diff options
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 00fba6d1c66e..a77bf353c802 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1614,10 +1614,17 @@ Kernel parameters on all PCI bridges while in the EFI boot stub efi_no_storage_paranoia [EFI,X86,EARLY] - Using this parameter you can use more than 50% of - your efi variable storage. Use this parameter only if - you are really sure that your UEFI does sane gc and - fulfills the spec otherwise your board may brick. + The kernel reserves 5KB of EFI variable storage for + safety, because some UEFI implementation may fail to + boot if there's insufficient space in the EFI variable + storage. + + Using this parameter, you can use the 5KB reservation + in the EFI variable storage. + + However, Use this parameter only if you are really + sure that your UEFI does sane gc and fulfills the spec + otherwise your board may brick. efivar_ssdt= [EFI; X86] Name of an EFI variable that contains an SSDT that is to be dynamically loaded by Linux. If there are |