diff options
Diffstat (limited to 'drivers/firmware/Kconfig')
| -rw-r--r-- | drivers/firmware/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index dc2cec6127d1..ebb9e51deb0c 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -26,6 +26,16 @@ config EDD_OFF kernel. Say N if you want EDD enabled by default. EDD can be dynamically set using the kernel parameter 'edd={on|skipmbr|off}'. +config FIRMWARE_MEMMAP + bool "Add firmware-provided memory map to sysfs" if EMBEDDED + default (X86_64 || X86_32) + help + Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap. + That memory map is used for example by kexec to set up parameter area + for the next kernel, but can also be used for debugging purposes. + + See also Documentation/ABI/testing/sysfs-firmware-memmap. + config EFI_VARS tristate "EFI Variable Support via sysfs" depends on EFI |