG_DOUBLEFAULT:

• prompt: Enable doublefault exception handler
• type: bool
• depends on: CONFIG_EMBEDDED
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.6.16

Help text

This option allows trapping of rare doublefault exceptions that would otherwise cause a system to silently reboot. Disabling this option saves about 4k and might cause you much additional grey hair.

Hardware

LKDDb

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Sources

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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