Commit Graph

644 Commits

Author SHA1 Message Date
Bryan Wu c6495aaabf kallsyms: nuke all ChangeLog, this should be logged by git
Pointed out by Paulo:
  "When I wrote this initially, it was a mistake to add a Changelog in
   the first place, but I didn't know better at the time.

   If you're going to make changes to this file, please remove all the
   Changelog, instead of adding more entries to it.  The 'Changelog'
   should be kept by the version control system, and not the source code
   itself."

Cc: Paulo Marques <pmarques@grupopie.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Acked-by: Paulo Marques <pmarques@grupopie.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-30 08:29:31 -07:00
Jean Delvare d2653e9273 i2c: Add support for device alias names
Based on earlier work by Jon Smirl and Jochen Friedrich.

This patch allows new-style i2c chip drivers to have alias names using
the official kernel aliasing system and MODULE_DEVICE_TABLE(). At this
point, the old i2c driver binding scheme (driver_name/type) is still
supported.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jochen Friedrich <jochen@scram.de>
Cc: Jon Smirl <jonsmirl@gmail.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
2008-04-29 23:11:39 +02:00
Andy Whitcroft 9c9ba34ee3 update checkpatch.pl to version 0.18
This version brings a few fixes for the extern checks, and a couple of
new checks.

Of note:
 - false is now recognised as a 0 assignment in static/external
   assignments,
 - printf format strings including %L are reported,
 - a number of fixes for the extern in .c file detector which had
   temporarily lost its ability to detect variables; undetected due to
   the loss of its test.

Andy Whitcroft (8):
      Version: 0.18
      false should trip 0 assignment checks
      tests: reinstate missing tests
      tests: allow specification of the file extension for a test
      fix extern checks for variables
      check for and report %Lu, %Ld, and %Li
      ensure we only start a statement on lines with some content
      extern spacing

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:05 -07:00
Andy Whitcroft 171ae1a491 update checkpatch.pl to version 0.17
This version brings improvements to external declaration detection, fixes to
quote tracking, fixes to unary tracking, some clarification of wording, and
the usual slew of fixes for false positives.

Of note:
 - much better unary tracking across preprocessor directives
 - UTF8 checks highlight the character at fault
 - widening of mutex detection

Andy Whitcroft (17):
      Version: 0.17
      values: __attribute__ carries through the previous type
      quotes: should only follow "positive" lines
      clarify the indent tabs over spaces wording
      loosen NR_CPUS check for array range initialisers
      detect external function declarations without an extern prefix
      function declaration arguments should be with the identifier
      DEFINE_MUTEX should report in line with struct mutex
      NR_CPUS is valid in preprocessor statements
      comment detection should not start on the @@ line
      types: add support for #undef
      tighten mutex/completion reports to usage
      allow export of function pointers
      values: preprocessor #define is out of line maintain values
      values: #define does not always have parentheses
      unary '*' may be const
      utf8 checks should report location of the invalid character

Wolfram Sang (1):
      make checkpatch.pl really skip <asm/irq.h>

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:05 -07:00
Joe Perches ee8900c9c7 scripts/Lindent: support gnu indent v2.2.10
The new version of indent supports positioning labels in column 1
using "-il0"

http://www.nabble.com/Release-2.2.10-of-GNU-Indent-td15990700.html

Add "-il0" if indent version >= 2.2.10

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:04 -07:00
Roman Zippel 5a1aa8a1af kconfig: add named choice group
As choice dependency are now fully checked, it's quite easy to add support
for named choices. This lifts the restriction that a choice value can only
appear once, although it still has to be within the same group,
but multiple choices can be joined by giving them a name.
While at it I cleaned up a little the choice type logic to simplify it a
bit.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-28 23:05:48 +02:00
Roman Zippel 4898117886 kconfig: fix choice dependency check
Properly check the dependency of choices as a group.
Also fix that sym_check_deps() correctly terminates the dependency loop
error check (otherwise it would continue printing the dependency chain).

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-28 23:04:57 +02:00
Felix Fietkau b5a5e4c732 kbuild: fix unportability in gen_initramfs_list.sh
On a Mac OS X machine the output of ls -l is different from a standard
Linux machine. Use readlink instead of parsing a hardcoded field number
from the ls output.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-28 22:50:51 +02:00
Roel Kluin 79d6e539df kconfig: reversed borderlines in inputbox
Fix reversal of dlg.border.atr and dlg.dialog.atr for draw_box()
Makes the inputbox look like expected

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-28 22:27:26 +02:00
Randy Dunlap 46b958eb80 kernel-doc: detect trailing kernel-doc line trash
Print a warning when a kernel-doc comment block ends with text on the same
line as the ending comment characters, e.g.:

 * this text is lost. */

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-28 08:58:48 -07:00
Randy Dunlap 94dc7ad550 kernel-doc: detect/prevent duplicate doc section names
I saw this problem recently.  With this kernel-doc:

 * Note: some important info
 *
 * Note: other important info

kernel-doc uses the "section name" (preceding the ':', like "Note") as a hash
key for storing the descriptive text ("blah important info").  It is (was)
possible to have duplicate (colliding) section names, without any kind of
warning or error.

kernel-doc happily used the latter descriptive text for all instances of
printing the <section-name> descriptive text and the former important info
was lost.

One way to "fix" this is to modify the kernel-doc comments, e.g.:

 * Note1: foo bar
 *
 * Note.2: blah zay

For now, kernel-doc will signal an error when it sees colliding section names
like this.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-28 08:58:48 -07:00
Adrian Bunk f5093913c0 kbuild: scripts/Makefile.modpost typo fix
-EVIUSER  ;-)

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-26 21:08:25 +02:00
Sam Ravnborg 2fa3656829 kbuild: soften MODULE_LICENSE check
Only modules that has other MODULE_* content
shall have the MODULE_LICENSE() tag.

This fixes allmodconfig build on my box.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-26 21:07:26 +02:00
Linus Torvalds 37b05b1798 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (120 commits)
  usb: don't update devnum for wusb devices
  wusb: make ep0_reinit available for modules
  wusb: devices dont use a set address
  wusb: teach choose_address() about wireless devices
  wusb: add link wusb-usb device
  wusb: add authenticathed bit to usb_dev
  USB: remove unnecessary type casting of urb->context
  usb serial: more fixes and groundwork for tty changes
  USB: replace remaining __FUNCTION__ occurrences
  USB: usbfs: export the URB_NO_INTERRUPT flag to userspace
  USB: fix compile problems in ehci-hcd
  USB: ehci: qh_completions cleanup and bugfix
  USB: cdc-acm: signedness fix
  USB: add documentation about callbacks
  USB: don't explicitly reenable root-hub status interrupts
  USB: OHCI: turn off RD when remote wakeup is disabled
  USB: HCDs use the do_remote_wakeup flag
  USB: g_file_storage: ignore bulk-out data after invalid CBW
  USB: serial: remove endpoints setting checks from core and header
  USB: serial: remove unneeded number endpoints settings
  ...
2008-04-25 12:40:57 -07:00
Sam Ravnborg 4217516e52 kconfig: fix broken target update-po-config
Massimo Maiurana reported:
In the latest kernel "make update-po-config" fails because it tries
to open arch/Kconfig/Kconfig, since the ls command doesn't
distinguish between files and directories.

Cc: Massimo Maiurana <maiurana@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-25 21:15:41 +02:00
Richard Hacker 0d96fb20b7 kbuild: Add new Kbuild variable KBUILD_EXTRA_SYMBOLS
This patch adds a new (Kbuild) Makefile variable KBUILD_EXTRA_SYMBOLS.
The space separated list of file names assigned to KBUILD_EXTRA_SYMBOLS
is used when calling scripts/mod/modpost during stage 2 of the Kbuild
process for non-kernel-tree modules.

Signed-off-by: Richard Hacker <lerichi@gmx.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-25 20:45:26 +02:00
Richard Hacker 2d04b5ae1b kbuild: support loading extra symbols in modpost
This patch adds a new command line option -E to modpost, expecting a symbol
file as an argument which is read prior to symbol processing. -E can be
supplied multiple times for as many files as is needed.

When building kernel modules that depend on other modules not in the main
kernel tree, modpost complains about undefined symbols:
# make -C /path/to/linux/kernel M=/path/to/my/module
...
Building modules, stage 2.
....
WARNING: "rt_copy_buf" [/home/rich/osc_etl_rtw/osc_kmod.ko] undefined!
...etc

This situation occurs when modpost processes the new module's symbols. When
it finds symbols not exported by the mainline kernel, it issues this warning.

The patch adds a new command line option -e to modpost which expects a symbol
file as an argument. The symbols listed in this file are added to modpost's
symbol tables during startup. -e can be supplied as often as required.

This patch works together with the second patch. It introduces a new make
variable, KBUILD_EXTRA_SYMBOLS, which is used when calling modpost.

Signed-off-by: Richard Hacker <lerichi@gmx.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-25 20:35:47 +02:00
Robert P. J. Day 3156fd0529 kbuild: fix some minor typoes
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-04-25 20:18:48 +02:00
Sam Ravnborg eed7d2798c kbuild: error out on missing MODULE_LICENSE
Adrian Bunk suggested a build time check for
missing MODULE_LICENSE annotation in modules.
The build time check is fatal as we really
want this fixed for all modules.
In-tree modules should all have been fixed up by now.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Adrian Bunk <bunk@kernel.org>
2008-04-25 20:13:30 +02:00
Greg Kroah-Hartman c2010a3b9e checkpatch: usb_free_urb() can take NULL
usb_free_urb() can take a NULL, so let's check and warn about that.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-04-24 21:16:33 -07:00
Kay Sievers 0c81eed4b9 PNP: add all PNP card device id's as individual aliases
The current PNP combined card + devices module aliase can
never ever match anything, because these values are not available
all at the same time to request a module.

Instead of adding the combined alias, we add the device id's
all as individual aliases. Device id's are exported by the PNP
bus and can now properly used to request the loading of a
matching module.

The module snd-sbawe currently exports aliases, which can never
match anything:
  alias: pnp:cCTLXXXXdCTL0045dCTL0022*
  alias: pnp:cCTLXXXXdCTL0044dCTL0023*
  alias: pnp:cCTLXXXXdCTL0042dCTL0022*
  alias: pnp:cCTLXXXXdCTL0041dCTL0021*
  alias: pnp:cCTLXXXXdCTL0031dCTL0021*
  alias: pnp:cCTL00eddCTL0041dCTL0070*
  alias: pnp:cCTL00e9dCTL0045dCTL0022*
  alias: pnp:cCTL00e4dCTL0045dCTL0022*
  alias: pnp:cCTL00c7dCTL0045dCTL0022*
  alias: pnp:cCTL00c5dCTL0045dCTL0022*
  alias: pnp:cCTL00c3dCTL0045dCTL0022*
  alias: pnp:cCTL00c1dCTL0042dCTL0022*
  alias: pnp:cCTL00b2dCTL0044dCTL0023*
  alias: pnp:cCTL009edCTL0044dCTL0023*
  alias: pnp:cCTL009ddCTL0042dCTL0022*
  alias: pnp:cCTL009fdCTL0041dCTL0021*
  alias: pnp:cCTL009cdCTL0041dCTL0021*
  alias: pnp:cCTL009adCTL0041dCTL0021*
  alias: pnp:cCTL0054dCTL0031dCTL0021*
  alias: pnp:cCTL0048dCTL0031dCTL0021*
  alias: pnp:cCTL0047dCTL0031dCTL0021*
  alias: pnp:cCTL0046dCTL0031dCTL0021*
  alias: pnp:cCTL0045dCTL0031dCTL0021*
  alias: pnp:cCTL0044dCTL0031dCTL0021*
  alias: pnp:cCTL0043dCTL0031dCTL0021*
  alias: pnp:cCTL0042dCTL0031dCTL0021*
  alias: pnp:cCTL0039dCTL0031dCTL0021*
  alias: pnp:cCTL0035dCTL0031dCTL0021*

With this patch it exports only the device id's, as properly
matchable aliases:
  alias: pnp:dCTL0070*
  alias: pnp:dCTL0045*
  alias: pnp:dCTL0023*
  alias: pnp:dCTL0044*
  alias: pnp:dCTL0022*
  alias: pnp:dCTL0042*
  alias: pnp:dCTL0041*
  alias: pnp:dCTL0021*
  alias: pnp:dCTL0031*

Now, the exported value of the PNP bus can be used to autoload
a matching module:
  $ modprobe --first-time -n -v pnp:dCTL0045
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/core/snd-rawmidi.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/drivers/mpu401/snd-mpu401-uart.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/core/snd-hwdep.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/isa/sb/snd-sb-common.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/isa/sb/snd-sb16-csp.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/isa/sb/snd-sb16-dsp.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/drivers/opl3/snd-opl3-lib.ko
  insmod /lib/modules/2.6.24-rc6-g5b825ed2-dirty/kernel/sound/isa/sb/snd-sbawe.ko

  $ grep CTL0045 /sys/bus/pnp/devices/*/id
  /sys/bus/pnp/devices/01:01.00/id:CTL0045

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-04-19 19:10:22 -07:00
Andy Whitcroft 773647a09a update checkpatch.pl to version 0.16
This version brings proper quote tracking across lines, and brings the
handling of comments into the same mechanism ensuring nesting is correctly
handled.  It brings the usual flurry of fixes for false positives.  It also
brings a number of new checks.  The most contentious change will likely be
the checks for NR_CPUS as this throws some new warnings in kernel/sched.c.

Of note:
 - all new quote tracking across lines
 - all new comment tracking
 - new more direct, less ambigious wording for some warnings
 - recommends mutexes and completions over semaphores
 - recommends strict_strto* over simple_strto*
 - report on direct use of NR_CPUS

Andy Whitcroft (22):
      Version: 0.16
      string quote tracking should cross line boundaries
      check spacing round -> correctly across newlines
      checks for linux/ against asm/ include files should be warnings
      standardise on 'required' and 'prohibited'
      take the first end of condition when parsing statements
      values: cope with unbalanced brackets
      preprocessor #elif is not a function
      preprocessor #if should not trigger trailing statement checks
      test: allow us to limit output to a single error
      recommend real mutexes over semaphores
      asm checks should mirror those for __asm__
      warn on semaphores being used in place of completions
      trailing ; on control structure should ignore do {} while ();
      recommend strict_strtoX over simple_strtoX
      redo comment handling as a quote type
      use of NR_CPUS is normally wrong
      consistant spacing should only be about spaces
      if brace check suppression should only apply to the top-levels
      use tr/// to align spacing for operators
      move to using four parameter form of substr
      check and report modifications to include/asm

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-03-28 14:45:22 -07:00
Sam Ravnborg 4ce6efed48 kbuild: soften modpost checks when doing cross builds
The module alias support in the kernel have a consistency
check where it is checked that the size of a structure
in the kernel and on the build host are the same.
For cross builds this check does not make sense so detect
when we do cross builds and silently skip the check in these
situations.
This fixes a build bug for a wireless driver when cross building
for arm.

Acked-by: Michael Buesch <mb@bu3sch.de>
Tested-by: Gordon Farquharson <gordonfarquharson@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: stable@kernel.org
2008-03-23 21:38:54 +01:00
Randy Dunlap bd0e88e517 kernel-doc: set verbose mode via environment
Honor the environment variable "KBUILD_VERBOSE=1" (as set by make V=1) to
enable verbose mode in scripts/kernel-doc.  Useful for getting more info and
warnings from kernel-doc.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-03-13 13:11:43 -07:00
Andy Whitcroft cf655043d4 update checkpatch.pl to version 0.15
This version brings a number of minor fixes updating the type detector and
the unary tracker.  It also brings a few small fixes for false positives.
It also reverts the --file warning.  Of note:

 - limit CVS checks to added lines
 - improved type detections
 - fixes to the unary tracker

Andy Whitcroft (13):
      Version: 0.15
      EXPORT_SYMBOL checks need to accept array variables
      export checks must match DECLARE_foo and LIST_HEAD
      possible types: cleanup debugging missing line
      values: track values through preprocessor conditional paths
      typeof is actually a type
      possible types: detect definitions which cross lines
      values: include line numbers on value debug information
      values: ensure we find correctly record pending brackets
      values: simplify the brace history stack
      CVS keyword checks should only apply to added lines
      loosen spacing for comments
      allow braces for single statement blocks with multiline conditionals

Harvey Harrison (1):
      checkpatch: remove fastcall

Ingo Molnar (1):
      checkpatch.pl: revert wrong --file message

Uwe Kleine-Koenig (1):
      fix typo "goot" -> "good"

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Joel Schopp <jschopp@austin.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-03-04 16:35:09 -08:00
Richard Kennedy 00d6296145 kernel-doc: fix function-pointer-parameter parsing
When running "make htmldocs" I'm seeing some non-fatal perl errors caused
by trying to parse the callback function definitions in blk-core.c.

The errors are "Use of uninitialized value in concatenation (.)..."
in combination with:
Warning(linux-2.6.25-rc2/block/blk-core.c:1877): No description found for parameter ''

The function pointers are defined without a * i.e.
int (drv_callback)(struct request *)

The compiler is happy with them, but kernel-doc isn't.

This patch teaches create_parameterlist in kernel-doc to parse this type of
function pointer definition, but is it the right way to fix the problem ?
The problem only seems to occur in blk-core.c.

However with the patch applied, kernel-doc finds the correct parameter
description for the callback in blk_end_request_callback, which is doesn't
normally.

I thought it would be a bit odd to change to code to use the more normal
form of function pointers just to get the documentation to work, so I fixed
kernel-doc instead - even though this is teaching it to understand code
that might go away (The comment for blk_end_request_callback says that it
should not be used and will removed at some point).

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23 17:12:16 -08:00
Geert Uytterhoeven b1d2675a64 kbuild: fix reversed symbol name order in modpost
XXXINIT_TO_INIT and XXXEXIT_TO_EXIT warnings use the reversed symbol name order
in the suggestion, e.g.:

    WARNING: vmlinux.o(.meminit.text+0x36c): Section mismatch in reference from the function free_area_init_core() to the function .init.text:setup_usemap()
    The function __meminit free_area_init_core() references
    a function __init setup_usemap().
    If free_area_init_core is only used by setup_usemap then
    annotate free_area_init_core with a matching annotation.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-19 20:45:14 +01:00
Linus Torvalds 230b548c15 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
  kbuild: explain why DEBUG_SECTION_MISMATCH is UNDEFINED
  kbuild: fix building vmlinux.o
  kbuild: allow -fstack-protector to take effect
  kconfig: fix select in combination with default
2008-02-18 15:41:05 -08:00
Harvey Harrison 34ff8a52fa kernel-doc: remove fastcall
fastcall is gone from the tree, no need to adjust the function prototypes
anymore for this.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-14 20:58:04 -08:00
Mathieu Desnoyers b2e3e658b3 Linux Kernel Markers: create modpost file
This adds some new magic in the MODPOST phase for CONFIG_MARKERS.  Analogous
to the Module.symvers file, the build will now write a Module.markers file
when CONFIG_MARKERS=y is set.  This file lists the name, defining module, and
format string of each marker, separated by \t characters.  This simple text
file can be used by offline build procedures for instrumentation code,
analogous to how System.map and Module.symvers can be useful to have for
kernels other than the one you are running right now.

The strings are made easy to extract by having the __trace_mark macro define
the name and format together in a single array called __mstrtab_* in the
__markers_strings section.  This is straightforward and reliable as long as
the marker structs are always defined by this macro.  It is an unreasonable
amount of hairy work to extract the string pointers from the __markers section
structs, which entails handling a relocation type for every machine under the
sun.

Mathieu :
- Ran through checkpatch.pl

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: David Smith <dsmith@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:20 -08:00
Roman Zippel 587c90616a kconfig: fix select in combination with default
> The attached .config (with current -git) results in a compile
> error since it contains:
>
> CONFIG_X86=y
> # CONFIG_EMBEDDED is not set
> CONFIG_SERIO=m
> CONFIG_SERIO_I8042=y
>
> Looking at drivers/input/serio/Kconfig I simply don't get how this
> can happen.

You've hit the rather subtle rules of select vs default. What happened is
that SERIO is selected to m, but SERIO_I8042 isn't selected so the default
of y is used instead.
We already had the problem in the past that select and default don't work
well together, so this patch cleans this up and makes the rule hopefully
more straightforward. Basically now the value is calculated like this:

	(value && dependency) || select

where the value is the user choice (if available and the symbol is
visible) or default.

In this case it means SERIO and SERIO_I8042 are both set to y due to their
default and if SERIO didn't had the default, then the SERIO_I8042 value
would be limited to m due to the dependency.

I tested this patch with more 10000 random configs and above case is the
only the difference that showed up, so I hope there is nothing that
depended on the old more complex and subtle rules.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Tested-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-13 22:30:09 +01:00
Sam Ravnborg fab1e310d3 kbuild: fix make V=1
When make -s support were added to filechk to
combination created with make V=1 were not
covered.
Fix it by explicitly cover this case too.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Mike Frysinger <vapier@gentoo.org>
2008-02-11 17:43:54 +01:00
Michal Sojka ed2c9fa53b Kbuild: Fix deb-pkg target to work with kernel versions ending with -<text-without-digit>
If CONIFIG_LOCALVERSION is set for example to -loop, the following error
message was generated.

dpkg-deb - error: Debian revision (`loop') doesn't contain any digits
dpkg-deb: 1 errors in control file

The patch solves this by adding a numeric revision to package version.

Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09 10:51:47 +01:00
Mike Frysinger d75f4c683f kbuild: silence CHK/UPD messages according to $(quiet)
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09 10:43:58 +01:00
Geert Uytterhoeven 7c0ac495e3 kbuild/modpost: Use warn() for announcing section mismatches
modpost: Use warn() for announcing section mismatches, for easy grepping for
warnings in build logs.

Also change an existing call from fprintf() to warn() while we're at it.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09 10:43:58 +01:00
Uwe Kleine-König ff739b611f Add binoffset to gitignore
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09 10:43:58 +01:00
Sam Ravnborg f666751a0a kbuild/modpost: improve warnings if symbol is unknown
If we cannot determine the symbol then print
(unknown) to hint the reader that we failed to
find the symbol.
This happens with REL relocation records
in arm object files.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-09 10:43:58 +01:00
Andy Whitcroft 13214adf73 update checkpatch.pl to version 0.14
This version brings the remainder of the queued fixes.  A number of fixes
for items missed reported by Andrew Morton and others.  Also a handful
of new checks and fixes for false positives.  Of note:

 - new warning associated with --file to try and avoid cleanup only patches,
 - corrected handling of completly empty files,
 - corrected report handling with multiple files,
 - handling of possible types in the face of multiple declarations,
 - detection of unnessary braces on complex if statements (where present), and
 - all new comment spacing handling.

Andi Kleen (1):
      Introduce a warning when --file mode is used

Andy Whitcroft (14):
      Version: 0.14
      clean up some space violations in checkpatch.pl
      a completly empty file should not provoke a whinge
      reset report lines buffers between files
      unary ++/-- may abutt close braces
      __typeof__ is also unary
      comments: revamp comment handling
      add --summary-file option adding filename to summary line
      trailing backslashes are not trailing statements
      handle operators passed as parameters such as to ASSERTCMP
      possible types -- enhance debugging
      check for boolean operations with constants
      possible types: handle multiple declarations
      detect and report if statements where all branches are single statements

Arjan van de Ven (1):
      quiet option should not print the summary on no errors

Bartlomiej Zolnierkiewicz (1):
      warn about using __FUNCTION__

Timur Tabi (1):
      loosen spacing checks for __asm__

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-08 09:22:42 -08:00
Andy Whitcroft c2fdda0dfb update checkpatch.pl to version 0.13
This version brings a large number of fixes which have built up over
the Christmas period.  Mostly these are fixes for false positives, both
through improvments to unary checks and possible type detection.  It
also brings new checks for while location and CVS keywords.  Of note:

  - a number of fixes to unary detection
  - detection of a number of new forms of types to improve type matching
  - better inline handling
  - recognision of '%' as an operator

Andy Whitcroft (28):
      Version: 0.13
      unary detection: maintain bracket state across lines
      move to pre-sanitising the entire file
      the text of a #error statement should be treated like it is in quotes
      line sanitisation needs to target double backslash correctly
      tighten comment guestimation for lines starting ' * '
      debug: add a debug framework
      prevent unclosed single quotes from spreading
      add % as an operator
      the text of a #warning statement should be treated like it is in quotes
      possible matching applies in typedefs
      single statement block checks must not trigger when two or more statements
      possible types: local variables may also be const
      treat inline as a type attribute to even when out of place
      possible types: sparse annotations are valid indicators
      possible types: beef up the possible type testing
      check for hanging while statements on the wrong line
      utf8 checks need to occur against the raw lines
      function brace checks should use any whitespece matches
      comments should take up space in the line when sanitised
      remove debugging from if assignment checks
      possible types -- ensure we detect all pointer casts
      fix tests for function spacing in the presence of #define
      clean up the UTF-8 error message to be clearer
      test-lib: invert the status report, output success counts
      detect and report CVS keywords
      tests: break out tests
      Add $Id$ to the CVS keyword checks

Benny Halevy (1):
      checkpatch.pl: recognize the #elif preprocessor directive

Geert Uytterhoeven (1):
      print the filenames of patches where available

Mauro Carvalho Chehab (1):
      Fix missing \n in checkpatch.pl

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-08 09:22:36 -08:00
Randy Dunlap 77cc23b8c7 kernel-doc: warn on badly formatted short description
Make kernel-doc warn when a function/struct/union/typedef does not contain
a properly formatted short description, such as:
 * scsi_devinfo: set up the dynamic device list
or
 * scsi_devinfo -

This warning is only generated when verbose (-v) mode is used.

Also explain the -v command line option in the -h output.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07 08:42:17 -08:00
Randy Dunlap 792aa2f2cc kernel-doc: prevent duplicate description: output
Prevent duplicate output of a Description: section when there is a "blank"
("*") line between the initial function name/description line and the
"Description:" header.

Test case:  drivers/scsi/scsi_devinfo.c::scsi_init_devinfo().

Rob Landley hit this while he was producing SCSI kernel-doc.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07 08:42:17 -08:00
Randy Dunlap 94b3e03c87 kernel-doc: fix for vunmap function prototype
Fix kernel-doc function prototype parsing which was exposed by vunmap() by
allowing more than one '*' before the function name.

Error(linux-2.6.24-mm1//mm/vmalloc.c:438): cannot understand prototype: 'struct page **vunmap(const void *addr) '

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-07 08:42:16 -08:00
Joern Engel 2b54aaef7a Claim maintainership for block2mtd and update email addresses
I have been prime author and maintainer of block2mtd from day one, but
neither MAINTAINERS nor the module source makes this fact clear.  And while
I'm at it, update my email addresses tree-wide, as the old address
currently bounces and change my name to "joern" as unicode will likely
continue to cause trouble until the end of this century.

Signed-off-by: Joern Engel <joern@lazybastard.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06 10:41:09 -08:00
Paulo Marques f2df3f65d0 kallsyms should prefer non weak symbols
When resolving symbol names from addresses with aliased symbol names,
kallsyms_lookup always returns the first symbol, even if it is a weak
symbol.

This patch changes this by sorting the symbols with the weak symbols last
before feeding them to the kernel.  This way the kernel runtime isn't
changed at all, only the kallsyms build system is changed.

Another side effect is that the symbols get sorted by address, too.  So,
even if future binutils version have some bug in "nm" that makes it fail to
correctly sort symbols by address, the kernel won't be affected by this.

Mathieu says:

  I created a module in LTTng that uses kallsyms to get the symbol
  corresponding to a specific system call address.  Unfortunately, all the
  unimplemented syscalls were all referring to the (same) weak symbol
  identifying an unrelated system call rather that sys_ni (or whatever
  non-weak symbol would be expected).  Kallsyms was dumbly returning the first
  symbol that matched.

  This patch makes sure kallsyms returns the non-weak symbol when there is
  one, which seems to be the expected result.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Looks-great-to: Rusty Russell <rusty@rustcorp.com.au>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06 10:41:07 -08:00
Robin Getz a3b81113fb remove support for un-needed _extratext section
When passing a zero address to kallsyms_lookup(), the kernel thought it was
a valid kernel address, even if it is not.  This is because is_ksym_addr()
called is_kernel_extratext() and checked against labels that don't exist on
many archs (which default as zero).  Since PPC was the only kernel which
defines _extra_text, (in 2005), and no longer needs it, this patch removes
_extra_text support.

For some history (provided by Jon):
 http://ozlabs.org/pipermail/linuxppc-dev/2005-September/019734.html
 http://ozlabs.org/pipermail/linuxppc-dev/2005-September/019736.html
 http://ozlabs.org/pipermail/linuxppc-dev/2005-September/019751.html

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jon Loeliger <jdl@freescale.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-06 10:41:01 -08:00
Bryan Wu ba3d05fb63 kbuild: add svn revision information to setlocalversion
follow git and mercurial style, include uncommitted changes detect

Cc: Frans Pop <elendil@planet.nl>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-03 08:59:50 +01:00
Sam Ravnborg fa95eb1f17 kbuild: do not warn about __*init/__*exit symbols being exported
We have several legitimate uses where we export symbols
annotated with one of:
__devinit, __cpuinit, __meminit and their exit counterpart.
So let's stop warning about those being exported in favour
of adding all sorts of workaround to silence the warning.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-03 08:58:08 +01:00
Sam Ravnborg 603d49885e kconfig: ignore select of unknown symbol
We have had warnings for a long time about select of unknow symbol
but the warnings does not really makes sense since we may
select a symbol that is relevant and defined in one
arch but not in another arch.
And as long as we do not use a common set of Kconfig files
for all archs lets just ignore this case.

Previously we have used this to find bad uses of
select but we need a more relaible method to do so.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
2008-02-03 08:58:07 +01:00
Sam Ravnborg 36ef805bd5 kconfig: mark config as changed when loading an alternate config
Michal Zachar <mgzachar@mail.t-com.sk> reported that
menuconfig did not save the new config when loading
an alternate config unless he altered it manually.

Mark config as changed upon load of alternate config fixed this.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Roman Zippel <zippel@linux-m68k.org>
2008-02-03 08:58:07 +01:00
Sam Ravnborg e5f95c8b77 kbuild: print only total number of section mismatces found
We have too many section mismatches detected at the moment.
So silence modpost and prevent the option from being
set in a typical allyesconfig build.

Tell the user how to see all the deteils in the summary
message from modpost.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-02-03 08:58:07 +01:00