X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Ffirmware%2FKconfig;h=ebb9e51deb0cd86acb38ea5b0180d7c1b16a862a;hb=948769a5ba304ed3329a2f42ee3561f04a0b5692;hp=dc2cec6127d1816982558de72a2ee9e4c1b884a5;hpb=7cece14acd063dd1c4e8933461d44ec6a5a5517b;p=linux-2.6

diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index dc2cec6127..ebb9e51deb 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