CONFIG_CRASH_HOTPLUG: Update the crash elfcorehdr on system configuration changes

General informations

The Linux kernel configuration item CONFIG_CRASH_HOTPLUG:

• prompt: Update the crash elfcorehdr on system configuration changes
• type: bool
• depends on: ( CONFIG_CRASH_DUMP && ( CONFIG_HOTPLUG_CPU || CONFIG_MEMORY_HOTPLUG )) && ( CONFIG_ARCH_SUPPORTS_CRASH_HOTPLUG )
• defined in kernel/Kconfig.kexec
• found in Linux kernels: 6.6–6.8, 6.9-rc+HEAD

Help text

Enable direct update to the crash elfcorehdr (which contains the list of CPUs and memory regions to be dumped upon a crash) in response to hot plug/unplug or online/offline of CPUs or memory. This is a much more advanced approach than userspace attempting that.

If unsure, say Y.

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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