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Normally generated values (Kconfig entries without a prompt) are cleared as
they are regenerated anyway and so they appear as new should they become
visible and defaults work as expected (once a value is set defaults aren't
used anymore).
The detection whether a value is generated or not is only based on its
visibility status, which can quickly change for a lot of symbols by just
removing a single line from .config or adding a dependency to Kconfig as you
noticed.
The patch now suppresses this logic when .config and Kconfig aren't in sync
and .config needs to be updated, so that you can remove now a random value
from .config and oldconfig won't reask for many other values.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Modify the ncurses configuration tool ('make menuconfig') in a way that the
user can enter the search string (/) both with or without the leading
'CONFIG_'.
This simplifies using copy & paste from .config files because you can
select the whole word.
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The sed expression used at the moment in scripts/Makefile.headersinst
relies on the (handy) GNU extension where you can escape ERE's in an
otherwise BRE without using the GNU -r option. The following patch
replaces this "\+" usage with a functionally equivalent POSIX BRE compliant
"\{1,\}". Tested with `make headers_install` against blackfin/x86_64/i386
targets.
Stupid whiny OS X users and their crappy sed ;)
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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This is needed on MIPS where the same mechanism as get_user() is used to
intercept bus error exceptions for some hardware probes. Without this
patch modpost will throw spurious warnings:
LD vmlinux
SYSMAP System.map
SYSMAP .tmp_System.map
MODPOST vmlinux
WARNING: arch/mips/sgi-ip22/built-in.o(__dbe_table+0x0): Section mismatch: reference to .init.text:
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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gcc puts data into .data.rel or .data.rel.* on some architectures (e.g.
ia64) or under certain conditions, so whatever is legal relative to
.data should also be legal for those other sections. Fixes a few
modpost warnings on ia64.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Previously we did do the check on the .o files used to link
vmlinux but that failed to find questionable references across
the .o files.
Create a dedicated vmlinux.o file used only for section mismatch checks
that uses the defualt linker script so section does not get renamed.
The vmlinux.o may later be used as part of the the final link of vmlinux
but for now it is used fo section mismatch only.
For a defconfig build this is instant but for an allyesconfig this
add two minutes to a full build (that anyways takes ~2 hours).
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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arm uses a lot of ops structures named *_timer that has legitimite
references to .init.text.
So let's add this variable to the list of variables that may reference
.init.text without causing any warning.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Replaced this with a __init_refok marker
in front of fb_find_logo().
I think that the __initdata marker for the logo's are
wrong but I have not justified this so I did not remove it.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Replace the hardcoded variable name apic_es7000 in modpost
with a __initdata_refok marker.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The .exit.text section may be discarded either at build or at runtime.
So let modpost warn if this situation is detected.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Move more checks from whitelist to the section check functions.
Remove the redundent pci_fixup check.
Renumber the patterns.
No functional changes.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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There were a great deal of overlap between the two functions
that check which sections may reference .init.text and .exit.text.
Factor out common check to a separate function and
sort entries in the original functions.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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.note* sections are ELF notes, which are typically used by external
tools to examine the kernel image. Since this is removed from any
runtime consideration, it's OK to reference any section from a .note*
section.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The .paravirtprobe section is obsolete, so modpost doesn't need to handle it.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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used by powerpc
We should do better here by effetively "dereferencing" references to
the .toc (or the .got2) section, but that is much harder.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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With this change we can find more symbols hereby improving
the readability of the warnings.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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On i386 and MIPS, warn_sec_mismatch() sometimes fails to show
usefull symbol name. This is because empty 'refsym' due to 0 r_addend
value. This patch is to adjust r_addend value, consulting with
apply_relocate() routine in kernel code.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Massimo Maiurana <maiurana@gmail.com> reported that
update-po-config was broken:
1) spelling errors in Makefile so arch/um failed
2) UTF-8 was not supported
The following patch address the above problems.
kxgettext now append the output to the .pot file
generated by xgettext - so we have a header.
In all places UFT-8 is specifed so we now flawlessly
support UTF-8.
The Kconfig files had an empty string in a few cases -
these are now supressed in kxgettext.
With this the translators can now pick up where they left
and get it all translated.
There are ~11000 strings to be translated...
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Massimo Maiurana <maiurana@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
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Sometimes it is useful to squash all uid's/gid's to 0:0 regardless of
current owner. For example, in build systems that get run as arbitrary
users (uClinux-dist). This adds a special "squash" keyword so you can do
'-g squash -u squash' and have ownership squashed to root.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The "==" operator is not in POSIX, so use -eq instead.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Make the "cleanfile" and "cleanpatch" script warn about long lines,
by default lines whose visual width exceeds 79 characters.
Per suggestion from Auke Kok.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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A few of the variables used by kbuild has fixed naming.
Make sure we do not pick up random values from the environment.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Prints a six-digit string including the GCC patchlevel. Also fix
the 'usage' comment for cc-version.
Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Add info that the Code: bytes line contains <xy> or (wxyz) in some
architecture oops reports and what that means.
Add a script by Andi Kleen that reads the Code: line from an Oops report
file and generates assembly code from the hex bytes.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
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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This version brings a number of new checks, fixes for flase
positives, plus a clarification of the output to better guide use. Of
note:
- checks for documentation for new __setup calls
- clearer reporting where braces and parenthesis are involved
- reports for closing brace and semi-colon spacing
- reports on unwanted externs
This patch includes an update to the documentation on checkpatch.pl
itself to clarify when it should be used and to indicate that it
is not intended as the final arbitor of style.
Full changelog:
Andy Whitcroft (19):
Version: 0.07
ensure we do not apply control brace checks to preprocesor directives
add {u,s}{8,16,32,64} to the type matcher
accept lack of spacing after the semicolons in for (;;)
report new externs in .c files
fix up typedef exclusion for function prototypes
else trailing statements check need to account for \ at end of line
add enums to the type matcher
add missing check descriptions
suppress double reporting of ** spacing
report on do{ spacing issues
include an example of the brace/parenthesis in output
check for spacing after closing braces
prevent double reports on pointer spacing issues
handle blank continuation lines on macros
classify all reports error, warning, or check
revamp hanging { checks and apply in context
no spaces after the last ; in a for is ok
check __setup has a corresponding addition to documentation
David Woodhouse (1):
limit character set used in patches and descriptions to UTF-8
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A bug in headers_install for ARCH=x86_64 yields an asm/ directory full of
files all of which are using the same #ifdef guard, "__ASM_STUB_" with no
postfix. So the second and later asm files #included in the same C file
(often through standard headers like ioctl.h) yields no symbols.
Strangeness with the Ubuntu 'tell me if I support something that's not
explcitly mentioned in POSIX, and I'll strip it out' shell, I believe.
We don't need the 'export' but we do need a semicolon at the end of the
FNAME line:
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Not all the world is an i386. Many architectures need 64-bit arguments to be
aligned in suitable pairs of registers, and the original
sys_sync_file_range(int, loff_t, loff_t, int) was therefore wasting an
argument register for padding after the first integer. Since we don't
normally have more than 6 arguments for system calls, that left no room for
the final argument on some architectures.
Fix this by introducing sys_sync_file_range2(int, int, loff_t, loff_t) which
all fits nicely. In fact, ARM already had that, but called it
sys_arm_sync_file_range. Move it to fs/sync.c and rename it, then implement
the needed compatibility routine. And stop the missing syscall check from
bitching about the absence of sys_sync_file_range() if we've implemented
sys_sync_file_range2() instead.
Tested on PPC32 and with 32-bit and 64-bit userspace on PPC64.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update to checkpatch.pl v0.06. Of note:
- do { and else handled correctly as control structures for { matching
- trailing whitespace correctly tripped when line otherwise empty
- support for const, including const foo * const bar
- multiline macros defining values correctly reported
This version of checkpatch.pl can be found at the following URL:
http://www.kernel.org/pub/linux/kernel/people/apw/checkpatch/checkpatch.pl-0.06
Full Changelog:
Andy Whitcroft (14):
Version: 0.06
cleanup the Type regular expression declarations
fix up block counting
end of line counts as a space for ++ and --
do { needs the same checks as if, for et al
handle "const foo * const a" as a valid type
add spacing checks following ;
complete whitespace lines should trip trailing whitespace check
else is also a block control structure
badly formatted else can trip function declaration
detect and report trailing statements after else
types need to be terminated by a boundary
multiline macros defining values should be surrounded by parentheses
soften the wording of the Signed-off-by: warnings
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
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 some new tests, and a host of changes to fix
false positives, of particular note:
- detect 'var ++;' and 'var --;' as a bad combination
- multistatement #defines are now checked based on statement count
- multistatement #defines with initialisation correctly reported
- checks the location of the inline keywords
- EXPORT_SYMBOL for variables are now understood
- typedefs are loosened to handle sparse etc
This version of checkpatch.pl can be found at the following URL:
http://www.shadowen.org/~apw/public/checkpatch/checkpatch.pl-0.05
Full Changelog:
Andy Whitcroft (18):
Version: 0.05
macro definition checks should be for a single statement
avoid assignements only in if conditionals
declarations of function pointers need no space
multiline macros which are purely initialisation cannot be wrapped
EXPORT_SYMBOL can also directly follow a variable definition
check on the location of the inline keyword
EXPORT_SYMBOL needs to allow for attributes
ensure we do not find C99 // in strings
handle malformed #include lines
accept the {0,} form
typedefs are sensible for defining function pointer parameters
ensure { handling correctly handles nested switch() statements
trailing whitespace checks are not anchored
typedefs for sparse bitwise annotations make sense
update the type matcher to include sparse annotations
clean up indent and spacing
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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There's a special .cranges section that is almost always generated,
with data being moved to the appropriate section by the linker at a later
stage.
To give a bit of background, sh64 has both a native SHmedia instruction
set (32-bit instructions) and SHcompact (which is compatability with
normal SH -- 16-bit, a massively reduced register set, etc.). code ranges
are emitted when we're using the 32-bit ABI, but not the 64-bit one.
It is a special staging section used solely by binutils where code with
different flags get placed (more specifically differing flags for input
and output sections), before being lazily merged by the linker.
The closest I've been able to find to documentation is:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/ld/emultempl/sh64elf.em?rev=1.10&content-type=text/x-cvsweb-markup&cvsroot=src
It's an array of 8-byte Elf32_CRange structure given in
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/bfd/elf32-sh64.h?rev=1.4&content-type=text/x-cvsweb-markup&cvsroot=src
that describes for which ISA a range is used.
Silence the warnings by allowing references from .init.text to .cranges.
The following warnings are fixed:
WARNING: init/built-in.o(.cranges+0x0): Section mismatch: reference to .init.text:
WARNING: init/built-in.o(.cranges+0xa): Section mismatch: reference to .init.text:
WARNING: init/built-in.o(.cranges+0x14): Section mismatch: reference to .init.text:
WARNING: init/built-in.o(.cranges+0x1e): Section mismatch: reference to .init.text:
WARNING: init/built-in.o(.cranges+0x28): Section mismatch: reference to .init.text:
WARNING: init/built-in.o(.cranges+0x32): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x50): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x5a): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x64): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0xfa): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x104): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x10e): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x14a): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x154): Section mismatch: reference to .init.text:
WARNING: kernel/built-in.o(.cranges+0x15e): Section mismatch: reference to .init.text:
WARNING: mm/built-in.o(.cranges+0x6e): Section mismatch: reference to .init.text:
WARNING: mm/built-in.o(.cranges+0x78): Section mismatch: reference to .init.text:
WARNING: mm/built-in.o(.cranges+0x82): Section mismatch: reference to .init.text:
WARNING: mm/built-in.o(.cranges+0xaa): Section mismatch: reference to .init.text:
WARNING: fs/built-in.o(.cranges+0x136): Section mismatch: reference to .init.text:
WARNING: fs/built-in.o(.cranges+0x140): Section mismatch: reference to .init.text:
WARNING: fs/built-in.o(.cranges+0x14a): Section mismatch: reference to .init.text:
WARNING: fs/built-in.o(.cranges+0x168): Section mismatch: reference to .init.text:
WARNING: fs/built-in.o(.cranges+0x1f4): Section mismatch: reference to .init.text:
WARNING: fs/built-in.o(.cranges+0x1fe): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x302): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x30c): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x316): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x3a2): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x3ac): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x4ce): Section mismatch: reference to .init.text:
WARNING: net/built-in.o(.cranges+0x4d8): Section mismatch: reference to .init.text:
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: Kaz Kojima <kkojima@rr.iij4u.or.jp>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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This version brings a some new tests, and a host of changes to fix
false positives, of particular note:
- check for and report #if 0
- extend checking of line lengths and spacing for .pl, .sh etc
- extends the pointer type checks to multiple levels
- updates printk handling to track newlines
- adds a wrapped patch detector
- drops the leading component of the filenames
- extends switch indent handling to switch statmentes rooted in
the context
- adds foo * bar single pointer checks
This version of checkpatch.pl can be found at the following URL:
http://www.shadowen.org/~apw/public/checkpatch/checkpatch.pl-0.04
Full Changelog:
Andy Whitcroft (16):
allow checking line lengths and spacing on other source files
clean up that whitespace
sanitise the input line standardising the content of quotes
clean up pointer type * and space checks
fix up the sanitiser so it maintains the line length
apply the printk facility checks only to the first printk in a set
switch/case indent checks may anchor in the context
add a wrapped patch detector
put the #ifdef in C file checks on ice
asm volatile is acceptable
check for and report #if 0
drop the leading component of the filename as patches are -p1
use the original line when reporting operator errors
correct spelling of Joel's name
Version: 0.04
add support for struct foo * bar checks
Geert Uytterhoeven (1):
Fix checkpatch.pl name in usage template
Randy Dunlap (1):
checkpatch: produce fewer lines of output
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Produce one less line of output per flagged incident.
Change this:
use tabs not spaces
PATCH: /home/rddunlap/arcmsr1200014.patch4:756:
FILE: b/drivers/scsi/arcmsr/arcmsr_hba.c:1843:
+ return PCI_ERS_RESULT_NEED_RESET;$
to this:
use tabs not spaces
#756: FILE: b/drivers/scsi/arcmsr/arcmsr_hba.c:1843:
+ return PCI_ERS_RESULT_NEED_RESET;$
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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This version brings a host of changes to cure false positives and
bugs detected on patches submitted to lkml and -mm. It also brings
a number of new tests in response to reviews, of particular note:
- catch use of volatile
- allow deprecated functions to be listed in feature-removal-schedule.txt
- warn about #ifdef's in c files
- check that spinlock_t and struct mutex use is commented
- report on architecture specific defines being used
- report memory barriers without an associated comment
Full changelog:
catch use of volatile
convert other quoted string checks to common routine
alloc deprecated functions to be listed in feature-removal-schedule.txt
split out the line length and indent for each line
improve switch block handling
handle GNU diff context lines with no leading space
warn about #ifdef's in c files
tidy up tests for signed-off-by using raw mode
check that spinlock_t and struct mutex use is commented
syntax checks for open brace placement may drop off the bottom of hunk
report memory barriers without an associated comment
when a sign off is present but ugly do not report it missing
do not mistake bitfield definitions for indented labels
report on architecture specific defines being used
major update to the operator checks
prevent switch/if/while etc matching foo_switch
generify assignement in condition error message
introduce an operator context marker
Version: 0.03
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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scripts/checkpatch.pl should be executable, make it so.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joel Schopp <jschopp@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We are seeing increasing levels of minor patch style violations in submissions
to the mailing lists as well as making it into the tree. These detract from
the quality of the submission and cause unnessary work for reviewers.
As a first step package up the current state of the patch style checker and
include it in the kernel tree. Add instructions suggesting running it on
submissions. This adds version v0.01 of the checkpatch.pl script.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Joel Schopp <jschopp@austin.ibm.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This should make it stop immediately after printing the _helpful_ error
message, rather than continuing to spit out many pages more of 'CHECK
include/linux/foo.h' before eventually coming to a halt with something
less obvious.
Now I get this...
CHECK include/linux/smb_fs.h
/shiny/git/linux-2.6/usr/include/linux/smb_fs.h requires linux/jiffies.h, which does not exist in exported headers
make[2]: *** [/shiny/git/linux-2.6/usr/include/linux/.check.smb_fs.h] Error 1
make[1]: *** [linux] Error 2
make: *** [headers_check] Error 2
Signed-off-by-if-Sam-says-so: David Woodhouse <dwmw2@infradead.org>
[ Sam had better say so! This made me waste way too much time. - Linus]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit f892b7d480eec809a5dfbd6e65742b3f3155e50e, which
totally broke the build on x86 with CONFIG_RELOCATABLE (which, as far as
I can tell, is the only case where it should even matter!) due to a
SIGSEGV in modpost.
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fix:
mm/slab: fix section mismatch warning
mm: fix section mismatch warnings
init/main: use __init_refok to fix section mismatch
kbuild: introduce __init_refok/__initdata_refok to supress section mismatch warnings
all-archs: consolidate .data section definition in asm-generic
all-archs: consolidate .text section definition in asm-generic
kbuild: add "Section mismatch" warning whitelist for powerpc
kbuild: make better section mismatch reports on i386, arm and mips
kbuild: make modpost section warnings clearer
kconfig: search harder for curses library in check-lxdialog.sh
kbuild: include limits.h in sumversion.c for PATH_MAX
powerpc: Fix the MODALIAS generation in modpost for of devices
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Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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modpost had two cases hardcoded for mm/
Shift over to __init_refok and kill the
hardcoded function names in modpost.
This has the drawback that the functions
will always be kept no matter configuration.
With previous code the function were placed in
init section if configuration allowed it.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Kill a special case in modpost by introducing the
__init_refok marker.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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warnings
Throughout the kernel there are a few legitimite references
to init or exit sections. Most of these are covered by the
patterns included in modpost but a few nees special attention.
To avoid hardcoding a lot of function names in modpost introduce
a marker so relevant function/data can be marked.
When modpost see a reference to a init/exit function from
a function/data marked no warning will be issued.
Idea from: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
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This patch fixes the following class of "Section mismatch" warnings when
building powerpc platforms.
WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to .init.data:.got2 from prom_entry (offset 0x0)
WARNING: arch/powerpc/platforms/built-in.o - Section mismatch: reference to .init.text:mpc8313_rdb_probe from .machine.desc after 'mach_mpc8313_rdb' (at offset 0x4)
....
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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On i386, ARM and MIPS, warn_sec_mismatch() sometimes fails to show
usefull symbol name. This is because empty 'refsym' due to 0 r_addend
value. This patch is to adjust r_addend value, consulting with
apply_relocate() routine in kernel code.
Without this patch:
MODPOST vmlinux
WARNING: init/built-in.o - Section mismatch: reference to .init.text: from .text between 'rest_init' (at offset 0xf4) and 'try_name'
WARNING: mm/built-in.o - Section mismatch: reference to .init.text: from .text between 'kmem_cache_create' (at offset 0x18a39) and 'cache_reap'
WARNING: mm/built-in.o - Section mismatch: reference to .init.text: from .text between 'kmem_cache_create' (at offset 0x18a6b) and 'cache_reap'
With this patch:
MODPOST vmlinux
WARNING: mm/built-in.o - Section mismatch: reference to .init.text:set_up_list3s from .text between 'kmem_cache_create' (at offset 0x18a39) and 'cache_reap'
WARNING: mm/built-in.o - Section mismatch: reference to .init.text:set_up_list3s from .text between 'kmem_cache_create' (at offset 0x18a6b) and 'cache_reap'
Now modpost can detect "kernel_init" name (and whitelist it) and show
"set_up_list3s" name.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Change modpost section mismatch warnings to be less confusing;
model them on the binutils linker warnings which we all know how
to interpret.
Also, fix the wrong ordering of arguments for the final case -
fromsec and refsymname were reversed.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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The check-lxdialog.sh script searches for "libFOO.so" which fails on OS X, due
to their special naming of libraries like "libfoo.dylib". This patch turns
the curses lib search into extensible loops and adds dylib as a valid
extension.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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POSIX says limits.h defines PATH_MAX so we should include it (which fixes
compiling on some systems like OS X).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Since the devices may have multiple (or none) compatible properties,
the uevent generated internally by the kernel may have multiple
"C..." entries. So the MODALIAS stored in the module must have
wilcard before and after the compatible entry.
Also, if the 'compatible' field is not used for matching, there
will be no 'C' and that must handled as well.
The previous code handled all those case incorrectly and it
"mostly" worked ... but not always.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits)
sound: convert "sound" subdirectory to UTF-8
MAINTAINERS: Add cxacru website/mailing list
include files: convert "include" subdirectory to UTF-8
general: convert "kernel" subdirectory to UTF-8
documentation: convert the Documentation directory to UTF-8
Convert the toplevel files CREDITS and MAINTAINERS to UTF-8.
remove broken URLs from net drivers' output
Magic number prefix consistency change to Documentation/magic-number.txt
trivial: s/i_sem /i_mutex/
fix file specification in comments
drivers/base/platform.c: fix small typo in doc
misc doc and kconfig typos
Remove obsolete fat_cvf help text
Fix occurrences of "the the "
Fix minor typoes in kernel/module.c
Kconfig: Remove reference to external mqueue library
Kconfig: A couple of grammatical fixes in arch/i386/Kconfig
Correct comments in genrtc.c to refer to correct /proc file.
Fix more "deprecated" spellos.
Fix "deprecated" typoes.
...
Fix trivial comment conflict in kernel/relay.c.
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This will later allow an arch to add module specific information via linker
generated tables instead of poking directly in the module object structure.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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