1menu "EFI (Extensible Firmware Interface) Support" 2 depends on EFI 3 4config EFI_VARS 5 tristate "EFI Variable Support via sysfs" 6 depends on EFI 7 default n 8 help 9 If you say Y here, you are able to get EFI (Extensible Firmware 10 Interface) variable information via sysfs. You may read, 11 write, create, and destroy EFI variables through this interface. 12 13 Note that using this driver in concert with efibootmgr requires 14 at least test release version 0.5.0-test3 or later, which is 15 available from Matt Domsch's website located at: 16 <http://linux.dell.com/efibootmgr/testing/efibootmgr-0.5.0-test3.tar.gz> 17 18 Subsequent efibootmgr releases may be found at: 19 <http://linux.dell.com/efibootmgr> 20 21config EFI_VARS_PSTORE 22 tristate "Register efivars backend for pstore" 23 depends on EFI_VARS && PSTORE 24 default y 25 help 26 Say Y here to enable use efivars as a backend to pstore. This 27 will allow writing console messages, crash dumps, or anything 28 else supported by pstore to EFI variables. 29 30config EFI_VARS_PSTORE_DEFAULT_DISABLE 31 bool "Disable using efivars as a pstore backend by default" 32 depends on EFI_VARS_PSTORE 33 default n 34 help 35 Saying Y here will disable the use of efivars as a storage 36 backend for pstore by default. This setting can be overridden 37 using the efivars module's pstore_disable parameter. 38 39endmenu 40