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Linus Torvalds ce6513f758 Mainly boring here, too. rmmod --wait finally removed, though.
Cheers,
 Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull module updates from Rusty Russell:
 "Mainly boring here, too.  rmmod --wait finally removed, though"

* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  modpost: fix bogus 'exported twice' warnings.
  init: fix in-place parameter modification regression
  asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible
  kernel: add support for init_array constructors
  modpost: Optionally ignore secondary errors seen if a single module build fails
  module: remove rmmod --wait option.
2013-11-15 13:27:50 +09:00
Michal Marek 480f439c3d kallsyms: Revert back to 128 max symbol length
This reverts commits
f3462aa (Kbuild: Handle longer symbols in kallsyms.c) and
eea0e9c (kbuild: Increase kallsyms max symbol length)
except for the added overflow check. The reason is a regression caused
by increasing the buffer:
http://marc.info/?l=linux-kernel&m=138387700415675.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Joe Mario <jmario@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-13 15:58:19 +01:00
Johannes Berg e946c43a11 kernel-doc: improve "no structured comments found" error
When using '!Ffile function' in a docbook template, and the function no
longer exists, you get a "no structured comments found" error from the
kernel-doc processing script.  It's useful to know which functions it was
looking for, so print them out in this case.  Also do the same for '!Pfile
doc-section'

The same error also happens when using '!Efile' when some exported
functions aren't documented (in the same file.) There's a very large
number of such functions though, so don't print the message in this case
-- right now it would give ~850 messages.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cc: Rob Landley <rob@landley.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:32 +09:00
P J P 9ba4bcb645 initramfs: read CONFIG_RD_ variables for initramfs compression
When expert configuration option(CONFIG_EXPERT) is enabled, menuconfig
offers a choice of compression algorithm to compress initial ramfs image;
This choice is stored into CONFIG_RD_* variables.  But usr/Makefile uses
earlier INITRAMFS_COMPRESSION_* macros to build initial ramfs file.  Since
none of them is defined, resulting 'initramfs_data.cpio' file remains
un-compressed.

This patch updates the Makefile to use CONFIG_RD_* variables and adds
support for LZ4 compression algorithm.  Also updates the
'gen_initramfs_list.sh' script to check whether a selected compression
command is accessible or not.  And fall-back to default gzip(1)
compression when it is not.

Signed-off-by: P J P <prasad@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:26 +09:00
Joe Perches 823b794ce1 checkpatch: add check for sscanf without return use
Naked use sscanf can be troublesome because the pointed to variables may
not have been set.

Add a warning when the sscanf return value is not used.

For now, do not add __must_check to the sscanf prototype because that will
cause a couple of hundred new warnings when compiling a kernel.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:25 +09:00
Joe Perches 2b7ab45395 checkpatch: don't require kernel style __attribute__ shortcuts in uapi paths
Avoid prescribing kernel styled shortcuts for gcc extensions of
__attribute__((foo)) in the uapi include paths.

Fix $realfile filename when using -f/--file to not remove first level
directory as if the filename was used in a -P1 patch.  Only strip the
first level directory (typically a or b) for P1 patches.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: "Dixit, Ashutosh" <ashutosh.dixit@intel.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:25 +09:00
Joe Perches 507e51418c checkpatch: improve "return is not a function" test
Find a few more cases where parentheses are used around the value of a
return statement.

This now uses the "$balanced_parens" test and also makes the test depend
on perl v5.10 and higher.

This now finds return with parenthesis uses the old code did not find
like:

ERROR: return is not a function, parentheses are not required
#211: FILE: arch/m68k/include/asm/sun3xflop.h:211:
+		return ((error == 0) ? 0 : -1);

Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: David Cohen <david.a.cohen@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:25 +09:00
Josh Triplett 4783f894d0 checkpatch.pl: check for the FSF mailing address
Kernel maintainers reject new instances of the GPL boilerplate paragraph
directing people to write to the FSF for a copy of the GPL, since the FSF
has moved in the past and may do so again.

Make this an error for new code, but just a --strict CHK in --file mode;
anyone interested in doing tree-wide cleanups of this form can enable this
test explicitly.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:25 +09:00
Joe Perches c1fd7bb996 checkpatch: make the memory barrier test noisier
Peter Zijlstra prefers that comments be required near uses of memory
barriers.

Change the message level for memory barrier uses from a --strict test only
to a normal WARN so it's always emitted.

This might produce false positives around insertions of memory barriers
when a comment is outside the patch context block.

And checkpatch is still stupid, it only looks for existence of any
comment, not at the comment content.

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:25 +09:00
Joe Perches e970b8846a checkpatch: add rules to check init attribute and const defects
People get this regularly wrong and it breaks the LTO builds, as it causes
a section attribute conflict.

Add --fix capability too.

Based on a patch from Andi Kleen.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:25 +09:00
Joe Perches 52ea85061d checkpatch: add test for #defines of ARCH_HAS_<foo>
Add a test for these #defines

Additionally, moved string_find_replace sub as it screws up subsequent
formatting when placed inside another sub.

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:24 +09:00
Joe Perches 11ea516a6c checkpatch: find CamelCase definitions of struct/union/enum
Checkpatch doesn't currently find CamelCase definitions of structs, unions
or enums.

Add that ability.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:24 +09:00
Joe Perches 066687279c checkpatch: update seq_<foo> tests
seq_vprintf, seq_printf and seq_puts are logging functions and should be
allowed to exceed the maximium line length.

Add maximum line length exceptions for these functions.

Also, suggesting seq_printf conversions to seq_puts should be tested for
arguments after the format.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:24 +09:00
Joe Perches d8b077101b checkpatch: extend CamelCase types and ignore existing CamelCase uses in a patch
Extend the CamelCase words found to include structure members.

In https://lkml.org/lkml/2013/9/3/318 Sarah Sharp (mostly) wrote:

"In general, if checkpatch.pl complains about a variable a patch
introduces that's CamelCase, you should pay attention to it.  Otherwise,
[] ignore it."

So, if checking a patch, scan the original patched file if it's available
and add any preexisting CamelCase types so reuses do not generate
CamelCase messages.

That also means Andrew's not so cruelly spurned anymore.
https://lkml.org/lkml/2013/2/22/426

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:24 +09:00
Joe Perches 847316231c checkpatch: report missing spaces around trigraphs with --strict
Spaces around trigraphs are specified by CodingStyle but checkpatch is
currently silent about them because there are many current instances
without them.

Make missing spaces around trigraphs a --strict message.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:24 +09:00
Andi Kleen b5064654c5 scripts/mod/modpost.c: handle non ABS crc symbols
For some reason I managed to trick gcc into create CRC symbols that are
not absolute anymore, but weak.

Make modpost handle this case.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:12 +09:00
Jamie Iles 59c36455d0 scripts/sortextable: support objects with more than 64K sections.
Building with a large config and -ffunction-sections results in a large
number of sections and sortextable needs to be able to handle that.
Implement support for > 64K sections as modpost does.

Signed-off-by: Jamie Iles <jamie.iles@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13 12:09:00 +09:00
Michael Opdenacker 6cf3a6eff7 scripts/tags.sh: remove obsolete __devinit[const|data]
This removes the use of __devinitconst and __devinitdata in scripts/tags.sh,
which were removed in 3.8.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-08 10:57:20 +01:00
Fabio Estevam 6f62259b1a scripts: kallsyms: Use %zu to print 'size_t'
Commit f3462aa95 (Kbuild: Handle longer symbols in kallsyms.c) introduced the
following warning on ARM:

scripts/kallsyms.c:121:4: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' [-Wformat]

Use %zu to print 'size_t'.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-08 10:05:20 +01:00
David Ahern a614d01bdd perf tools: Fix version when building out of tree
When building perf out of tree:

  $ make perf-tar-src-pkg
  $ tar -xf perf-<ver>.tar -C /tmp
  $ cd /tmp/perf<ver>
  $ make -C tools/perf

you get this warning message:
    make[1]: *** No rule to make target `kernelversion'.  Stop.

Fix it by saving the perf version in the tar file and using that for the
out of tree builds.

v2: removed short form request and fixed up version string from usual output.

Signed-off-by: David Ahern <dsahern@gmail.com>
Suggested-by: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1383753335-25782-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-11-07 10:40:47 -03:00
Josh Triplett c2e182fab0 scripts/bloat-o-meter: use .startswith rather than fragile slicing
str.startswith has existed since at least Python 2.0, in 2000; use it
rather than a fragile comparison against an initial slice of a string,
which requires hard-coding the length of the string to compare against.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-07 10:47:13 +01:00
Josh Triplett 5a7b2d2796 scripts/bloat-o-meter: ignore changes in the size of linux_banner
linux_banner can change size due to changes in the compiler, build number,
or the user@host the system was compiled on; ignore size changes in
linux_banner entirely.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-07 10:46:54 +01:00
Rusty Russell b6568b1a19 modpost: fix bogus 'exported twice' warnings.
Andi's change in e0f244c63f ("asmlinkage, module: Make ksymtab and
kcrctab symbols and __this_module __visible") make the crc appear
first in the symbol table.

modpost creates an entry when it sees the CRC, then when it sees the
actual symbol, it complains that it's seen it before.  The preloaded
flag already exists for the equivalent case where we loaded from
Module.symvers, so use that.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Tested-by: The Awesome Power Of linux-next
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-11-07 12:11:59 +10:30
Kees Cook 849464d1ba kbuild: replace unbounded sprintf call in modpost
The modpost tool could overflow its stack buffer if someone was running
with an insane shell environment. Regardless, it's technically a bug,
so this fixes it to truncate the string instead of seg-faulting.

Found by Coverity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-06 22:30:03 +01:00
Andi Kleen 21cf6e584c kbuild, bloat-o-meter: fix static detection
Disable static detection: the static currently drops a lot of useful
information including clones generated by gcc. Drop this. The statics
will appear now without static. prefix.

But remove the LTO .NUMBER postfixes that look ugly

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-06 22:25:59 +01:00
Andi Kleen f3462aa952 Kbuild: Handle longer symbols in kallsyms.c
Also warn for too long symbols

v2: Add missing newline. Use 255 max (Joe Perches)
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-06 22:25:49 +01:00
Randy Dunlap 9645ae84ef scripts/kernel-doc: make unknown function prototype a Warning instead of an Error
When scripts/kernel-doc cannot understand a function prototype,
it had been generating a fatal error and stopping immediately.
Make this a Warning instead of an Error and keep going.

Note that this can happen if the kernel-doc notation that is being
parsed is not actually a function prototype; maybe it's a struct or
something else, so I added "function" to the warning message to try
to make it clearer that scripts/kernel-doc is looking for a function
prototype here.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc:	Mark Brown <broonie@kernel.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-11-06 22:00:35 +01:00
Jamie Iles f02b625d03 recordmcount.pl: Add support for __fentry__
With gcc 4.6.0 the -mfentry feature places the function profiling call
at the start of the function. When this is used, the call is to
__fentry__ and not mcount.  This is required for Ksplice as the C
version of recordmcount doesn't insert section symbols for the
__mcount_loc section so we fall back to the perl version.

Based on 48bb5dc6cd (ftrace: Make
recordmcount.c handle __fentry__).
Link: http://lkml.kernel.org/r/1383648129-10724-1-git-send-email-jamie.iles@oracle.com

Signed-off-by: Jamie Iles <jamie.iles@oracle.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-11-05 16:07:50 -05:00
Ming Lei f6537f2f0e scripts/kallsyms: filter symbols not in kernel address space
This patch uses CONFIG_PAGE_OFFSET to filter symbols which
are not in kernel address space because these symbols are
generally for generating code purpose and can't be run at
kernel mode, so we needn't keep them in /proc/kallsyms.

For example, on ARM there are some symbols which may be
linked in relocatable code section, then perf can't parse
symbols any more from /proc/kallsyms, this patch fixes the
problem (introduced b9b32bf70f)

Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@vger.kernel.org
2013-11-02 09:13:02 +10:30
Michal Marek e125096e73 Merge branch 'yem/kconfig-for-next' of git://gitorious.org/linux-kconfig/linux-kconfig into kbuild/kconfig 2013-10-31 11:58:59 +01:00
Andi Kleen e0f244c63f asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible
Make the ksymtab symbols for EXPORT_SYMBOL visible.
This prevents the LTO compiler from adding a .NUMBER prefix,
which avoids various problems in later export processing.

Cc: rusty@rustcorp.com.au
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-10-29 09:43:37 +10:30
Mike Pagano f29b5f3e6f show_delta: Update script to support python versions 2.5 through 3.3
Support past and active versions of python while maintaining backward compatibility. Script has been tested on python versions from 2.5.x up to and including 3.3.x.

Signed-off-by: Mike Pagano <mpagano@gentoo.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-10-23 17:13:42 +02:00
Wolfram Sang a690876385 scripts/coccinelle/api: remove devm_request_and_ioremap.cocci
Use of this function is discouraged in favour of
devm_ioremap_resource(). Don't advertise it.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-10-23 16:55:15 +02:00
Kirill Tkhai f5a82137a5 scripts/tags.sh: Increase identifier list
Add		__maybe_unused
		__always_unused
		__cacheline_aligned
		__cacheline_aligned_in_smp
		ACPI_EXPORT_SYMBOL
to the list.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-10-23 15:08:49 +02:00
Ben Hutchings 00d4f8fc2c xconfig: Fix the filename for GUI settings
Currently the qconf program invoked by 'make xconfig' stores GUI
settings in the file ~/.config/Unknown\ Organization.conf.  This name
is apparently generated by the QSettings class when no organisation
or application name are specified.

This is obviously not a sensible filename (nor does it seem sensible
that these QSettings parameters are optional!).  Pass the names
'kernel.org' and 'qconf', resuling in the filename
~/.config/kernel.org/qconf.conf.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
2013-10-08 23:52:16 +02:00
Martin Walch 503c823048 kconfig: fix bug in search results string: use strlen(gstr->s), not gstr->len
The struct gstr has a capacity that may differ from the actual string length.

However, a string manipulation in the function search_conf made the assumption
that it is the same, which led to messing up some search results, especially
when the content of the gstr in use had not yet reached at least 63 chars.

Signed-off-by: Martin Walch <walch.martin@web.de>
Acked-by: Wang YanQing <udknight@gmail.com>
Acked-by: Benjamin Poirier <bpoirier@suse.de>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
2013-10-08 23:52:16 +02:00
Martin Walch 3381960031 kconfig: remove unused definition from scanner
The definition ws [ \n\t] is not used anywhere. Drop it to avoid confusion.

As it is a dead definition, any changes in the resulting code generated by
flex would be surprising (actually testing this showed that there are really
no changes). So, there is no need to touch the existing zconf.lex.c_shipped.

Signed-off-by: Martin Walch <walch.martin@web.de>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN: <yann.morin.1998@free.fr>
2013-10-08 23:52:15 +02:00
Martin Walch 57540f1dea kconfig: adjust warning message for conflicting types
Each symbol must have exactly one type assigned. However, if a symbol happens
to have two different types assigned at runtime, a warning is printed and the
first type is preserved while the second type is being ignored.

The warning message says

type of <symbol name> redefined from <first type> to <second type>

which may be misleading as it may create the impression that the second type
replaces the first type.

This patch clarifies this by changing the warning to

ignoring type redefinition of <symbol name> from <first type> to <second type>

Signed-off-by: Martin Walch <walch.martin@web.de>
Acked-by: Wang YanQing <udknight@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
2013-10-08 23:52:15 +02:00
Martin Walch 8d9dfe8276 kconfig: fix trivial typos and update mconf documentation
This fixes lots of typos in comments and strings.

It also updates the documentation strings in mconf to reflect the changes in
the user interface from the two commits

6364fd0cb1
  menuconfig: Add Save/Load buttons
1bdbac478a
  menuconfig: Get rid of the top-level entries for "Load an Alternate/Save an Alternate"

And it updates the layout of the example search result, i. e. moves down the
"Defined at" and "Depends on" lines and adds a symbol state ([=n]) to the
symbol in the "Selected by" line.

Furthermore, the help texts now should fit in 80 columns again when viewed
in mconf.

Signed-off-by: Martin Walch <walch.martin@web.de>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
2013-10-08 23:52:14 +02:00
Martin Walch 31bfb10820 kconfig: add short explanation to SYMBOL_WRITE
replace the question mark in the comment after SYMBOL_WRITE with an explanation

Signed-off-by: Martin Walch <walch.martin@web.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
2013-10-08 23:52:14 +02:00
Antonio Alecrim Jr eb8948a037 X.509: remove possible code fragility: enumeration values not handled
Signed-off-by: Antonio Alecrim Jr <antonio.alecrim@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
2013-09-25 17:17:01 +01:00
Joe Perches d1d85780dd checkpatch: make extern in .h prototypes quieter
The use of extern in .h files is a bit contentious.

Make the warning be emitted only when --strict is used on the command
line.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-24 17:00:26 -07:00
Guenter Roeck eed380f3f5 modpost: Optionally ignore secondary errors seen if a single module build fails
Commit ea4054a23 (modpost: handle huge numbers of modules) added
support for building a large number of modules.

Unfortunately, the commit changed the semantics of the makefile: Instead of
passing only existing object files to modpost, make now passes all expected
object files. If make was started with option -i, this results in a modpost
error if a single file failed to build.

Example with the current btrfs build falure on m68k:

fs/btrfs/btrfs.o: No such file or directory
make[1]: [__modpost] Error 1 (ignored)

This error is followed by lots of errors such as:

m68k-linux-gcc: error: arch/m68k/emu/nfcon.mod.c: No such file or directory
m68k-linux-gcc: fatal error: no input files
compilation terminated.
make[1]: [arch/m68k/emu/nfcon.mod.o] Error 1 (ignored)

This doesn't matter much for normal builds, but it is annoying for builds
started with "make -i" due to the large number of secondary errors.
Those errors unnececessarily clog any error log and make it difficult
to find the real errors in the build.

Fix the problem by adding a new parameter '-n' to modpost. If this parameter
is specified, modpost reports but ignores missing object files.

With this patch, error output from above problem is (with make -i):

m68k-linux-ld: cannot find fs/btrfs/ioctl.o: No such file or directory
make[2]: [fs/btrfs/btrfs.o] Error 1 (ignored)
...
fs/btrfs/btrfs.o: No such file or directory (ignored)

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael Marek <mmarek@suse.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-09-23 15:45:03 +09:30
Linus Torvalds 183c420323 Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig fix from Michal Marek:
 "This is a fix for a regression caused by my previous pull request.

  A sed command in scripts/config that used colons as separator was
  accidentally changed to use slashes, which fails when you use slashes
  in a value.  Changing it back to colons is of course not a proper fix,
  but at least it will be broken in the same way it had been for four
  years.  A proper fix is pending"

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/config: fix variable substitution command
2013-09-13 07:30:17 -07:00
Clement Chauplannaz 86eb781889 scripts/config: fix variable substitution command
Commit 229455bc02b87f7128f190c4491b4ceffff38648 accidentally changed the
separator between sed `s' command and its parameters from ':' to '/'.

Revert this change.

Reported-and-tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Clement Chauplannaz <chauplac@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-09-13 13:06:59 +02:00
Linus Torvalds 5a7d8a2808 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This has been sitting in -next for a while with no objections and all
  MIPS defconfigs except one are building fine; that one platform got
  broken by another patch in your tree and I'm going to submit a patch
  separately.

   - a handful of fixes that didn't make 3.11
   - a few bits of Octeon 3 support with more to come for a later
     release
   - platform enhancements for Octeon, ath79, Lantiq, Netlogic and
     Ralink SOCs
   - a GPIO driver for the Octeon
   - some dusting off of the DECstation code
   - the usual dose of cleanups"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (65 commits)
  MIPS: DMA: Fix BUG due to smp_processor_id() in preemptible code
  MIPS: kexec: Fix random crashes while loading crashkernel
  MIPS: kdump: Skip walking indirection page for crashkernels
  MIPS: DECstation HRT calibration bug fixes
  MIPS: Export copy_from_user_page() (needed by lustre)
  MIPS: Add driver for the built-in PCI controller of the RT3883 SoC
  MIPS: DMA: For BMIPS5000 cores flush region just like non-coherent R10000
  MIPS: ralink: Add support for reset-controller API
  MIPS: ralink: mt7620: Add cpu-feature-override header
  MIPS: ralink: mt7620: Add spi clock definition
  MIPS: ralink: mt7620: Add wdt clock definition
  MIPS: ralink: mt7620: Improve clock frequency detection
  MIPS: ralink: mt7620: This SoC has EHCI and OHCI hosts
  MIPS: ralink: mt7620: Add verbose ram info
  MIPS: ralink: Probe clocksources from OF
  MIPS: ralink: Add support for systick timer found on newer ralink SoC
  MIPS: ralink: Add support for periodic timer irq
  MIPS: Netlogic: Built-in DTB for XLP2xx SoC boards
  MIPS: Netlogic: Add support for USB on XLP2xx
  MIPS: Netlogic: XLP2xx update for I2C controller
  ...
2013-09-12 16:14:49 -07:00
Joe Perches 8716de383b checkpatch: add test for positional misuse of section specifiers like __initdata
As discussed recently on the arm [1] and lm-sensors [2] lists, it is
possible to use section markers on variables in a way which gcc doesn't
understand (or at least not the way the developer intended):

static struct __initdata samsung_pll_clock exynos4_plls[nr_plls] = {

does NOT put exynos4_plls in the .initdata section.  The __initdata marker
can be virtually anywhere on the line, EXCEPT right after "struct".  The
preferred location is before the "=" sign if there is one, or before the
trailing ";" otherwise.

[1] http://permalink.gmane.org/gmane.linux.ports.arm.kernel/258149
[2] http://lists.lm-sensors.org/pipermail/lm-sensors/2013-August/039836.html

So, update checkpatch to find these misuses and report an error when it's
immediately after struct or union, and a warning when it's otherwise not
immediately before the ; or =.

A similar patch was suggested by Andi Kleen
https://lkml.org/lkml/2013/8/5/648

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:49 -07:00
Joe Perches 58cb3cf66c checkpatch: fix perl version 5.12 and earlier incompatibility
A previous patch ("checkpatch: add --types option to report only
specific message types") uses a perl syntax introduced in perl version
5.14.

Use the backward compatible perl syntax instead.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:49 -07:00
Joe Perches 1b5539b1ff checkpatch: reduce runtime/cpu time used
There are some cases where checkpatch can take a long time to complete.
Reduce the likelihood of this long run-time by adding a new test for lines
with and without comments and eliminating checks on lines with only
comments.

This reduces the number of "ctx_statement_block" calls, and also the
number of tests of $stat, which is now undefined for these blank lines.

One test in particular, the "check for switch/default statements without a
break", could take an extremely long time to parse as it tries to skip
interleaving comments within the ctx_statement_block/$stat and that could
be done multiple times unnecessarily.

A small test case taken from cfg80211.h before this patch would take
1000's of seconds to run, now it's just a couple seconds.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:48 -07:00
Joe Perches b34c648bb3 checkpatch: better --fix of SPACING errors.
Previous attempt at fixing SPACING errors could make a hash of several
defects.

This patch should make --fix be a lot better at correcting these defects.

Trim left and right sides of these defects appropriately instead of a
somewhat random attempt at it.

Trim left spaces from any following bit of the modified line when only a
single space is required around an operator.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Phil Carmody <phil.carmody@partner.samsung.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:48 -07:00
Joe Perches f95a7e6a46 checkpatch: ignore #define TRACE_<foo> macros
The tracing subsystem uses slightly odd #defines to set path/directory
locations for include files.

These #defines can cause false positives for the complex macro tests so
add exclusions for these specific #defines (TRACE_SYSTEM,
TRACE_INCLUDE_FILE, TRACE_INCLUDE_PATH).

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:46 -07:00
Joe Perches 91bfe4843d checkpatch: add --types option to report only specific message types
Add a --types convenience option to show only specific message types.
Combined with the --fix option, this can produce specific suggested
formatting patches to files.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:45 -07:00
Joe Perches 61135e9663 checkpatch: fix networking kernel-doc block comment defect
checkpatch can generate a false positive when inserting a new kernel-doc
block and function above an existing kernel-doc block.

Fix it by checking that the context line is also a newly inserted line.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:44 -07:00
Joe Perches 70dc8a4835 checkpatch: warn when using extern with function prototypes in .h files
Using the extern keyword on function prototypes is superfluous visual
noise so suggest removing it.

Using extern can cause unnecessary line wrapping at 80 columns and
unnecessarily long multi-line function prototypes.

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:43 -07:00
Joe Perches 7e51f19792 checkpatch: check for duplicate signatures
Emit a warning when a signature is used more than once.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:42 -07:00
Dave Hansen d62a201f24 checkpatch: enforce sane perl version
I got a bug report from a couple of users who said checkpatch.pl was
broken for them.  It was erroring out on fairly random lines most commonly
with messages like:

	Nested quantifiers in regex; marked by <--HERE in m/(\((?:[^\(\)]++ <-- HERE |(?-1))*\))/ at ./checkpatch.pl line 340.

The bug reporter was running a version of perl 5.8 which was end-of-lifed
in 2008: http://www.cpan.org/src/.  Versions of perl this old are at
_best_ quite untested.  At worst, they are crusty and known to be
completely broken.

If folks have a system _that_ old, then we should have mercy on them and
give them a half-decent error message rather than fail with nutty error
messages.

This patch enforces that checkpatch.pl is run with perl 5.10, which was
end-of-lifed in 2009.  The new --ignore-perl-version command-line switch
will let folks override this if they want.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:41 -07:00
Joe Perches 7e781f67df checkpatch: check CamelCase by word, not by $Lval
$Lval is a test for complete name (ie: foo->bar.Baz[1])

If any of this is CamelCase, then the current test uses the entire $Lval.
This isn't optimal because it can emit messages with foo->bar.Baz and
bar.Baz when Baz is a variable specified in an include file.

So instead, break the $Lval into words and check each word for CamelCase
uses.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:40 -07:00
Joe Perches d5e616fc1c checkpatch: add a few more --fix corrections
Suggest a few more single-line corrections.

Remove DOS line endings
Simplify removing trailing whitespace
Remove global/static initializations to 0/NULL
Convert pr_warning to pr_warn
Add space after brace
Convert binary constants to hex
Remove whitespace after line continuation
Use inline not __inline or __inline__
Use __printf and __scanf
Use a single ; for statement terminations
Convert __FUNCTION__ to __func__

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:58:39 -07:00
Linus Torvalds 5b4197845a Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig updates from Michal Marek:
 "This is the kconfig part of kbuild for v3.12-rc1:
   - post-3.11 search code fixes and micro-optimizations
   - CONFIG_MODULES is no longer a special case; this is needed to
     eventually fix the bug that using KCONFIG_ALLCONFIG breaks
     allmodconfig
   - long long is used to store hex and int values
   - make silentoldconfig no longer warns when a symbol changes from
     tristate to bool (it's a job for make oldconfig)
   - scripts/diffconfig updated to work with newer Pythons
   - scripts/config does not rely on GNU sed extensions"

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig: do not allow more than one symbol to have 'option modules'
  kconfig: regenerate bison parser
  kconfig: do not special-case 'MODULES' symbol
  diffconfig: Update script to support python versions 2.5 through 3.3
  diffconfig: Gracefully exit if the default config files are not present
  modules: do not depend on kconfig to set 'modules' option to symbol MODULES
  kconfig: silence warning when parsing auto.conf when a symbol has changed type
  scripts/config: use sed's POSIX interface
  kconfig: switch to "long long" for sanity
  kconfig: simplify symbol-search code
  kconfig: don't allocate n+1 elements in temporary array
  kconfig: minor style fixes in symbol-search code
  kconfig/[mn]conf: shorten title in search-box
  kconfig: avoid multiple calls to strlen
  Documentation/kconfig: more concise and straightforward search explanation
2013-09-11 08:34:25 -07:00
Linus Torvalds 327fff3e13 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild updates from Michal Marek:
 "In the kbuild misc branch, I have:
   - make rpm-pkg updates, most importantly the rpm package now calls
     /sbin/installkernel
   - make deb-pkg: debuginfo split, correct kernel image path for
     parisc, mips and powerpc and a couple more minor fixes
   - New coccinelle check"

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/checkkconfigsymbols.sh: replace echo -e with printf
  Provide version number for Debian firmware package
  coccinelle: replace 0/1 with false/true in functions returning bool
  deb-pkg: add a hook argument to match debian hooks parameters
  deb-pkg: fix installed image path on parisc, mips and powerpc
  deb-pkg: split debug symbols in their own package
  deb-pkg: use KCONFIG_CONFIG instead of .config file directly
  rpm-pkg: add generation of kernel-devel
  rpm-pkg: install firmware files in kernel relative directory
  rpm-pkg: add %post section to create initramfs and grub hooks
2013-09-07 19:47:35 -07:00
Linus Torvalds 1ff5e37e72 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild update from Michal Marek:
 "Only these two commits are in the kbuild branch this time:
   - Using filechk for include/config/kernel.release
   - Cleanup in scripts/sortextable.c"

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: Do not overwrite include/config/kernel.release needlessly
  scripts: remove unused function in sortextable.c
2013-09-07 19:46:50 -07:00
Linus Torvalds 4de9ad9bc0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull Tile arch updates from Chris Metcalf:
 "These changes bring in a bunch of new functionality that has been
  maintained internally at Tilera over the last year, plus other stray
  bits of work that I've taken into the tile tree from other folks.

  The changes include some PCI root complex work, interrupt-driven
  console support, support for performing fast-path unaligned data
  fixups by kernel-based JIT code generation, CONFIG_PREEMPT support,
  vDSO support for gettimeofday(), a serial driver for the tilegx
  on-chip UART, KGDB support, more optimized string routines, support
  for ftrace and kprobes, improved ASLR, and many bug fixes.

  We also remove support for the old TILE64 chip, which is no longer
  buildable"

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (85 commits)
  tile: refresh tile defconfig files
  tile: rework <asm/cmpxchg.h>
  tile PCI RC: make default consistent DMA mask 32-bit
  tile: add null check for kzalloc in tile/kernel/setup.c
  tile: make __write_once a synonym for __read_mostly
  tile: remove support for TILE64
  tile: use asm-generic/bitops/builtin-*.h
  tile: eliminate no-op "noatomichash" boot argument
  tile: use standard tile_bundle_bits type in traps.c
  tile: simplify code referencing hypervisor API addresses
  tile: change <asm/system.h> to <asm/switch_to.h> in comments
  tile: mark pcibios_init() as __init
  tile: check for correct compiler earlier in asm-offsets.c
  tile: use standard 'generic-y' model for <asm/hw_irq.h>
  tile: use asm-generic version of <asm/local64.h>
  tile PCI RC: add comment about "PCI hole" problem
  tile: remove DEBUG_EXTRA_FLAGS kernel config option
  tile: add virt_to_kpte() API and clean up and document behavior
  tile: support FRAME_POINTER
  tile: support reporting Tilera hypervisor statistics
  ...
2013-09-06 11:14:33 -07:00
Yann E. MORIN e062781397 kconfig: do not allow more than one symbol to have 'option modules'
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>
2013-09-05 11:10:08 +02:00
Yann E. MORIN c80de52d30 kconfig: regenerate bison parser
Regenerate bison parser after changes made in:
    6902dcc: kconfig: do not special-case 'MODULES' symbol

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>
2013-09-05 11:10:01 +02:00
Yann E. MORIN 6902dccfda kconfig: do not special-case 'MODULES' symbol
Currently, the 'MODULES' symbol is hard-coded to be the default symbol
that enables/disables tristates, if no other symbol was declared with
'option modules'.

While this used to be needed for the Linux kernel, we now have an
explicit 'option modules' attached to the 'MODULES' symbol (since
cset 11097a036), so we no longer need to special-case it in the
kconfig code.

Furthermore, kconfig is extensively used out of the Linux kernel, and
other projects may have another meaning for a symbol named 'MODULES'.

This patch changes the way we enable/disable tristates: if a symbol was
found with 'option modules' attached to it, then that symbol controls
enabling tristates. Otherwise, tristates are disabled, even if a symbol
named 'MODULES' exists.

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>
2013-09-05 11:09:17 +02:00
Linus Torvalds 3398d252a4 Minor fixes mainly, including a potential use-after-free on remove found by
CONFIG_DEBUG_KOBJECT_RELEASE which may be theoretical.
 
 Cheers,
 Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull module updates from Rusty Russell:
 "Minor fixes mainly, including a potential use-after-free on remove
  found by CONFIG_DEBUG_KOBJECT_RELEASE which may be theoretical"

* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  module: Fix mod->mkobj.kobj potentially freed too early
  kernel/params.c: use scnprintf() instead of sprintf()
  kernel/module.c: use scnprintf() instead of sprintf()
  module/lsm: Have apparmor module parameters work with no args
  module: Add NOARG flag for ops with param_set_bool_enable_only() set function
  module: Add flag to allow mod params to have no arguments
  modules: add support for soft module dependencies
  scripts/mod/modpost.c: permit '.cranges' secton for sh64 architecture.
  module: fix sprintf format specifier in param_get_byte()
2013-09-04 17:34:29 -07:00
Mike Pagano c8272faf5e diffconfig: Update script to support python versions 2.5 through 3.3
Support past and active versions of python while maintaining backward
compatibility. Script has been tested on python versions up to and
including 3.3.X.

Signed-off-by: Mike Pagano <mpagano@gentoo.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-09-01 21:24:51 +02:00
Tony Lu a61fd5e366 tile: support ftrace on tilegx
This commit adds support for static ftrace, graph function support,
and dynamic tracer support.

Signed-off-by: Tony Lu <zlu@tilera.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2013-08-30 10:20:13 -04:00
Max Filippov 36b5401b76 scripts/checkkconfigsymbols.sh: replace echo -e with printf
-e is a non-standard echo option, echo output is
implementation-dependent when it is used. Replace echo -e
with printf as suggested by POSIX echo manual.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-08-28 17:00:47 +02:00
Stuart Longland 7848ea7902 kbuild: Add MIPS specific files to generated package.
A lot of 64-bit systems supported by Linux/MIPS have boot firmware or
bootloaders that only understand 32-bit ELF files, and as such, the vmlinux.32
target exists to support these systems.  Therefore, it'd be nice if the tar-pkg
target recognised this, and included the right version when packaging up a
binary of the kernel.

This updates buildtar to support MIPS targets.  MIPS may use 'vmlinux'
or 'vmlinux.32' depending on the target system.  This uses 'vmlinux.32'
in preference to 'vmlinux' where present (although I should check which
is newer), including either file as /boot/vmlinux-${version}.

Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1673/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-08-26 15:31:54 +02:00
Chen Gang 4d10c223ba scripts/mod/modpost.c: permit '.cranges' secton for sh64 architecture.
Need permit '.cranges' section for sh64 architecture, or modpost will
report warning:

    LD      init/built-in.o
  WARNING: init/built-in.o (.cranges): unexpected non-allocatable section.
  Did you forget to use "ax"/"aw" in a .S file?
  Note that for example <linux/init.h> contains
  section definitions for use in .S files.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2013-08-20 15:37:40 +09:30
Mike Pagano 6bf2e84b8c diffconfig: Gracefully exit if the default config files are not present
Handle gracefully the instance where config files are not present.
Compatible with python versions 2.5, 2.6 and 2.7.
The try/except is forward compatible with python version 3 once the entire script is ported.

Signed-off-by: Mike Pagano <mpagano@gentoo.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-08-19 22:33:32 +02:00
Yann E. MORIN 04b19b773a kconfig: silence warning when parsing auto.conf when a symbol has changed type
When a symbol changes type from tristate to bool, and was previously set to
'm', a subsequent silentoldconfig would warn about inconsistency, such as:

    include/config/auto.conf:3014:warning: symbol value 'm' invalid for
    HOTPLUG_PCI_PCIE

Seen by Linus with the merge in aa8032b (sequence to reproduce by Michal):
    git checkout 1fe0135
    make mrproper
    make allmodconfig
    make silentoldconfig
    git checkout aa8032b
    make allmodconfig
    make silentoldconfig

Since HOTPLUG_PCI_PCIE changed from tristate to bool in aa8032b, it was
previously set to 'm' in auto.conf by the first allmodconfig+silentoldconfig,
but then was set to 'y' by the second allmodconfig. Then the second
silentoldconfig prints the warning.

The warning in this case is a spurious warning, which happens at the time
kconfig tries to detect symbols that have changed, to touch the empty
header files in include/config used for dependency-tracking by make.

Silence the warning when we read the old auto.conf file, since it is
perfectly legit that a symbol changed type since the previous call.

Thread in:
    http://marc.info/?l=linux-pci&m=137569198904000&w=2

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-08-15 22:48:08 +02:00
Clement Chauplannaz 83e8b90e1d scripts/config: use sed's POSIX interface
Script `config' relies on extensions of `GNU sed', and is thus not
working on all Unixes:
  - in-place edition of files (-i), which can be replaced with
    a temporary file;
  - extended-regexps (-r), which can be split into basic regexps;
  - single-line calls to `a' command, while some implementations
    require a leading newline before the parameter.

Rewrite calls to `sed' to comply with POSIX interface, and move them
to helper functions.

Signed-off-by: Clement Chauplannaz <chauplac@gmail.com>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2013-08-15 22:48:07 +02:00
Kees Cook 129784abc9 kconfig: switch to "long long" for sanity
Instead of using "long" for kconfig "hex" and "range" values, which may
change in size depending on the host architecture, use "long long". This
will allow values greater than INT_MAX on 32-bit hosts when cross
compiling.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
2013-08-15 22:48:06 +02:00
Heinrich Schuchardt 95e2a7d807 Provide version number for Debian firmware package
scripts/package/builddeb is used to create Debian packages.
Currently the firmware package always gets the same version number
irrespective of the Kernel version.
The paths inside the firmware package depend on the Kernel
version.

With the patch supplied the Kernel version becomes part of the
Debian firmware package number.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Ben Hutchings <ben@decadent.org.uk>
Acked-by: maximilian attems <max@stro.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-08-15 18:01:18 +02:00
Rasmus Villemoes 46b5c9b856 coccinelle: replace 0/1 with false/true in functions returning bool
This semantic patch replaces "return {0,1};" with "return
{false,true};" in functions returning bool.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-08-13 22:43:41 +02:00
Ramkumar Ramachandra 4f9879f6c6 scripts: remove unused function in sortextable.c
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-25 16:20:33 +02:00
Anisse Astier c95182bf9b deb-pkg: add a hook argument to match debian hooks parameters
We now provide the installed image path to the kernel hooks.

This should allow the package to better integrate with debian hooks, and
should not be too disruptive of hooks supporting only one parameter.

Signed-off-by: Anisse Astier <anisse@astier.eu>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: maximilian attems <max@stro.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-24 15:50:24 +02:00
Anisse Astier 9de7017644 deb-pkg: fix installed image path on parisc, mips and powerpc
Signed-off-by: Anisse Astier <anisse@astier.eu>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-24 15:50:23 +02:00
Anisse Astier 810e843746 deb-pkg: split debug symbols in their own package
This can reduce almost 3 times the size of the linux-image package,
while keeping the debug symbols available for this particular build, in
their own package.

This mimics the way kernels are built in debian, ubuntu, or with
make-kpkg, and comes at the price of a small slowdown in the building of
packages.

Signed-off-by: Anisse Astier <anisse@astier.eu>
Cc: Ben Hutchings <ben@decadent.org.uk>
Acked-by: maximilian attems <max@stro.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-24 15:50:23 +02:00
Anisse Astier d20917670e deb-pkg: use KCONFIG_CONFIG instead of .config file directly
Signed-off-by: Anisse Astier <anisse@astier.eu>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-24 15:50:23 +02:00
Michal Marek c3286ee337 Merge branch 'yem-kconfig-rc-fixes' of git://gitorious.org/linux-kconfig/linux-kconfig into kbuild/kconfig 2013-07-23 15:57:17 +02:00
Mike Marciniszyn 2174d29201 rpm-pkg: add generation of kernel-devel
Change the spec file to generate a kernel-devel module
allowing for compilation of external kernel modules.

This patch requires a new minimum RPM level of 4.0.3.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-23 14:36:44 +02:00
Mike Marciniszyn 41612378da rpm-pkg: install firmware files in kernel relative directory
Prior to this patch, firmware files were being installed
in /lib/firmware with a potential conflict with already
installed kernels.

firmware files are now installed in /lib/firmware/<release>
and packaged with the rest of the modules.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-23 14:36:44 +02:00
Mike Marciniszyn 3c9c7a14b6 rpm-pkg: add %post section to create initramfs and grub hooks
/sbin/installkernel is used to insure grub hooks are
inserted and the initramfs is created on the
target system.

The invokation installkernel will work with any
kernel as long as:
- /sbin/installkernel exists
- the kernel and sysem map files are readable

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-23 14:36:44 +02:00
Yann E. MORIN 508382a042 kconfig: simplify symbol-search code
There is no need for a double indirection in the temporary array that
stores the internediate search results.

Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
2013-07-16 20:39:42 +02:00
Yann E. MORIN 1407f97aed kconfig: don't allocate n+1 elements in temporary array
The temporary array that stores the search results is not NULL-terminated,
so there is no reason to allocate n+1 elements.

Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
2013-07-16 20:36:18 +02:00
Yann E. MORIN 803b351988 kconfig: minor style fixes in symbol-search code
Two minor style fixes:
  - no space before/after parenthesis in function definition
  - no {} for single-line if()

And one grammar fix in a comment.

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>
2013-07-16 20:34:44 +02:00
Yann E. MORIN f6eb6e46f7 kconfig/[mn]conf: shorten title in search-box
No need to repeat the 'CONFIG_' string in the title,
once is explicit enough.

Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Jean Delvare <jdelvare@suse.de>
2013-07-16 20:26:47 +02:00
Yann E. MORIN 26e933e3c3 kconfig: avoid multiple calls to strlen
Calls to strlen are costly, so avoid calling strln as much as we can.

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>
2013-07-16 20:26:46 +02:00
Rusty Russell 8c6ffba0ed PTR_RET is now PTR_ERR_OR_ZERO(): Replace most.
Sweep of the simple cases.

Cc: netdev@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-07-15 11:25:01 +09:30
Linus Torvalds ae92494930 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull coccinelle updates from Michal Marek:
 "The misc branch is reserved for Coccinelle this time:

   - 'report' is the default mode
   - MAINTAINERS update for Coccinelle
   - documentation udate
   - use new option format for spatch(1)
   - J=<n> variable to mimic make -j for coccicheck
   - check for missing pci_free_consistent() calls

  There are some patches for rpm-pkg and deb-pkg waiting for the
  3.12-rc1 merge window"

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Coccinelle: Update information about the minimal version required
  Coccinelle: Update the options used to the new option scheme
  scripts: Coccinelle script for pci_free_consistent()
  Coccinelle: Update the documentation
  Coccinelle: Update section of MAINTAINERS
  coccicheck: span checks across CPUs
  scripts/coccinelle: check for field address argument to kfree
  Coccinelle: Update the Coccinelle section of MAINTAINERS
  Coccinelle: Make 'report' the default mode
2013-07-10 16:08:06 -07:00
Linus Torvalds b202c0d520 Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
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
2013-07-10 16:06:46 -07:00
Linus Torvalds cb63fc2662 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek:
 - fix for make headers_install argv explosion with too long path
 - scripts/setlocalversion does not call git update-index needlessly
 - fix for the src.rpm produced by make rpm-pkg.  The new make
   image_name can be useful also for other packaging tools.
 - scripts/mod/devicetable-offsets.o is not rebuilt during each make run
 - make modules_install dependency fix
 - scripts/sortextable portability fix
 - fix for kbuild to generate the output directory for all object files
   in subdirs.
 - a couple of minor fixes

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: create directory for dir/file.o
  tools/include: use stdint types for user-space byteshift headers
  Makefile: Fix install error with make -j option
  Fix a build warning in scripts/mod/file2alias.c
  improve modalias building
  scripts/mod: Spelling s/DEVICEVTABLE/DEVICETABLE/
  kbuild: fix error when building from src rpm
  scripts/setlocalversion on write-protected source tree
  Makefile.lib: align DTB quiet_cmd
  kbuild: fix make headers_install when path is too long
2013-07-10 16:05:40 -07:00
Kyungsik Lee e76e1fdfa8 lib: add support for LZ4-compressed kernel
Add support for extracting LZ4-compressed kernel images, as well as
LZ4-compressed ramdisk images in the kernel boot process.

Signed-off-by: Kyungsik Lee <kyungsik.lee@lge.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Yann Collet <yann.collet.73@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-09 10:33:30 -07:00
Joe Perches c707a81de7 checkpatch: make the CamelCase cache work for non-git trees too
Might as well check include timestamps and cache the include file
CamelCase uses for the non-git case too.

The camelcase cache file is now named:

  for git:      .checkpatch-camelcase.git.<commit_id>
  for non-git:  .checkpatch-camelcase.date.<YYYYMMDDhhmm>

All .checkpatch-camelcase* files are deleted if not current.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-09 10:33:25 -07:00
Linus Torvalds 8dce5f3dee Merge branch 'cpuinit-delete' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull first stage of __cpuinit removal from Paul Gortmaker:
 "The two commits here 1) dummy out all the __cpuinit macros so that we
  no longer generate such sections, and then 2) remove all the section
  processing that we used to do for those sections.

  This makes all the __cpuinit and friends no-ops, so that we can remove
  the use cases of it at our leisure.  Expect stage 2, which does the
  tree wide removal sweep at the end of the merge window."

* 'cpuinit-delete' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  modpost: remove all traces of cpuinit/cpuexit sections
  init.h: remove __cpuinit sections from the kernel
2013-07-07 11:01:19 -07:00
Linus Torvalds 7f0ef0267e Merge branch 'akpm' (updates from Andrew Morton)
Merge first patch-bomb from Andrew Morton:
 - various misc bits
 - I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been
   distracted.  There has been quite a bit of activity.
 - About half the MM queue
 - Some backlight bits
 - Various lib/ updates
 - checkpatch updates
 - zillions more little rtc patches
 - ptrace
 - signals
 - exec
 - procfs
 - rapidio
 - nbd
 - aoe
 - pps
 - memstick
 - tools/testing/selftests updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits)
  tools/testing/selftests: don't assume the x bit is set on scripts
  selftests: add .gitignore for kcmp
  selftests: fix clean target in kcmp Makefile
  selftests: add .gitignore for vm
  selftests: add hugetlbfstest
  self-test: fix make clean
  selftests: exit 1 on failure
  kernel/resource.c: remove the unneeded assignment in function __find_resource
  aio: fix wrong comment in aio_complete()
  drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode
  drivers/memstick/host/r592.c: convert to module_pci_driver
  drivers/memstick/host/jmb38x_ms: convert to module_pci_driver
  pps-gpio: add device-tree binding and support
  drivers/pps/clients/pps-gpio.c: convert to module_platform_driver
  drivers/pps/clients/pps-gpio.c: convert to devm_* helpers
  drivers/parport/share.c: use kzalloc
  Documentation/accounting/getdelays.c: avoid strncpy in accounting tool
  aoe: update internal version number to v83
  aoe: update copyright date
  aoe: perform I/O completions in parallel
  ...
2013-07-03 17:12:13 -07:00
Alexandre Bounine 3bdbb62fe9 rapidio: add udev notification
Add RapidIO-specific modalias generation to enable udev notifications
about RapidIO-specific events.

The RapidIO modalias string format is shown below:

"rapidio:vNNNNdNNNNavNNNNadNNNN"

Where:
v  - Device Vendor ID (16 bit),
d  - Device ID (16 bit),
av - Assembly Vendor ID (16 bit),
ad - Assembly ID (16 bit),

as they are reported in corresponding Capability Registers (CARs)
of each RapidIO device.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Andre van Herk <andre.van.herk@Prodrive.nl>
Cc: Micha Nelissen <micha.nelissen@Prodrive.nl>
Cc: Stef van Os <stef.van.os@Prodrive.nl>
Cc: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03 16:08:05 -07:00