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-rw-r--r--Documentation/kbuild/kconfig.rst32
1 files changed, 27 insertions, 5 deletions
diff --git a/Documentation/kbuild/kconfig.rst b/Documentation/kbuild/kconfig.rst
index a9a855f894b3..c946eb44bd13 100644
--- a/Documentation/kbuild/kconfig.rst
+++ b/Documentation/kbuild/kconfig.rst
@@ -10,6 +10,8 @@ The xconfig ('qconf'), menuconfig ('mconf'), and nconfig ('nconf')
programs also have embedded help text. Be sure to check that for
navigation, search, and other general help text.
+The gconfig ('gconf') program has limited help text.
+
General
-------
@@ -41,11 +43,28 @@ KCONFIG_CONFIG
This environment variable can be used to specify a default kernel config
file name to override the default name of ".config".
+KCONFIG_DEFCONFIG_LIST
+----------------------
+
+This environment variable specifies a list of config files which can be used
+as a base configuration in case the .config does not exist yet. Entries in
+the list are separated with whitespaces to each other, and the first one
+that exists is used.
+
KCONFIG_OVERWRITECONFIG
-----------------------
If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
break symlinks when .config is a symlink to somewhere else.
+KCONFIG_WARN_UNKNOWN_SYMBOLS
+----------------------------
+This environment variable makes Kconfig warn about all unrecognized
+symbols in the config input.
+
+KCONFIG_WERROR
+--------------
+If set, Kconfig treats warnings as errors.
+
`CONFIG_`
---------
If you set `CONFIG_` in the environment, Kconfig will prefix all symbols
@@ -154,11 +173,6 @@ KCONFIG_AUTOCONFIG
This environment variable can be set to specify the path & name of the
"auto.conf" file. Its default value is "include/config/auto.conf".
-KCONFIG_TRISTATE
-----------------
-This environment variable can be set to specify the path & name of the
-"tristate.conf" file. Its default value is "include/config/tristate.conf".
-
KCONFIG_AUTOHEADER
------------------
This environment variable can be set to specify the path & name of the
@@ -207,6 +221,10 @@ Searching in menuconfig:
first (and in alphabetical order), then come all other symbols,
sorted in alphabetical order.
+ In this menu, pressing the key in the (#) prefix will jump
+ directly to that location. You will be returned to the current
+ search results after exiting this new menu.
+
----------------------------------------------------------------------
User interface options for 'menuconfig'
@@ -259,6 +277,10 @@ Searching in nconfig:
F8 (SymSearch) searches the configuration symbols for the
given string or regular expression (regex).
+ In the SymSearch, pressing the key in the (#) prefix will
+ jump directly to that location. You will be returned to the
+ current search results after exiting this new menu.
+
NCONFIG_MODE
------------
This mode shows all sub-menus in one large tree.