| What: /sys/kernel/reboot | |
| Date: November 2020 | |
| KernelVersion: 5.11 | |
| Contact: Matteo Croce <teknoraver@meta.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 <teknoraver@meta.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 <teknoraver@meta.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 <teknoraver@meta.com> | |
| Description: CPU number to use to reboot. | |
| What: /sys/kernel/reboot/force | |
| Date: November 2020 | |
| KernelVersion: 5.11 | |
| Contact: Matteo Croce <teknoraver@meta.com> | |
| Description: Don't wait for any other CPUs on reboot and | |
| avoid anything that could hang. | |
| What: /sys/kernel/reboot/hw_protection | |
| Date: April 2025 | |
| KernelVersion: 6.15 | |
| Contact: Ahmad Fatoum <a.fatoum@pengutronix.de> | |
| Description: Hardware protection action taken on critical events like | |
| overtemperature or imminent voltage loss. | |
| Valid values are: reboot shutdown |