diff options
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/x86_64/boot-options.rst | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/x86/x86_64/boot-options.rst b/Documentation/x86/x86_64/boot-options.rst index 5f62b3b86357..ccb7e86bf8d9 100644 --- a/Documentation/x86/x86_64/boot-options.rst +++ b/Documentation/x86/x86_64/boot-options.rst @@ -126,7 +126,7 @@ Idle loop Rebooting ========= - reboot=b[ios] | t[riple] | k[bd] | a[cpi] | e[fi] [, [w]arm | [c]old] + reboot=b[ios] | t[riple] | k[bd] | a[cpi] | e[fi] | p[ci] [, [w]arm | [c]old] bios Use the CPU reboot vector for warm reset warm @@ -145,6 +145,8 @@ Rebooting Use efi reset_system runtime service. If EFI is not configured or the EFI reset does not work, the reboot path attempts the reset using the keyboard controller. + pci + Use a write to the PCI config space register 0xcf9 to trigger reboot. Using warm reset will be much faster especially on big memory systems because the BIOS will not go through the memory check. @@ -155,6 +157,13 @@ Rebooting Don't stop other CPUs on reboot. This can make reboot more reliable in some cases. + reboot=default + There are some built-in platform specific "quirks" - you may see: + "reboot: <name> series board detected. Selecting <type> for reboots." + In the case where you think the quirk is in error (e.g. you have + newer BIOS, or newer board) using this option will ignore the built-in + quirk table, and use the generic default reboot actions. + Non Executable Mappings ======================= |