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Kumar Gala <galak@kernel.crashing.org> wrote:
We have a case in powerpc in which we want to link some library
routines with all module objects. The routines are intended for
handling out-of-line function call register save/restore so having
them as EXPORT_SYMBOL() is counter productive (we do also need to
link the same "library" code into the kernel).
Without this patch a powerpc build would error out and fail
to build modules with the added register save/restore module.
There were two obvious solutions:
1) To link the .o file before the modpost stage
2) To ignore the symbols in modpost
Option 1) was ruled out because we do not have any separate
linking stage for single file modules.
This patch implements option 2 - and do so only for powerpc.
The symbols we ignore are all undefined symbols named:
_restgpr_*, _savegpr_*, _rest32gpr_*, _save32gpr_*
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
This version is a bit of a whopper. This version brings a few new checks,
improvements to a number of checks mostly through modifications to the
way types are parsed, several fixes to quote/comment handling, as well as
the usual slew of fixes for false positives.
Of note:
- return is not a function and is now reported,
- preprocessor directive detection is loosened to match C99 standard,
- we now intuit new type modifiers, and
- comment handling is much improved
Andy Whitcroft (18):
Version: 0.19
fix up a couple of missing newlines in reports
colon to parenthesis spacing varies on asm
values: #include is a preprocessor statement
quotes: fix single character quotes at line end
add typedef exception for the non-pointer "function types"
kerneldoc parameters must be on one line, relax line length
types: word boundary is not always required
improved #define bracketing reports
uninitialized_var is an annotation not a function name
possible types: add possible modifier handling
possible types: fastcall is a type modifier
types: unsigned is not a modifier on all types
static/external initialisation to zero should allow modifiers
checkpatch: fix recognition of preprocessor directives -- part 2
comments: fix inter-hunk comment tracking
return is not a function
do not report include/asm/foo.h use in include/linux/foo.h
return is not a function -- tighten test
[jengelh@computergmbh.de: fix recognition of preprocessor directives]
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When we introduced support for KBUILD_EXTRA_SYMBOLS
we started to include the externam module's kbuild
file when doing the final modpost step.
As external modules often do:
ccflags-y := -I$(src)
We had problems because $(src) was unassinged and
gcc then used the next parameter for -I resulting in
strange build failures.
Fix is to assign $(src) and $(obj) when building
external modules.
This fixes: http://bugzilla.kernel.org/show_bug.cgi?id=10798
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Tvrtko <tvrtko.ursulin@sophos.com>
Cc: Andrea Arcangeli <andrea@qumranet.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
These magic greps and hacks in ver_linux to get the gcc version always break after some gcc releases.
Since now gcc >4.3 allows compiling with '--with-pkgversion' ( which can be everything 'My Cool Gcc' or something )
ver_linux will report random junk for these.
Simply use 'gcc -dumpversion' to get the gcc version which should always work.
Signed-off-by: Gabriel C <nix.or.die@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
1) The field 'len' of the 'gstr' structure seems to track the size of the memory
already allocated for the "growable string". So the value of this field should be
the same as the 'malloc()' just above, shouldn't it ?
Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Allow for unnamed bit-fields and skip them instead of printing an
erroneous warning message for them, such as:
Warning(include/asm-s390/cio.h:103): No description found for parameter 'u32'
which contains:
struct tm_scsw {
u32 :1;
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Andi Kleen <andi@firstfloor.org>
reported that he saw a lot of symbols like this:
0000000000000b24 N DW.aio.h.903a6d92.2
0000000000000bce N DW.task_io_accounting.h.8d8de327.0
0000000000000bec N DW.hrtimer.h.c23659c6.0
in his System.map / kallsyms output.
Simple solution is to skip all debugging
symbols (they are marked 'N').
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Paulo Marques <pmarques@grupopie.com>
Disable modpost warnings for linkonce sections
My build gives lots of warnings like
WARNING: sound/core/snd.o (.gnu.linkonce.wi.mpspec_def.h.30779716): unexpected section name.
The (.[number]+) following section name are ld generated and not expected.
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.
But for .linkonce. duplicated sections are actually ok and expected.
So just disable the warning for this case.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Not all device types need a wildcard at the end of their module
aliases. In particular, for i2c module aliases, the trailing wildcard
is not only unneeded, it could also cause the wrong driver to be
loaded.
As I2C devices have no IDs, i2c module aliases are simple, arbitrary
device names. For example:
$ /sbin/modinfo lm90
filename: /lib/modules/2.6.25-git18/kernel/drivers/hwmon/lm90.ko
author: Jean Delvare <khali@linux-fr.org>
description: LM90/ADM1032 driver
license: GPL
vermagic: 2.6.25-git18 mod_unload
depends: hwmon
alias: i2c:lm90*
alias: i2c:adm1032*
alias: i2c:lm99*
alias: i2c:lm86*
alias: i2c:max6657*
alias: i2c:adt7461*
alias: i2c:max6680*
$
This would cause trouble if one I2C chip name matches the beginning of
another I2C chip name and both chips are supported by different
drivers. For example, an i2c device named lm9042 would cause the lm90
driver to be loaded, while it doesn't support that device. This case
has yet to be seen in practice, but still, I'd like to fix it now. The
cleanest fix is to remove the trailing wildcard from i2c module aliases.
Here's a patch doing this.
Not all device type aliases need a trailing wildcard, in particular
the i2c aliases don't. Don't add a wildcard by default in do_table(),
instead let each device type handler add it if needed.
I have tested types acpi, dmi, eisa, i2c, ide, ieee1394, input, pci,
pcmcia, platform, pnp, scsi, serio, ssb and usb. Other types (ccw, of,
vio, parisc, sdio and virtio) are untested.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
OS-X shell did not like 'echo -e' so implement
suggestion from Al Viro to use a more portable construct.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-By: Timur Tabi <timur@freescale.com>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
* 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
...
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>
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>
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>
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>
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>
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>
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
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>
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>
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>
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>
* 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
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>
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>
> 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>
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>
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>
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>
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>
