| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kconfig: Fix warning: ignoring return value of 'fgets'
kconfig: Fix warning: ignoring return value of 'fwrite'
nconfig: Fix segfault when menu is empty
kconfig: fix tristate choice with minimal config
kconfig: fix savedefconfig for tristate choices
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Linus wrote:
This seems to make "make oldconfig" a _lot_ more verbose than it
used to be. In a very annoying way.
I just did a quick git bisect. It's introduced by commit 4062f1a4c030
("kconfig: use long options in conf") by Sam Ravnborg. Apparently that
thing is totally buggy, and doesn't just change the option names, but
actively breaks them.
The old behaviour (from years ago) were reintroduced by accident. Fix
this so we are back to the version that are silent if there is nothing
to ask about.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
scripts/dtc: Fix a resource leak
Documentation: fix ubuntu distro name
MAINTAINERS: Update kbuild git URLs
Add support for the C variable in the coccicheck script
Add scripts/coccinelle/deref_null.cocci
Add scripts/coccinelle/err_cast.cocci
Add scripts/coccinelle/resource_size.cocci
Add scripts/coccinelle/alloc/kzalloc-simple.cocci
Add scripts/coccinelle/alloc/drop_kmalloc_cast.cocci
Add Documentation/coccinelle.txt
Add a target to use the Coccinelle checker
scripts: decodecode: remove bashisms
Makefile: clarify a comment
checkkconfigsymbols.sh: Kconfig symbols sometimes have lowercase letters
scripts: add nconf into gitignore file
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scripts/kconfig/nconf is generated by 'make nconfig',
add it into .gitignore.
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Following sample Kconfig generated a segfault:
config FOO
bool
select PERF_EVENTS if HAVE_HW_BREAKPOINT
config PERF_EVENTS
bool
config HAVE_HW_BREAKPOINT
bool
depends on PERF_EVENTS
Fix by reverting back to a valid property if there was no
property on the stack of symbols.
The above pattern were seen in sh Kconfig.
A fix for the Kconfig file has been sent to the sh folks.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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savedefconfig failed to save the correct minimal config
when it encountered a choice marked optional.
Consider following minimal configuration:
$cat Kconfig
choice
prompt "choice"
optional
config A
bool "a"
config B
bool "b"
endchoice
$cat .config | grep -v ^#
CONFIG_A=y
$conf --savedefconfig=defconfig Kconfig
would before this fix result in an empty file, because
kconfig would assume that CONFIG_A=y is a default value.
But because the choice is optional the default is that
both A and B are =n.
Fix so we handle optional choices correct.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This fix facilitates fgets() either it returns on success or on error or
when end of file occurs.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This fix facilitates fwrite() in both confdata.c and expr.c, either it
succeeds in writing, or an error occurs, or the end of file is reached.
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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nconf crush with segfault if press right arrow in empty menu.
Signed-off-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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If a minimal config did not specify the value
of all choice values, the resulting configuration
could have wrong values.
Consider following example:
config M
def_bool y
option modules
choice
prompt "choice list"
config A
tristate "a"
config B
tristate "b"
endchoice
With a defconfig like this:
CONFIG_M=y
CONFIG_A=y
The resulting configuration would have
CONFIG_A=m
which was unexpected.
The problem was not not all choice values were set and thus
kconfig calculated a wrong value.
The fix is to set all choice values when we
read a defconfig files.
conf_set_all_new_symbols() is refactored such that
random choice values are now handled by a dedicated function.
And new choice values are set by set_all_choice_values().
This was not the minimal fix, but the fix that resulted
in the most readable code.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reported-by: Arve Hjønnevåg <arve@android.com>
Tested-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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savedefconfig failed to save choice symbols equal to 'y'
for tristate choices.
This resulted in this value being lost.
In particular is fixes an issue where
make ARCH=avr32 atngw100_defconfig
make ARCH=avr32 savedefconfig
cp defconfig arch/avr32/configs/atngw100_defconfig
make ARCH=avr32 atngw100_defconfig
diff -u .config .config.old
failed to produce an identical .config.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Conflicts:
scripts/kconfig/Makefile
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nconfig segfaults when help text contains the character '%'. For a quick
example, navigate to the kernel compression options and get the help for
bzip2. Doing so triggers a call to mvwprintw() with a string containing
'%' and no extra arguments to fill in the specifier's value. Fix this
case by printing the literal string retrieved from the kconfig.
#0 0x00002b52b6b11d83 in vfprintf () from /lib/libc.so.6
#1 0x00002b52b6bad010 in __vsnprintf_chk () from /lib/libc.so.6
#2 0x00002b52b623991b in _nc_printf_string () from
/lib/libncursesw.so.5
#3 0x00002b52b6234cff in vwprintw () from /lib/libncursesw.so.5
#4 0x00002b52b6234db9 in mvwprintw () from /lib/libncursesw.so.5
#5 0x00000000004151d8 in fill_window (win=0x21b64c0,
text=0x21b62b0 "CONFIG_KERNEL_BZIP2:\n\nIts compression ratio and
speed is intermediate.\nDecompression speed is slowest among the
three. The kernel\nsize is about 10% smaller with bzip2, in
comparison to gzip.\nBzip2 us"...)
at scripts/kconfig/nconf.gui.c:229
#6 0x0000000000416335 in show_scroll_win (main_window=0x21a5630,
title=0x157fa30 "Bzip2",
text=0x21b62b0 "CONFIG_KERNEL_BZIP2:\n\nIts compression
ratio and speed is intermediate.\nDecompression speed is
slowest among the three. The kernel\nsize is about 10%
smaller with bzip2, in comparison to gzip.\nBzip2 us"...)
at scripts/kconfig/nconf.gui.c:535
#7 0x00000000004055b2 in show_help (menu=0x157f9d0)
at scripts/kconfig/nconf.c:1257
#8 0x0000000000405897 in conf_choice (menu=0x157f130)
at scripts/kconfig/nconf.c:1321
#9 0x0000000000405326 in conf (menu=0x157d130) at
scripts/kconfig/nconf.c:1208
#10 0x00000000004052e8 in conf (menu=0xb434a0) at
scripts/kconfig/nconf.c:1203
#11 0x0000000000406092 in main (ac=2, av=0x7fff96a93c38)
Cc: Michal Marek <mmarek@suse.cz>
Cc: Nir Tzachar <nir.tzachar@gmail.com>
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
gconfig: fix build failure on fedora 13
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Making gconfig fails on fedora 13 as the linker cannot resolve dlsym.
Adding libdl to the link command fixes this.
make shows this error :-
/usr/bin/ld: scripts/kconfig/kconfig_load.o: undefined reference to symbol 'dlsym@@GLIBC_2.2.5'
/usr/bin/ld: note: 'dlsym@@GLIBC_2.2.5' is defined in DSO /lib64/libdl.so.2 so try adding it to the linker command line
/lib64/libdl.so.2: could not read symbols: Invalid operation
tested on x86_64 fedora 13.
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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* 'for-35' of git://repo.or.cz/linux-kbuild: (81 commits)
kbuild: Revert part of e8d400a to resolve a conflict
kbuild: Fix checking of scm-identifier variable
gconfig: add support to show hidden options that have prompts
menuconfig: add support to show hidden options which have prompts
gconfig: remove show_debug option
gconfig: remove dbg_print_ptype() and dbg_print_stype()
kconfig: fix zconfdump()
kconfig: some small fixes
add random binaries to .gitignore
kbuild: Include gen_initramfs_list.sh and the file list in the .d file
kconfig: recalc symbol value before showing search results
.gitignore: ignore *.lzo files
headerdep: perlcritic warning
scripts/Makefile.lib: Align the output of LZO
kbuild: Generate modules.builtin in make modules_install
Revert "kbuild: specify absolute paths for cscope"
kbuild: Do not unnecessarily regenerate modules.builtin
headers_install: use local file handles
headers_check: fix perl warnings
export_report: fix perl warnings
...
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Finding the list of Makefiles in streamline-config should not report errors.
Also move the "chomp" to the @makefiles array instead of doing it in the
for loop. This is more efficient, and does not make it any less readable
by C programmers.
Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de>
LKML-Reference: <201005262022.02928.toralf.foerster@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de>
LKML-Reference: <201005281025.52753.toralf.foerster@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Proper perl requires that local variables should be declared with 'my',
otherwise this may produce errors.
Signed-off-by: Toralf Foerster <toralf.foerster@gmx.de>
LKML-Reference: <201005281025.00358.toralf.foerster@gmx.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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sting replaced with string
Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Signed-off-by: Michal Marek <mmarek@suse.cz>
LKML-Reference: <20100203162014.GA10956@sepie.suse.cz>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Doing the following:
make LSMOD=file localmodconfig
Will make the streamline-config code use the given file instead of
lsmod. If the file is an executable, it will execute it, otherwise
it will read it as text.
make LSMOD=/my/local/path/lsmod localmodconfig
The above will execute the lsmod in /my/local/path instead of the
lsmods that may be located elsewhere.
make LSMOD=embedded_board_lsmod localmodconfig
The above will read the "embedded_board_lsmod" as a text file. This
is useful if you are doing a cross compile and need to run the
config against modules that exist on an embedded device.
Note, if the LSMOD= file does is not a path, it will add the
path to the object directory. That is, the above example will look
for "embedded_board_lsmod" in the directory that the binary will
be built in (the O=dir directory).
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
On branch config/linus
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Distributions now have lsmod in /bin instead of /sbin. But to handle
both cases, we look for it in /sbin /bin /usr/bin and /usr/sbin.
If lsmod is not found in any of those paths, it defaults to use
just lsmod and hopes that it lies in the path of the user.
Tested-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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The streamline_config.pl misses the if conditions for checking
dependencies. For Kconfigs with the following construct:
if MEDIA_SUPPORT
config VIDEO_DEV
[...]
If VIDEO_DEV was enabled, the script will miss the fact that MEDIA_SUPPORT
is also needed.
This patch changes streamline_config.pl to include if conditions into
the dependencies of configs.
Reported-by: Anton Blanchard <anton@sambo.org>
Tested-by: Anton Blanchard <anton@sambo.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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If someone downloads a brand new kernel and runs localmodconfig or
localyesconfig, the ending result will report:
*** Error during update of the kernel configuration.
This is because localmodconfig and localyesconfig must create the
include/generated directory to place the autoconf.h file.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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savedefconfig will save a minimal config to a file
named "defconfig".
The config symbols are saved in the same order as
they appear in the menu structure so it should
be possible to map them to the relevant menus
if desired.
The implementation was tested against several minimal
configs for arm which was created using brute-force.
There was one regression related to default numbers
which had their valid range further limited by another symbol.
Sample:
config FOO
int "foo"
default 4
config BAR
int "bar"
range 0 FOO
If FOO is set to 3 then BAR cannot take a value higher than 3.
But the current implementation will set BAR equal to 4.
This is seldomly used and the final configuration is OK,
and the fix was non-trivial.
So it was documented in the code and left as is.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Add a a few local functions to avoid some code duplication
No functional changes.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Move logic to determine default for a choice to
a separate function.
No functional changes.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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alldefconfig create a configuration with all values set
to their default value (form the Kconfig files).
This may be useful when we try to use more sensible default
values and may also be used in combination with
the minimal defconfigs.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Consider following kconfig file:
config TEST1
bool "test 1"
depends on TEST2
config TEST2
bool "test 2"
depends on TEST1
Previously kconfig would report:
foo:6:error: found recursive dependency: TEST2 -> TEST1 -> TEST2
With the following patch kconfig reports:
foo:5:error: recursive dependency detected!
foo:5: symbol TEST2 depends on TEST1
foo:1: symbol TEST1 depends on TEST2
Note that we now report where the offending symbols are defined.
This can be a great help for complex situations involving
several files.
Patch is originally from Roman Zippel with a few adjustments by Sam.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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When we add a new config symbol save the file/line
so we later can refer to their location.
The information is saved as a property to a config symbol
because we may have multiple definitions of the same symbol.
This has the side-effect that a symbol always has
at least one property.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Rename to a name that better match the other kconfig targets.
listnewconfig shall read as:
- list new options compared to current configuration
New options are now written to stdout so one can redirect the output.
Do not exit with an error code if there is new options.
These are feature changes compared to the original
nonint_oldconfig - but as this feature has not yet been in a
released kernel it should not matter.
It is still possible to do:
make listnewconfig
lookup new config options in Kconfig*
edit .config
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Aristeu Rozanski <aris@redhat.com>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Rename target to something that fall more in line
with the other kconfig targets.
oldnoconfig shall read as:
- read the old configuration and set all new options to no
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The list of options supported by conf is growing
and their abbreviation did not resemble anything usefull.
So drop the single letter options in favour of long options.
The long options are named equal to what we know from
the make target.
The internal implmentation was changed to match this,
resulting in much more readable code.
Support for short options is dropped - no one is supposed
to call this program direct anyway.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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There seems to be a kconfig bug due to MODULES not always being
evaluated if no .config is found. Take the following Kconfig as an
example:
config MODULES
def_bool y
config FOO
def_tristate m
With no .config, the following configuration is generated:
CONFIG_MODULES=y
CONFIG_FOO=y
With an empty .config, the following:
CONFIG_MODULES=y
CONFIG_FOO=m
Tristate choice statements can also exhibit the problem, due to having an
implicit rev_dep (select) containing "m".
The problem is that MODULES is never evaluted in conf_read_simple() unless
there's a .config. The following patch fixes this.
Signed-off-by: Ulf Magnusson <ulfalizer.lkml@gmail.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Give boolean symbols a 50% chance of getting enabled, rather than 67%.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This makes it so "make oldconfig" really prompts for any choice where
options that previously weren't visible just became so. Previously one
would have to remember to go over all choice values and check whether
some that previously couldn't be selected now can be.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The "select" statement in Kconfig files allows the enabling of options
even if they have unmet direct dependencies (i.e. "depends on" expands
to "no"). Currently, the "depends on" clauses are used in calculating
the visibility but they do not affect the reverse dependencies in any
way.
The patch introduces additional tracking of the "depends on" statements
and prints a warning on selecting an option if its direct dependencies
are not met.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Not sure if this is correct or not, but with
make menuconfig
HOSTCC scripts/kconfig/conf.o
scripts/kconfig/conf.c: In function 'conf_sym':
scripts/kconfig/conf.c:159:6: warning: variable 'type' set but not used
scripts/kconfig/conf.c: In function 'conf_choice':
scripts/kconfig/conf.c:231:6: warning: variable 'type' set but not used
HOSTLD scripts/kconfig/mconf
I get this using gcc 4.6.0 the below change fixes this form me.
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Truncate list items to fit in a single line, otherwise those items
which have long prompts will cover some other items.
This follows the behavior of menubox.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Run:
make ARCH=arm menuconfig
And then select "System Type" -> "ARM system type". The kconfig
"choice" menu at this point looks empty.
It's because config ARCH_S3C2410 has a long prompt:
config ARCH_S3C2410
bool "Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, S3C2450"
...
menuconfig centers the checklist according to this prompt without
considering the width of the list, and then things get wrong.
Reported-by: Nobin Mathew <nobin.mathew@gmail.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This feature has been supported in menuconfig and gconfig, so
here add it to xconfig.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Remove ConfigInfoView::setSource().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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@ok is a pointer to a bool var, so we should check the value of
*ok. But actually we don't need to check it, so just remove the
if statement.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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In gconfig if you enable "Show all options", you'll see some "(null)"
config options, and clicking those options triggers a warning:
(gconf:9368): Gtk-CRITICAL **: gtk_text_buffer_insert_with_tags: assertion `text != NULL' failed
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The logic should be reversed.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Suggested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Those configs are not new:
$ cat .config
...
CONFIG_NAMESPACES=y
...
CONFIG_BLOCK=y
...
But are tagged as NEW:
$ yes "" | make config > myconf
$ cat myconf | grep '(NEW)'
Namespaces support (NAMESPACES) [Y/?] (NEW) y
...
Enable the block layer (BLOCK) [Y/?] (NEW) y
...
You can also notice this bug when using gconfig/xconfig.
It's because the SYMBOL_DEF_USER bit of an invisible symbol is cleared
when the config file is read:
int conf_read(const char *name)
{
...
for_all_symbols(i, sym) {
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
/* Reset values of generates values, so they'll appear
* as new, if they should become visible, but that
* doesn't quite work if the Kconfig and the saved
* configuration disagree.
*/
if (sym->visible == no && !conf_unsaved)
sym->flags &= ~SYMBOL_DEF_USER;
...
}
But a menu item which represents an invisible symbol is still
visible, if it's sub-menu is visible, so its SYMBOL_DEF_USER
bit should be set to indicate it's not NEW.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Without this patch, one has to refer to the Kconfig file to find
out the range of an integer/hex symbol.
│ Symbol: NR_CPUS [=4]
│ Type : integer
│ Range : [2 8]
│ Prompt: Maximum number of CPUs
│ Defined at arch/x86/Kconfig:761
│ Depends on: SMP [=y] && !MAXSMP [=n]
│ Location:
│ -> Processor type and features
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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