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+What: /sys/kernel/reboot
+Date: November 2020
+KernelVersion: 5.11
+Contact: Matteo Croce <mcroce@microsoft.com>
+Description: Interface to set the kernel reboot behavior, similarly to
+ what can be done via the reboot= cmdline option.
+ (see Documentation/admin-guide/kernel-parameters.txt)
+
+What: /sys/kernel/reboot/mode
+Date: November 2020
+KernelVersion: 5.11
+Contact: Matteo Croce <mcroce@microsoft.com>
+Description: Reboot mode. Valid values are: cold warm hard soft gpio
+
+What: /sys/kernel/reboot/type
+Date: November 2020
+KernelVersion: 5.11
+Contact: Matteo Croce <mcroce@microsoft.com>
+Description: Reboot type. Valid values are: bios acpi kbd triple efi pci
+
+What: /sys/kernel/reboot/cpu
+Date: November 2020
+KernelVersion: 5.11
+Contact: Matteo Croce <mcroce@microsoft.com>
+Description: CPU number to use to reboot.
+
+What: /sys/kernel/reboot/force
+Date: November 2020
+KernelVersion: 5.11
+Contact: Matteo Croce <mcroce@microsoft.com>
+Description: Don't wait for any other CPUs on reboot and
+ avoid anything that could hang.