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Pull misc kbuild updates from Michal Marek:
"This is the non-critical part of kbuild for 3.17-rc1:
- make help hint to use make -s with make kernelrelease et al.
- moved a kbuild document to Documentation/kbuild where it belongs
- four new Coccinelle scripts, one dropped and one fixed
- new make kselftest target to run various tests on the kernel"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: kselftest - new make target to build and run kernel selftests
Coccinelle: Script to replace if and BUG with BUG_ON
Coccinelle: Script to detect incorrect argument to sizeof
Coccinelle: Script to use ARRAY_SIZE instead of division of two sizeofs
Coccinelle: Script to detect cast after memory allocation
coccinelle/null: solve parse error
Documentation: headers_install.txt is part of kbuild
kbuild: make -s should be used with kernelrelease/kernelversion/image_name
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Pull kbuild updates from Michal Marek:
- make clean also considers $(extra-m) and $(extra-) to be consistent
- cleanup and fixes in scripts/Makefile.host
- allow to override the name of the Python 2 executable with make
PYTHON=... (only needed for ia64 in practice)
- option to split debugingo into *.dwo files to save disk space if the
compiler supports it (CONFIG_DEBUG_INFO_SPLIT)
- option to use dwarf4 debuginfo if the compiler supports it
(CONFIG_DEBUG_INFO_DWARF4)
- fix for disabling certain warnings with clang
- fix for unneeded rebuild with dash when a command contains
backslashes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Fix handling of backslashes in *.cmd files
kbuild, LLVMLinux: Supress warnings unless W=1-3
Kbuild: Add a option to enable dwarf4 v2
kbuild: Support split debug info v4
kbuild: allow to override Python command name
kbuild: clean-up and bug fix of scripts/Makefile.host
kbuild: clean up scripts/Makefile.host
kbuild: drop shared library support from Makefile.host
kbuild: fix a bug of C++ host program handling
kbuild: fix a typo in scripts/Makefile.host
scripts/Makefile.clean: clean also $(extra-m) and $(extra-)
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'headers_install.txt' from Documentation/make/ is related to Kbuild
so it must be moved in Documentation/kbuild/ directory.
As Documentation/make/ directory has only one file, it will be removed
as a consequence of moving 'headers_install.txt'.
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Yann Droneaud <ydroneaud@opteya.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The shared library feature in Makefile.host is no longer used.
Rip it off to keep the build infrastucture simple.
Update Documentation/kbuild/makefiles.txt too.
The section "4.3 Definition shared libraries" should be removed
and the following sections should be re-numbered.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Warren Turkal <wt@penguintechs.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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"make allnoconfig" exists to ease testing of minimal configurations.
Documentation/SubmitChecklist includes a note to test with allnoconfig.
This helps catch missing dependencies on common-but-not-required
functionality, which might otherwise go unnoticed.
However, allnoconfig still leaves many symbols enabled, because they're
hidden behind CONFIG_EMBEDDED or CONFIG_EXPERT. For instance, allnoconfig
still has CONFIG_PRINTK and CONFIG_BLOCK enabled, so drivers don't
typically get build-tested with those disabled.
To address this, introduce a new Kconfig option "allnoconfig_y", used on
symbols which only exist to hide other symbols. Set it on CONFIG_EMBEDDED
(which then selects CONFIG_EXPERT). allnoconfig will then disable all the
symbols hidden behind those.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Tested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Regid Ichira <regid23@nt1.in>
Acked-by: Rob Landley <rob@landley.net>
[yann.morin.1998@free.fr: fix trailing whitespace, commit subject]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Previously, it was possible to have more than one symbol with the
'option modules' attached to them, although only the last one would
in fact control tristates.
Since this does not make much sense, only allow at most one symbol to
control tristates.
Note: it is still possible to have more than one symbol that control
tristates, but indirectly:
config MOD1
bool "mod1"
select MODULES
config MOD2
bool "mod2"
select MODULES
config MODULES
bool
option modules
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Re-phrase the explanations on the sorting of search results, in a more
concise and complete way.
Drop reference to the user's locale when sorting alphabetically, since
this is implicit.
Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
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Pull kconfig updates from Michal Marek:
- dependency solver fix for make defconfig
- randconfig fixes, one of which had to be reverted again
- more user-friendly sorting of search results
- hex and range keywords support longs
- fix for [mn]conf not to rely on particular behavior of the LINES and
COLS variables
- cleanup of magic constants in kconfig/lxdialog
- [mn]conf formatting fixes
- fix for scripts/config's help text in out-of-tree usage (under a
different name)
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kconfig: allow "hex" and "range" to support longs
Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG"
kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG
kconfig: loop as long as we changed some symbols in randconfig
kconfig/[mn]conf: make it explicit in the search box that a regexp is possible
kconfig: sort found symbols by relevance
kconfig/conf: print the seed used to initialise the RNG for randconfig
kconfig/conf: accept a base-16 seed for randconfig
kconfig/conf: fix randconfig setting multiple symbols in a choice
scripts/config: replace hard-coded script name by a dynamic value
mconf/nconf: mark empty menus/menuconfigs different from non-empty ones
nconf: use function calls instead of ncurses' variables LINES and COLS
mconf: use function calls instead of ncurses' variables LINES and COLS
kconfig/lxdialog: handle newline characters in print_autowrap()
kconfig/lxdialog: Use new mininimum resize definitions in conf_choice()
kconfig/lxdialog: Add definitions for mininimum (re)size values
kconfig: Fix defconfig when one choice menu selects options that another choice menu depends on
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When searching for symbols, return the symbols sorted by relevance.
Sorting is done as thus:
- first, symbols that match exactly
- then, alphabetical sort
Since the search can be a regexp, it is possible that more than one symbol
matches exactly. In this case, we can't decide which to sort first, so we
fallback to alphabeticall sort.
Explain this (new!) sorting heuristic in the documentation.
Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Roland Eggner <edvx1@systemanalysen.net>
Cc: Wang YanQing <udknight@gmail.com>
--
Changes v1->v2:
- drop the previous, complex heuristic in favour of a simpler heuristic
that is both easier to understand, *and* to maintain (Jean)
- explain sorting heuristic in the doc (Jean)
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Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
it has been basically impossible to build a kernel with CONFIG_HOTPLUG
turned off. Remove all the remaining references to it.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull misc kbuild updates from Michal Marek:
"Non-critical kbuild changes:
- make coccicheck improvements, but no new semantic patches this time
- make rpm improvements
- make tar-pkg change to include the architecture in the filename.
This is a deliberate incompatibility, but nobody has complained so
far and it is useful if you build for different architectures. It
also matches what the deb-pkg and rpm-pkg targets produce.
- kbuild documentation fix"
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
rpm-pkg: Remove pointless set -e statements
rpm-pkg: Always regenerate the specfile
rpm-pkg: Do not write to the parent directory
rpm-pkg: Do not package the whole source directory
buildtar: Add ARCH to the archive name
Coccinelle: Fix patch output when coccicheck is used with M= and C=
Coccinelle: Add support to the SPFLAGS variable
Coccinelle: Cleanup the setting of the FLAGS and OPTIONS variables
Coccinelle: Restore coccicheck verbosity in ONLINE mode (C=1 or C=2)
scripts/package/Makefile: compare objtree with srctree instead of test KBUILD_OUTPUT
doc: change example to existing Makefile fragment
scripts/tags.sh: Add magic for OFFSET and DEFINE
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Pull kconfig updates from Michal Marek:
- use pkg-config to detect curses libraries
- clean up the way curses headers are searched
- Some randconfig fixes, of which one had to be reverted
- KCONFIG_SEED for randconfig debugging
- memuconfig memory leak plugged
- menuconfig > breadcrumbs > navigation
- xconfig compilation fix
- Other minor fixes
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kconfig: fix lists definition for C++
Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG"
kconfig: implement KCONFIG_PROBABILITY for randconfig
kconfig: allow specifying the seed for randconfig
kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG
kconfig: do not override symbols already set
kconfig: fix randconfig tristate detection
kconfig/lxdialog: rationalise the include paths where to find {.n}curses{,w}.h
menuconfig: Add "breadcrumbs" navigation aid
menuconfig: Fix memory leak introduced by jump keys feature
merge_config.sh: Avoid creating unnessary source softlinks
kconfig: optionally use pkg-config to detect ncurses libs
menuconfig: optionally use pkg-config to detect ncurses libs
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Currently the odds to set each symbol is (rounded):
booleans: y: 50% n: 50%
tristates: y: 33% m: 33% n: 33%
Introduce a KCONFIG_PROBABILITY environment variable to tweak the
probabilities (in percentage), as such:
KCONFIG_PROBABILITY y:n split y:m:n split
-----------------------------------------------------------------
[1] unset or empty 50 : 50 33 : 33 : 34
[2] N N : 100-N N/2 : N/2 : 100-N
N:M N+M : 100-(N+M) N : M : 100-(N+M)
N:M:L N : 100-N M : L : 100-(M+L)
[1] The current behaviour is kept as default, for backward compatibility
[2] The solution initially implemented by Peter for Buildroot, see:
http://git.buildroot.org/buildroot/commit/?id=3435c1afb5
Signed-off-by: Peter Korsgaard <jacmet@uclibc.org>
[yann.morin.1998@free.fr: add to Documentation/]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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For reproducibility, it can be useful to be able to specify the
seed to use to seed the RNG.
Add a new KCONFIG_SEED environment variable which can be set to
the seed to use:
$ make KCONFIG_SEED=42 randconfig
$ sha1sum .config
70a128c8dcc61303069e1be352cce64114dfcbca .config
$ make KCONFIG_SEED=42 randconfig
$ sha1sum .config
70a128c8dcc61303069e1be352cce64114dfcbca .config
It's very usefull for eg. debugging the kconfig parser.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kbuild's ld-option function is broken because
the command
$(CC) /dev/null -c -o "$$TMPO"
does not create object file!
I have used a relatively old mips gcc 3.4.6 cross-compiler
and a relatively new gcc 4.7.2 to check this fact
but the results are the same.
EXAMPLE:
$ rm /tmp/1.o
$ mips-linux-gcc /dev/null -c -o /tmp/1.o
mips-linux-gcc: /dev/null: linker input file unused because linking not done
$ ls -la /tmp/1.o
ls: cannot access /tmp/1.o: No such file or directory
We can easily fix the problem by adding
the '-x c' compiler option.
EXAMPLE:
$ rm /tmp/1.o
$ mips-linux-gcc -x c /dev/null -c -o /tmp/1.o
$ ls -la /tmp/1.o
-rw-r--r-- 1 antony antony 778 Apr 2 20:40 /tmp/1.o
Also fix wrong ld-option example.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Pull kconfig changes from Michal Marek:
"I forgot to send a pull request in time for the v3.8-rc1 merge window,
so the list is a bit longer this time:
- menuconfig enables extended colors in ncurses if the wide-character
version is used.
- CONFIG_ prefix can be specified in the environment to make life
easier for people using kconfig multiple times in a single tree (no
functional change in the kernel kconfig usage).
- kconfig aborts on OOM.
- inputboxes in menuconfig allow to move the cursor.
- menuconfig has Save/Load buttons now.
- xconfig build fix with new g++ and Qt3.
- nconfig color scheme fix and help text update.
- make oldconfig prints newlines when output is redirected.
- some other minor fixes."
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Fix missing '\n' for NEW symbols in yes "" | make oldconfig >conf.new
kconfig: nconf: rewrite labels of function keys line
kconfig: nconf: rewrite help texts
kconfig: fix a compiliation error when using make xconfig
nconf: function keys line, change background color for better readability
menuconfig: Get rid of the top-level entries for "Load an Alternate/Save an Alternate"
menuconfig: Add Save/Load buttons
kconfig:lxdialog: remove duplicate code
menuconfig:inputbox: support navigate input position
kconfig: document use of CONFIG_ environment variable
scripts/kconfig: ensure we use proper CONFIG_ prefix
merge_config.sh: Add option to specify output dir
Revert "kconfig-language: add to hints"
kconfig: Regenerate lexer
kconfig: Fix malloc handling in conf tools
kconfig: get CONFIG_ prefix from the environment
kconfig: add a function to get the CONFIG_ prefix
kconfig: remove CONFIG_ from string constants
menuconfig: fix extended colors ncurses support
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There is one kconfig fix in the rc-fixes branch that I forgot to submit
for 3.8, so let's add it to the kconfig branch for 3.9-rc1.
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Create cmd_dtc_cpp to run the C pre-processor on *.dts file before
passing them to dtc for final compilation. This allows the use of #define
and #include within the .dts file.
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Michal Marek <mmarek@suse.cz>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Pull trivial branch from Jiri Kosina:
"Usual stuff -- comment/printk typo fixes, documentation updates, dead
code elimination."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
HOWTO: fix double words typo
x86 mtrr: fix comment typo in mtrr_bp_init
propagate name change to comments in kernel source
doc: Update the name of profiling based on sysfs
treewide: Fix typos in various drivers
treewide: Fix typos in various Kconfig
wireless: mwifiex: Fix typo in wireless/mwifiex driver
messages: i2o: Fix typo in messages/i2o
scripts/kernel-doc: check that non-void fcts describe their return value
Kernel-doc: Convention: Use a "Return" section to describe return values
radeon: Fix typo and copy/paste error in comments
doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
various: Fix spelling of "asynchronous" in comments.
Fix misspellings of "whether" in comments.
eisa: Fix spelling of "asynchronous".
various: Fix spelling of "registered" in comments.
doc: fix quite a few typos within Documentation
target: iscsi: fix comment typos in target/iscsi drivers
treewide: fix typo of "suport" in various comments and Kconfig
treewide: fix typo of "suppport" in various comments
...
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This reverts commit 64b81ed7fb1e45c914317b20316f32827bc6444b.
As Martin says about this paragraph:
However, I can not reproduce this. The attached file contains both
cases. [...] AFAICS, both versions behave equivalently. I suggest
changing the documentation accordingly.
[in http://marc.info/?l=linux-kbuild&m=134987006202410&w=2]
Reported-by: Martin Walch <walch.martin@gmx.de>
Cc: Martin Walch <walch.martin@gmx.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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All architectures that use cmd_dtc do so in almost the same way. Create
a central build rule to avoid duplication. The one difference is that
most current uses of dtc build $(obj)/%.dtb from $(src)/dts/%.dts rather
than building the .dtb in the same directory as the .dts file. This
difference will be eliminated arch-by-arch in future patches.
MIPS is the exception here; it already uses the exact same rule as the
new common rule, so the duplicate is removed in this patch to avoid any
conflict. arch/mips changes courtesy of Ralf Baechle.
Update Documentation/kbuild to remove the explicit call to cmd_dtc from
the example, now that the rule exists in a centralized location.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Olof Johansson <olof@lixom.net>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux@lists.openrisc.net
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: linux-c6x-dev@linux-c6x.org
Cc: Mark Salter <msalter@redhat.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: microblaze-uclinux@itee.uq.edu.au
Cc: Chris Zankel <chris@zankel.net>
Cc: linux-xtensa@linux-xtensa.org
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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Correct spelling typo in Documentations
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Remove the objhdr-y export list as it is no longer used. genhdr-y should be
used instead.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
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Pull kconfig changes from Michal Marek:
- Error handling for make KCONFIG_ALLCONFIG=<...> all*config plus a fix
for a bug that was exposed by this
- Fix for the script/config utility.
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/config: properly report and set string options
kbuild: all{no,yes,mod,def,rand}config only read files when instructed to.
kconfig: Add error handling to KCONFIG_ALLCONFIG
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Newly exported variables - used by link-vmlinux.sh
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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- Only try to read the file specified if KCONFIG_ALL_CONFIG is set to
something other than the empty string or "1".
- Don't use stat to check the name passed to conf_read_simple so that
zconf_fopen can find the file in the current directory or in SRCTREE
removing a extremely source of confusing failure, where KCONFIG_ALL_CONFIG
was not interpreted with respect to the directory make was called in.
- If conf_read_simple fails complain clearly and stop processing.
Allowing the simple debugging of typos.
- Clearly document the behavior so it is clear to users which
values are treated as flags and which values are treated as
filenames.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kconfig documentation suggests using plain 'diff' to compare config
files and then adds "Yes, we need something better here". Commit
a717417e7f96 ("kconfig: add diffconfig utility") added what that comment
was looking for.
Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add support for an "archheaders" target. This target can generate
files that need to be installed for user space by "make
headers_install" or "make headers_install_all".
In order to support "make headers_install_all", it must be able to run
without the tree having to be configured first.
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Change all "arch/i386" to "arch/x86" in Documentaion/,
since the directory has changed.
Also update the files which have changed their filename
in the meantime accordingly.
Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
[jkosina@suse.cz: reword changelog]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* 'kconfig-for-40' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
xconfig: merge code path to conf_write()
kconfig: do not record timestamp in .config
gconfig: Hide unused left treeview when start up the interface
gconfig: enable rules hint for main treeviews
MAINTAINERS: Update KCONFIG entry
kconfig-language: add to hints
kconfig: Document the new "visible if" syntax
kconfig: quiet commands when V=0
kconfig: change update-po-config to reflect new layout of arch/um
kconfig: make update-po-config work in KBUILD_OUTPUT
kconfig: rearrange clean-files
kconfig: change gconf to modify hostprogs-y like nconf and mconf
kconfig: change qconf to modify hostprogs-y like nconf and mconf
kconfig: only build kxgettext when needed
nconfig: Silence unused return values from wattrset
kconfig: Do not record timestamp in auto.conf and autoconf.h
kconfig: get rid of unused flags
kconfig: allow multiple inclusion of the same file
kconfig: Avoid buffer underrun in choice input
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* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: make KBUILD_NOCMDDEP=1 handle empty built-in.o
scripts/kallsyms.c: fix potential segfault
scripts/gen_initramfs_list.sh: Convert to a /bin/sh script
kbuild: Fix GNU make v3.80 compatibility
kbuild: Fix passing -Wno-* options to gcc 4.4+
kbuild: move scripts/basic/docproc.c to scripts/docproc.c
kbuild: Fix Makefile.asm-generic for um
kbuild: Allow to combine multiple W= levels
kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0
Fix handling of backlash character in LINUX_COMPILE_BY name
kbuild: asm-generic support
kbuild: implement several W= levels
kbuild: Fix build with binutils <= 2.19
initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries
kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros
kbuild: Drop unused LINUX_COMPILE_TIME and LINUX_COMPILE_DOMAIN macros
kbuild: Use the deterministic mode of ar
kbuild: Call gzip with -n
kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to Makefile
Kconfig: improve KALLSYMS_ALL documentation
Fix up trivial conflict in Makefile
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Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Starting with 4.4, gcc will happily accept -Wno-<anything> in the
cc-option test and complain later when compiling a file that has some
other warning. This rather unexpected behavior is intentional as per
http://gcc.gnu.org/PR28322, so work around it by testing for support of
the opposite option (without the no-). Introduce a new Makefile function
cc-disable-warning that does this and update two uses of cc-option in
the toplevel Makefile.
Reported-and-tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Explain a little about kconfig symbol dependencies and symbol
existence given optional kconfig language scenarios.
Yes, I was bitten by this.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Michal Marek <mmarek@suse.cz>
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There is an increasing amount of header files
shared between individual architectures in asm-generic.
To avoid a lot of dummy wrapper files that just
include the corresponding file in asm-generic provide
some basic support in kbuild for this.
With the following patch an architecture can maintain
a list of files in the file arch/$(ARCH)/include/asm/Kbuild
To use a generic file just add:
generic-y += <name-of-header-file.h>
For each file listed kbuild will generate the necessary
wrapper in arch/$(ARCH)/include/generated/asm.
When installing userspace headers a wrapper is likewise created.
The original inspiration for this came from the unicore32
patchset - although a different method is used.
The patch includes several improvements from Arnd Bergmann.
Michael Marek contributed Makefile.asm-generic.
Remis Baima did an intial implementation along to achive
the same - see https://patchwork.kernel.org/patch/13352/
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn>
Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Remis Lima Baima <remis.developer@googlemail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The D option of ar is only available in newer versions.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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gen_init_cpio gets the current time and uses it for each symlink,
special file, and directory. Grab the current time once and make it
possible to override it with the KBUILD_BUILD_TIMESTAMP variable for
reproducible builds.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Make it possible to override the user@host string displayed during boot
and in /proc/version by the environment variables KBUILD_BUILD_USER and
KBUILD_BUILD_HOST. Several distributions patch scripts/mkcompile_h to
achieve this, so let's provide an official way. Also, document the
KBUILD_BUILD_TIMESTAMP variable while at it.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: Make DEBUG_SECTION_MISMATCH selectable, but not on by default
genksyms: Regenerate lexer and parser
genksyms: Track changes to enum constants
genksyms: simplify usage of find_symbol()
genksyms: Add helpers for building string lists
genksyms: Simplify printing of symbol types
genksyms: Simplify lexer
genksyms: Do not paste the bison header file to lex.c
modpost: fix trailing comma
KBuild: silence "'scripts/unifdef' is up to date."
kbuild: Add extra gcc checks
kbuild: reenable section mismatch analysis
unifdef: update to upstream version 2.5
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Add a 'W=1' Makefile switch which adds additional checking per build
object.
The idea behind this option is targeted at developers who, in the
process of writing their code, want to do the occasional
make W=1 [target.o]
and let gcc do more extensive code checking for them. Then, they
could eyeball the output for valid gcc warnings about various
bugs/discrepancies which are not reported during the normal build
process.
For more background information and a use case, read through this
thread: http://marc.info/?l=kernel-janitors&m=129802065918147&w=2
Cc: Michal Marek <mmarek@suse.cz>
Cc: linux-kbuild@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Gilles Espinasse <g.esp@free.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Linus Torvalds
Yann Droneaud
Masahiro Yamada
Warren Turkal
Josh Triplett
Regid Ichira
Yann E. MORIN
Michal Marek
Stephen Rothwell
Paul Bolle
Antony Pavlov
Stephen Warren
Masanari Iida
David Howells
Sam Ravnborg
Eric W. Biederman
Javi Merino
H. Peter Anvin
Wanlong Gao
Arnaud Lacombe
Randy Dunlap
Lucas De Marchi
Borislav Petkov
Gilles Espinasse