X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fx86_64%2Fboot-options.txt;h=b0c7b6c4abda9362e38955dfee572a064dd6b992;hb=e43fe686e48835ca027559a068bbe0b6d264a254;hp=945311840a10d29be3f8c680f1124a01e8cd4bed;hpb=e6f194d8f6f50da6837af637b2fd839c34185f7a;p=linux-2.6 diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 945311840a..b0c7b6c4ab 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -110,12 +110,18 @@ Idle loop Rebooting - reboot=b[ios] | t[riple] | k[bd] [, [w]arm | [c]old] + reboot=b[ios] | t[riple] | k[bd] | a[cpi] | e[fi] [, [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. + efi 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. Using warm reset will be much faster especially on big memory systems because the BIOS will not go through the memory check. @@ -301,3 +307,8 @@ Debugging stuck (default) Miscellaneous + + nogbpages + Do not use GB pages for kernel direct mappings. + gbpages + Use GB pages for kernel direct mappings.