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-EVIUSER ;-)
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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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>
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* 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
...
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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>
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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>
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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>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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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>
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usb_free_urb() can take a NULL, so let's check and warn about that.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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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>
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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>
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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
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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>
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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>
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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>
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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>
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* 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
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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>
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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>
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> 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>
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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>
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-<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>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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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>
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Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Some crazy devices in the wild have a vendor id of 0x0000. If we try to
add a module alias with this id, we just can't do it due to a check in
the file2alias.c file. Change the test to verify that both the vendor
and product ids are 0x0000 to show a real "blank" module alias.
Note, the module-init-tools package also needs to be changed to properly
generate the depmod tables.
Cc: Janusz <janumix@poczta.fm>
Cc: stable <stable@kernel.org>
Cc: Jon Masters <jcm@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If there is a mixture of specifying sections for code in gcc
and assembler then if the assembler code do not add
the "ax" flags the linker will see this as two different sections
and generate unique sections for each. ld does so by adding a dot
and a number.
Teach modpost to warn if a section shows up that match this
pattern - but do this only for non-debug sections.
It will result in warnings like this:
WARNING: vmlinux.o (.sched.text.1): 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.
All warnings seen with a defconfig build for:
x86 (32+64bit) and sparc64 has been fixed (via respective maintainers).
arm, powerpc (64 bit), s390 (32 bit), ia64, alpha, sh4 checked - no
warnings seen with a defconfig build.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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If the config option CONFIG_SECTION_MISMATCH is not set and
we see a Section mismatch present the following to the user:
modpost: Found 1 section mismatch(es).
To see additional details select "Enable full Section mismatch analysis"
in the Kernel Hacking menu (CONFIG_SECTION_MISMATCH).
If the option CONFIG_SECTION_MISMATCH is selected
then be verbose in the Section mismatch reporting from mdopost.
Sample outputs:
WARNING: o-x86_64/vmlinux.o(.text+0x7396): Section mismatch in reference from the function discover_ebda() to the variable .init.data:ebda_addr
The function discover_ebda() references
the variable __initdata ebda_addr.
This is often because discover_ebda lacks a __initdata
annotation or the annotation of ebda_addr is wrong.
WARNING: o-x86_64/vmlinux.o(.data+0x74d58): Section mismatch in reference from the variable pci_serial_quirks to the function .devexit.text:pci_plx9050_exit()
The variable pci_serial_quirks references
the function __devexit pci_plx9050_exit()
If the reference is valid then annotate the
variable with __exit* (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
WARNING: o-x86_64/vmlinux.o(__ksymtab+0x630): Section mismatch in reference from the variable __ksymtab_arch_register_cpu to the function .cpuinit.text:arch_register_cpu()
The symbol arch_register_cpu is exported and annotated __cpuinit
Fix this by removing the __cpuinit annotation of arch_register_cpu or drop the export.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Change kconfig behavior so that mixing bool and tristate config
settings in a choice is possible and has the desired effect of offering
just the tristate options individually if the choice gets set to M, and
a normal boolean selection if the choice gets set to Y.
Also fix scripts/kconfig/conf's handling of children of choice values -
there may be more than one immediate child, and all of them need to be
processed.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: "Roman Zippel" <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Remove the deprecated __attribute_used__.
[Introduce __section in a few places to silence checkpatch /sam]
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Signed-off-by: Daniel De Graaf <danieldegraaf@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Kconfig had a synonym "enable" for "select" that was neither documented
nor used.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Refactor code so the warning report function
does nothing else than reporting warnings.
As a side effect some other code paths were cleaned
up by this.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Introducing helpers to retreive symbol and section
names cleaned up the code a bit.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The typical layout is now:
WARNING: vmlinux.o(.text+0x372ec): Section mismatch: reference to .devinit.text:pci_scan_one_pbm in 'psycho_scan_bus'
This is first step towards more readable warnings.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Setting the option DEBUG_SECTION_MISMATCH will
report additional section mismatch'es but this
should in the end makes it possible to get rid of
all of them.
See help text in lib/Kconfig.debug for details.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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