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| author | Aaron Durbin <adurbin@google.com> | 2008-01-30 13:31:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:17 +0100 |
| commit | fa20efd2fcd9349770113c6f72fc76ce437b62f5 (patch) | |
| tree | 15600837350257043966fe7b8d8cf0d1d8badd00 /Documentation | |
| parent | 5f561d3be8f0db54f9b4fc5cb5db05343f372431 (diff) | |
| download | linux-fa20efd2fcd9349770113c6f72fc76ce437b62f5.tar.gz linux-fa20efd2fcd9349770113c6f72fc76ce437b62f5.tar.bz2 linux-fa20efd2fcd9349770113c6f72fc76ce437b62f5.zip | |
x86: add ACPI reboot option
Add the ability to reboot an x86_64 based machine using the RESET_REG in the
FADT ACPI table.
Signed-off-by: Aaron Durbin <adurbin@google.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/x86_64/boot-options.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 945311840a10..d7a333258682 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -110,12 +110,15 @@ Idle loop Rebooting - reboot=b[ios] | t[riple] | k[bd] [, [w]arm | [c]old] + reboot=b[ios] | t[riple] | k[bd] | a[cpi] [, [w]arm | [c]old] bios Use the CPU reboot vector for warm reset warm Don't set the cold reboot flag cold Set the cold reboot flag triple Force a triple fault (init) kbd Use the keyboard controller. cold reset (default) + acpi Use the ACPI RESET_REG in the FADT. If ACPI is not configured or the + ACPI reset does not work, the reboot path attempts the reset using + the keyboard controller. Using warm reset will be much faster especially on big memory systems because the BIOS will not go through the memory check. |