Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 168 insertions, 203 deletions

diff --git a/Documentation/kbuild/kconfig-language.rst b/Documentation/kbuild/kconfig-language.rst
index 0135905c0a..79ac2e8184 100644
--- a/Documentation/kbuild/kconfig-language.rst
+++ b/Documentation/kbuild/kconfig-language.rst
@@ -393,7 +393,7 @@ of C0, which doesn't depend on M::
 
 choices::
 
-	"choice" [symbol]
+	"choice"
 	<choice options>
 	<choice block>
 	"endchoice"
@@ -412,10 +412,6 @@ the kernel, but all drivers can be compiled as modules.
 
 A choice accepts another option "optional", which allows to set the
 choice to 'n' and no entry needs to be selected.
-If no [symbol] is associated with a choice, then you can not have multiple
-definitions of that choice. If a [symbol] is associated to the choice,
-then you may define the same choice (i.e. with the same entries) in another
-place.
 
 comment::
 
diff --git a/Documentation/kbuild/kconfig.rst b/Documentation/kbuild/kconfig.rst
index c946eb44bd..fc4e845bc2 100644
--- a/Documentation/kbuild/kconfig.rst
+++ b/Documentation/kbuild/kconfig.rst
@@ -1,10 +1,10 @@
-===================
-Kconfig make config
-===================
+=================================
+Configuration targets and editors
+=================================
 
-This file contains some assistance for using `make *config`.
+This file contains some assistance for using ``make *config``.
 
-Use "make help" to list all of the possible configuration targets.
+Use ``make help`` to list all of the possible configuration targets.
 
 The xconfig ('qconf'), menuconfig ('mconf'), and nconfig ('nconf')
 programs also have embedded help text.  Be sure to check that for
@@ -12,8 +12,9 @@ navigation, search, and other general help text.
 
 The gconfig ('gconf') program has limited help text.
 
+
 General
--------
+=======
 
 New kernel releases often introduce new config symbols.  Often more
 important, new kernel releases may rename config symbols.  When
@@ -24,118 +25,102 @@ symbols have been introduced.
 
 To see a list of new config symbols, use::
 
-	cp user/some/old.config .config
-	make listnewconfig
+    cp user/some/old.config .config
+    make listnewconfig
 
 and the config program will list any new symbols, one per line.
 
 Alternatively, you can use the brute force method::
 
-	make oldconfig
-	scripts/diffconfig .config.old .config | less
-
-----------------------------------------------------------------------
-
-Environment variables for `*config`
+    make oldconfig
+    scripts/diffconfig .config.old .config | less
 
-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
-----------------------
+Environment variables
+=====================
 
-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.
+Environment variables for ``*config``:
 
-KCONFIG_OVERWRITECONFIG
------------------------
-If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
-break symlinks when .config is a symlink to somewhere else.
+``KCONFIG_CONFIG``
+    This environment variable can be used to specify a default kernel config
+    file name to override the default name of ".config".
 
-KCONFIG_WARN_UNKNOWN_SYMBOLS
-----------------------------
-This environment variable makes Kconfig warn about all unrecognized
-symbols in the config input.
+``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_WERROR
---------------
-If set, Kconfig treats warnings as errors.
+``KCONFIG_OVERWRITECONFIG``
+    If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
+    break symlinks when .config is a symlink to somewhere else.
 
-`CONFIG_`
----------
-If you set `CONFIG_` in the environment, Kconfig will prefix all symbols
-with its value when saving the configuration, instead of using the default,
-`CONFIG_`.
+``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.
 
-Environment variables for '{allyes/allmod/allno/rand}config'
+``CONFIG_``
+    If you set ``CONFIG_`` in the environment, Kconfig will prefix all symbols
+    with its value when saving the configuration, instead of using the
+    default, ``CONFIG_``.
 
-KCONFIG_ALLCONFIG
------------------
-(partially based on lkml email from/by Rob Landley, re: miniconfig)
+Environment variables for ``{allyes/allmod/allno/rand}config``:
 
---------------------------------------------------
+``KCONFIG_ALLCONFIG``
+    The allyesconfig/allmodconfig/allnoconfig/randconfig variants can also
+    use the environment variable KCONFIG_ALLCONFIG as a flag or a filename
+    that contains config symbols that the user requires to be set to a
+    specific value.  If KCONFIG_ALLCONFIG is used without a filename where
+    KCONFIG_ALLCONFIG == "" or KCONFIG_ALLCONFIG == "1", ``make *config``
+    checks for a file named "all{yes/mod/no/def/random}.config"
+    (corresponding to the ``*config`` command that was used) for symbol values
+    that are to be forced.  If this file is not found, it checks for a
+    file named "all.config" to contain forced values.
 
-The allyesconfig/allmodconfig/allnoconfig/randconfig variants can also
-use the environment variable KCONFIG_ALLCONFIG as a flag or a filename
-that contains config symbols that the user requires to be set to a
-specific value.  If KCONFIG_ALLCONFIG is used without a filename where
-KCONFIG_ALLCONFIG == "" or KCONFIG_ALLCONFIG == "1", `make *config`
-checks for a file named "all{yes/mod/no/def/random}.config"
-(corresponding to the `*config` command that was used) for symbol values
-that are to be forced.  If this file is not found, it checks for a
-file named "all.config" to contain forced values.
+    This enables you to create "miniature" config (miniconfig) or custom
+    config files containing just the config symbols that you are interested
+    in.  Then the kernel config system generates the full .config file,
+    including symbols of your miniconfig file.
 
-This enables you to create "miniature" config (miniconfig) or custom
-config files containing just the config symbols that you are interested
-in.  Then the kernel config system generates the full .config file,
-including symbols of your miniconfig file.
-
-This 'KCONFIG_ALLCONFIG' file is a config file which contains
-(usually a subset of all) preset config symbols.  These variable
-settings are still subject to normal dependency checks.
-
-Examples::
+    This ``KCONFIG_ALLCONFIG`` file is a config file which contains
+    (usually a subset of all) preset config symbols.  These variable
+    settings are still subject to normal dependency checks.
 
-	KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig
+    Examples::
 
-or::
+        KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig
 
-	KCONFIG_ALLCONFIG=mini.config make allnoconfig
+    or::
 
-or::
+        KCONFIG_ALLCONFIG=mini.config make allnoconfig
 
-	make KCONFIG_ALLCONFIG=mini.config allnoconfig
+    or::
 
-These examples will disable most options (allnoconfig) but enable or
-disable the options that are explicitly listed in the specified
-mini-config files.
+        make KCONFIG_ALLCONFIG=mini.config allnoconfig
 
-----------------------------------------------------------------------
+    These examples will disable most options (allnoconfig) but enable or
+    disable the options that are explicitly listed in the specified
+    mini-config files.
 
-Environment variables for 'randconfig'
+Environment variables for ``randconfig``:
 
-KCONFIG_SEED
-------------
-You can set this to the integer value used to seed the RNG, if you want
-to somehow debug the behaviour of the kconfig parser/frontends.
-If not set, the current time will be used.
+``KCONFIG_SEED``
+    You can set this to the integer value used to seed the RNG, if you want
+    to somehow debug the behaviour of the kconfig parser/frontends.
+    If not set, the current time will be used.
 
-KCONFIG_PROBABILITY
--------------------
-This variable can be used to skew the probabilities. This variable can
-be unset or empty, or set to three different formats:
+``KCONFIG_PROBABILITY``
+    This variable can be used to skew the probabilities. This variable can
+    be unset or empty, or set to three different formats:
 
     =======================     ==================  =====================
-	KCONFIG_PROBABILITY     y:n split           y:m:n split
+    KCONFIG_PROBABILITY         y:n split           y:m:n split
     =======================     ==================  =====================
-	unset or empty          50  : 50            33  : 33  : 34
-	N                        N  : 100-N         N/2 : N/2 : 100-N
+    unset or empty              50  : 50            33  : 33  : 34
+    N                            N  : 100-N         N/2 : N/2 : 100-N
     [1] N:M                     N+M : 100-(N+M)      N  :  M  : 100-(N+M)
     [2] N:M:L                    N  : 100-N          M  :  L  : 100-(M+L)
     =======================     ==================  =====================
@@ -149,112 +134,98 @@ that:
 
 Examples::
 
-	KCONFIG_PROBABILITY=10
-		10% of booleans will be set to 'y', 90% to 'n'
-		5% of tristates will be set to 'y', 5% to 'm', 90% to 'n'
-	KCONFIG_PROBABILITY=15:25
-		40% of booleans will be set to 'y', 60% to 'n'
-		15% of tristates will be set to 'y', 25% to 'm', 60% to 'n'
-	KCONFIG_PROBABILITY=10:15:15
-		10% of booleans will be set to 'y', 90% to 'n'
-		15% of tristates will be set to 'y', 15% to 'm', 70% to 'n'
+    KCONFIG_PROBABILITY=10
+        10% of booleans will be set to 'y', 90% to 'n'
+        5% of tristates will be set to 'y', 5% to 'm', 90% to 'n'
+    KCONFIG_PROBABILITY=15:25
+        40% of booleans will be set to 'y', 60% to 'n'
+        15% of tristates will be set to 'y', 25% to 'm', 60% to 'n'
+    KCONFIG_PROBABILITY=10:15:15
+        10% of booleans will be set to 'y', 90% to 'n'
+        15% of tristates will be set to 'y', 15% to 'm', 70% to 'n'
 
-----------------------------------------------------------------------
+Environment variables for ``syncconfig``:
 
-Environment variables for 'syncconfig'
+``KCONFIG_NOSILENTUPDATE``
+    If this variable has a non-blank value, it prevents silent kernel
+    config updates (requires explicit updates).
 
-KCONFIG_NOSILENTUPDATE
-----------------------
-If this variable has a non-blank value, it prevents silent kernel
-config updates (requires explicit updates).
+``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_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_AUTOHEADER``
+    This environment variable can be set to specify the path & name of the
+    "autoconf.h" (header) file.
+    Its default value is "include/generated/autoconf.h".
 
-KCONFIG_AUTOHEADER
-------------------
-This environment variable can be set to specify the path & name of the
-"autoconf.h" (header) file.
-Its default value is "include/generated/autoconf.h".
-
-
-----------------------------------------------------------------------
 
 menuconfig
-----------
-
-SEARCHING for CONFIG symbols
+==========
 
 Searching in menuconfig:
 
-	The Search function searches for kernel configuration symbol
-	names, so you have to know something close to what you are
-	looking for.
+    The Search function searches for kernel configuration symbol
+    names, so you have to know something close to what you are
+    looking for.
 
-	Example::
+    Example::
 
-		/hotplug
-		This lists all config symbols that contain "hotplug",
-		e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
+        /hotplug
+        This lists all config symbols that contain "hotplug",
+        e.g., HOTPLUG_CPU, MEMORY_HOTPLUG.
 
-	For search help, enter / followed by TAB-TAB (to highlight
-	<Help>) and Enter.  This will tell you that you can also use
-	regular expressions (regexes) in the search string, so if you
-	are not interested in MEMORY_HOTPLUG, you could try::
+    For search help, enter / followed by TAB-TAB (to highlight
+    <Help>) and Enter.  This will tell you that you can also use
+    regular expressions (regexes) in the search string, so if you
+    are not interested in MEMORY_HOTPLUG, you could try::
 
-		/^hotplug
+        /^hotplug
 
-	When searching, symbols are sorted thus:
+    When searching, symbols are sorted thus:
 
-	  - first, exact matches, sorted alphabetically (an exact match
-	    is when the search matches the complete symbol name);
-	  - then, other matches, sorted alphabetically.
+    - first, exact matches, sorted alphabetically (an exact match
+      is when the search matches the complete symbol name);
+    - then, other matches, sorted alphabetically.
 
-	For example: ^ATH.K matches:
+    For example, ^ATH.K matches:
 
-	    ATH5K ATH9K ATH5K_AHB ATH5K_DEBUG [...] ATH6KL ATH6KL_DEBUG
-	    [...] ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_COMMON [...]
+        ATH5K ATH9K ATH5K_AHB ATH5K_DEBUG [...] ATH6KL ATH6KL_DEBUG
+        [...] ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_COMMON [...]
 
-	of which only ATH5K and ATH9K match exactly and so are sorted
-	first (and in alphabetical order), then come all other symbols,
-	sorted in alphabetical order.
+    of which only ATH5K and ATH9K match exactly and so are sorted
+    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.
+    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':
 
-User interface options for 'menuconfig'
+``MENUCONFIG_COLOR``
+    It is possible to select different color themes using the variable
+    MENUCONFIG_COLOR.  To select a theme use::
 
-MENUCONFIG_COLOR
-----------------
-It is possible to select different color themes using the variable
-MENUCONFIG_COLOR.  To select a theme use::
+        make MENUCONFIG_COLOR=<theme> menuconfig
 
-	make MENUCONFIG_COLOR=<theme> menuconfig
+    Available themes are::
 
-Available themes are::
+      - mono       => selects colors suitable for monochrome displays
+      - blackbg    => selects a color scheme with black background
+      - classic    => theme with blue background. The classic look
+      - bluetitle  => a LCD friendly version of classic. (default)
 
-  - mono       => selects colors suitable for monochrome displays
-  - blackbg    => selects a color scheme with black background
-  - classic    => theme with blue background. The classic look
-  - bluetitle  => a LCD friendly version of classic. (default)
+``MENUCONFIG_MODE``
+    This mode shows all sub-menus in one large tree.
 
-MENUCONFIG_MODE
----------------
-This mode shows all sub-menus in one large tree.
+    Example::
 
-Example::
+        make MENUCONFIG_MODE=single_menu menuconfig
 
-	make MENUCONFIG_MODE=single_menu menuconfig
-
-----------------------------------------------------------------------
 
 nconfig
--------
+=======
 
 nconfig is an alternate text-based configurator.  It lists function
 keys across the bottom of the terminal (window) that execute commands.
@@ -266,61 +237,59 @@ Use F1 for Global help or F3 for the Short help menu.
 
 Searching in nconfig:
 
-	You can search either in the menu entry "prompt" strings
-	or in the configuration symbols.
+    You can search either in the menu entry "prompt" strings
+    or in the configuration symbols.
+
+    Use / to begin a search through the menu entries.  This does
+    not support regular expressions.  Use <Down> or <Up> for
+    Next hit and Previous hit, respectively.  Use <Esc> to
+    terminate the search mode.
 
-	Use / to begin a search through the menu entries.  This does
-	not support regular expressions.  Use <Down> or <Up> for
-	Next hit and Previous hit, respectively.  Use <Esc> to
-	terminate the search mode.
+    F8 (SymSearch) searches the configuration symbols for the
+    given string or regular expression (regex).
 
-	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.
 
-	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.
+Environment variables:
 
-NCONFIG_MODE
-------------
-This mode shows all sub-menus in one large tree.
+``NCONFIG_MODE``
+    This mode shows all sub-menus in one large tree.
 
-Example::
+    Example::
 
-	make NCONFIG_MODE=single_menu nconfig
+        make NCONFIG_MODE=single_menu nconfig
 
-----------------------------------------------------------------------
 
 xconfig
--------
+=======
 
 Searching in xconfig:
 
-	The Search function searches for kernel configuration symbol
-	names, so you have to know something close to what you are
-	looking for.
-
-	Example::
+    The Search function searches for kernel configuration symbol
+    names, so you have to know something close to what you are
+    looking for.
 
-		Ctrl-F hotplug
+    Example::
 
-	or::
+        Ctrl-F hotplug
 
-		Menu: File, Search, hotplug
+    or::
 
-	lists all config symbol entries that contain "hotplug" in
-	the symbol name.  In this Search dialog, you may change the
-	config setting for any of the entries that are not grayed out.
-	You can also enter a different search string without having
-	to return to the main menu.
+        Menu: File, Search, hotplug
 
+    lists all config symbol entries that contain "hotplug" in
+    the symbol name.  In this Search dialog, you may change the
+    config setting for any of the entries that are not grayed out.
+    You can also enter a different search string without having
+    to return to the main menu.
 
-----------------------------------------------------------------------
 
 gconfig
--------
+=======
 
 Searching in gconfig:
 
-	There is no search command in gconfig.  However, gconfig does
-	have several different viewing choices, modes, and options.
+    There is no search command in gconfig.  However, gconfig does
+    have several different viewing choices, modes, and options.
diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst
index b1d97fafdd..bb5c44f8bd 100644
--- a/Documentation/kbuild/llvm.rst
+++ b/Documentation/kbuild/llvm.rst
@@ -178,7 +178,7 @@ yet. Bug reports are always welcome at the issue tracker below!
      - ``LLVM=1``
    * - s390
      - Maintained
-     - ``CC=clang``
+     - ``LLVM=1`` (LLVM >= 18.1.0), ``CC=clang`` (LLVM < 18.1.0)
    * - um (User Mode)
      - Maintained
      - ``LLVM=1``