diff options
Diffstat (limited to 'common/Kconfig')
| -rw-r--r-- | common/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/common/Kconfig b/common/Kconfig index cafaadb3d4..7c56eb469e 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -982,6 +982,24 @@ config RESET_SOURCE of the reset and why the bootloader is currently running. It can be useful for any kind of system recovery or repair. +config MACHINE_ID + bool "pass machine-id to kernel" + depends on FLEXIBLE_BOOTARGS + depends on SHA1 + help + Sets the linux.bootargs.machine_id global variable with a value of + systemd.machine_id=UID. The UID is a persistent device-specific + id. It is a hash over device-specific information provided by various + sources. + + Note: if multiple sources provide hashable device-specific information + (via machine_id_set_hashable()) the information provided by the last call + prior to the late initcall set_machine_id() is used to generate the + machine id from. Thus when updating barebox the machine id might change. + + Note: if no hashable information is available no machine id will be passed + to the kernel. + endmenu menu "Debugging" |