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* kbuild: fix section mismatch check for unwind on IA64Sam Ravnborg2006-03-05
| | | | | | Parameters to strstr() was reversed. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: kill false positives from section mismatch warnings for powerpcSam Ravnborg2006-03-04
| | | | | | | | | | | | | | | | | | | | | | | | | Building an allmodconfig kernel for ppc64 revealed a number of false positives - originally reported by Andrew Morton. This patch removes most if not all false positives for ppc64: Section .opd The .opd section contains function descriptors at least for ppc64. So ignore it for .init.text (was ignored for .exit.text). See description of function descriptors here: http://www.linuxbase.org/spec/ELF/ppc64/PPC-elf64abi-1.7.html Section .toc1 ppc64 places some static variables in .toc1 - ignore the. Section __bug_tabe BUG() and friends uses __bug_table. Ignore warnings from that section. Module parameters are placed in .data.rel for ppc64, for adjust pattern to match on section named .data* Tested with gcc: 3.4.0 and binutils 2.15.90.0.3 Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: kill trailing whitespace in modpost & friendsSam Ravnborg2006-03-03
| | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: small update of allnoconfig descriptionJesper Juhl2006-02-26
| | | | | | | | | | | | | 'allnoconfig' is described by 'make help' as a "minimal config", that's not strictly correct. To be pedantic, a minimal config would be one where EMBEDDED was set to Y and most things therein disabled etc. Simply answering 'no' to all options does not give a minimal config. A better description of allnoconfig is that it answers all options with 'no'. This patch updates the description. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: make namespace.pl CROSS_COMPILE happyAaron Brooks2006-02-26
| | | | | | | | | | Using the fixed path to /usr/bin/{nm,objdump} does not allow CROSS_COMPILE environments to use namespace.pl. This patch causes namespace.pl to use $NM and $OBJDUMP if defined or fall back to the nm and objdump found in the path. Signed-off-by: Aaron Brooks <aaron.brooks@sicortex.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: whitelist false section mismatch warningsSam Ravnborg2006-02-26
| | | | | | | | | | | | In several cases the section mismatch check triggered false warnings. Following patch introduce a whitelist to 'false positives' are not warned of. Two types of patterns are recognised: 1) Typical case when a module parameter is _initdata 2) When a function pointer is assigned to a driver structure In both patterns we rely on the actual name of the variable assigned Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: Add copyright to modpost.cSam Ravnborg2006-02-26
| | | | | | | It seems popular to protect your work with copyright, so I decided to do so for modpost which I patch a great deal atm. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: do not warn when unwind sections references .init/.exit sectionsSam Ravnborg2006-02-22
| | | | | | | | | | | | | | Andrew Morton reported a number of false positives for ia64 - like these: WARNING: drivers/acpi/button.o - Section mismatch: reference to .init.text: from .IA_64.unwind.init.text after '' (at offset 0x0) WARNING: drivers/acpi/button.o - Section mismatch: reference to .exit.text: from .IA_64.unwind.exit.text after '' (at offset 0x0) WARNING: drivers/acpi/processor.o - Section mismatch: reference to .init.text: from .IA_64.unwind after '' (at offset 0x1e8) They are all false positives - or at least the .c code looks OK. It is not known why sometimes a section name is appended and sometimes not. Fix is to accept references from all sections that includes "unwind." in the name. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: fix modpost compile with older gccakpm@osdl.org2006-02-22
| | | | | | | | The kernel now requires that CC be 3.1.0 or higher. But we shouldn't place that requirement upon HOSTCC unless we really need to. Fixes my ia64 problem. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: include symbol names in section mismatch warningsSam Ravnborg2006-02-19
| | | | | | | Try to look up the symbol that is referenced. Include the symbol name in the warning message. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: fix segfault in modpostSam Ravnborg2006-02-19
| | | | | | | Do not try to look up section name until we know it is not a special section. Otherwise we will address outside legal space and segfault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: do not segfault in modpost if MODVERDIR is not definedSam Ravnborg2006-02-19
| | | | | | | | A combination of calling modpost with option -a and MODVERDIR undefined caused segmentation fault. So provide a default value and accept the error messages it generates instead. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: fix comment in Kbuild.includeSam Ravnborg2006-02-19
| | | | | | Noted by Olaf Hering <olh@suse.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: remove checkconfig.plBrian Gerst2006-02-19
| | | | | | | | checkconfig.pl is no longer needed now that autoconf.h is automatically included. Remove it and all references to it. Signed-off-by: Brian Gerst <bgerst@didntduck.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: fix mkmakefileJan Beulich2006-02-19
| | | | | | | | | | | | | With the current way of generating the Makefile in the output directory for builds outside of the source tree, specifying real targets (rather than phony ones) doesn't work in an already (partially) built tree, as the stub Makefile doesn't have any dependency information available. Thus, all targets where files may actually exist must be listed explicitly and, due to what I'd call a make misbehavior, directory targets must then also be special cased. Signed-Off-By: Jan Beulich <jbeulich@novell.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: consolidate command line escapingJan Beulich2006-02-19
| | | | | | | | | | | | While the recent change to also escape # symbols when storing C-file compilation command lines was helpful, it should be in effect for all command lines, as much as the dollar escaping should be in effect for C-source compilation commands. Additionally, for better readability and maintenance, consolidating all the escaping (single quotes, dollars, and now sharps) was also desirable. Signed-Off-By: Jan Beulich <jbeulich@novell.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: make cc-version available in kbuild filesSam Ravnborg2006-02-19
| | | | | | | | | | | | | | | Move $(CC) support functions to Kbuild.include so they are available in the kbuild files. In addition the following was done: o as-option documented in Documentation/kbuild/makefiles.txt o Moved documentation to new section to match new scope of functions o added cc-ifversion used to conditionally select a text string dependent on actual $(CC) version o documented cc-ifversion o change so Kbuild.include is read before the kbuild file Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: check for section mismatch during modpost stageSam Ravnborg2006-02-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | Section mismatch is identified as references to .init* sections from non .init sections. And likewise references to .exit.* sections outside .exit sections. .init.* sections are discarded after a module is initialized and references to .init.* sections are oops candidates. .exit.* sections are discarded when a module is built-in and thus references to .exit are also oops candidates. The checks were possible to do using 'make buildcheck' which called the two perl scripts: reference_discarded.pl and reference_init.pl. This patch just moves the same functionality inside modpost and the scripts are then obsoleted. They will though be kept for a while so users can do double checks - but note that some .o files are skipped by the perl scripts so result is not 1:1. All credit for the concept goes to Keith Owens who implemented the original perl scrips - this patch just moves it to modpost. Compared to the perl script the implmentation in modpost will be run for each kernel build - thus catching the error much sooner, but the downside is that the individual .o file are not always identified. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: warn about duplicate exported symbolsSam Ravnborg2006-02-19
| | | | | | | | In modpost introduce a check for symbols exported twice. This check caught only one victim (inet_bind_bucket_create) for which a patch is already sent to netdev. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: improved modversioning support for external modulesSam Ravnborg2006-02-19
| | | | | | | | | | | | | | | With following patch a second option is enabled to obtain symbol information from a second external module when a external module is build. The recommended approach is to use a common kbuild file but that may be impractical in certain cases. With this patch one can copy over a Module.symvers from one external module to make symbols (and symbol versions) available for another external module. Updated documentation in Documentation/kbuild/modules.txt Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: apply CodingStyle to modpost.cSam Ravnborg2006-02-19
| | | | | | Just some light CodingStyle updates - no functional changes. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: use warn()/fatal() consistent in modpostSam Ravnborg2006-02-19
| | | | | | modpost.c provides warn() and fatal() - so use them all over the place. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* Revert "[PATCH] kconfig: detect if -lintl is needed when linking conf,mconf"Linus Torvalds2006-02-09
| | | | | | | | | | | | This reverts commit 5e375bc7d586e0df971734a5a5f1f080ffd89b68. Kyle McMartin steps on his soap-box: "Sigh. Can everyone please stop assuming gcc can output to /dev/null? On several platforms, ld tries to lseek in the output file, and fails if it can't." Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-bugfixLinus Torvalds2006-02-07
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| * kconfig: fix /dev/null breakageSam Ravnborg2006-01-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While running "make menuconfig" and "make mrproper" some people experienced that /dev/null suddenly changed permissions or suddenly became a regular file. The main reason was that /dev/null was used as output to gcc in the check-lxdialog.sh script and gcc did some strange things with the output file; in this case /dev/null when it errorred out. Following patch implements a suggestion from Bryan O'Sullivan <bos@serpentine.com> to use gcc -print-file-name=libxxx.so. Also the Makefile is adjusted to not resolve value of HOST_EXTRACFLAGS and HOST_LOADLIBES until they are actually used. This prevents us from calling gcc when running make *clean/mrproper Thanks to Eyal Lebedinsky <eyal@eyal.emu.id.au> and Jean Delvare <khali@linux-fr.org> for the first error reports. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> ---
* | [PATCH] kconfig: detect if -lintl is needed when linking conf,mconfRobb, Sam2006-02-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On a system where libintl.h is present, but the NLS functionality is supplied by a separate library instead of the system C library, an attempt to "make config" or "make menuconfig" will fail with link errors, ex: scripts/kconfig/mconf.o:mconf.c:(.text+0xf63): undefined reference to `_libintl_gettext' This patch attempts to correct the problem by detecting whether or not NLS support requires linking with libintl. Signed-off-by: Samuel J Robb <sam.robb@timesys.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kernel-doc: clean up the script (whitespace)Randy Dunlap2006-02-01
| | | | | | | | | | | | | | | | Remove lots of trailing whitespace. Nothing else. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Doc/kernel-doc: add more usage infoRandy Dunlap2006-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add info that structs, unions, enums, and typedefs are supported. - Add doc about "private:" and "public:" tags for struct fields. - Fix some typos. - Remove some trailing whitespace. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] DocBook: allow even longer return typesMartin Waitz2006-02-01
|/ | | | | | | | | kernel-doc errored out because it could not understand the new __copy_to_user definition. Now we allow return types with four words. Signed-off-by: Martin Waitz <tali@admingilde.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* kbuild: create .kernelrelease at *config stepSam Ravnborg2006-01-16
| | | | | | | | | | | | To enable 'make kernelrelease' earlier now create .kernelrelease when one of the *config targets are used. Also introduce KERNELVERSION - only user is kconfig. KERNELVERSION was needed to display kernel version in menuconfig - KERNELRELEASE is not valid until configuration has completed. kconfig files modified to use KERNELVERSION. Bug reported by: Rene Rebe <rene@exactcode.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: get rid of stray a.o, support ncurseswSam Ravnborg2006-01-15
| | | | | | | | | | | | | | | | scripts/kconfig/lxdialog/check-lxdialog.sh uses gcc to check for what libraries are present. Redirect output to /dev/null so we do not generate an a.out. Also included support for ncursesw - so if present prefer that instead of ncurses. The order is now (first is preferred): 1) ncursesw 2) ncurses 3) curses The latter is to support SunOS. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2006-01-10
|\ | | | | | | Fix up some trivial conflicts in {i386|ia64}/Makefile
| * kbuild: reference_discarded additionDave Jones2006-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Error: ./fs/quota_v2.o .opd refers to 0000000000000020 R_PPC64_ADDR64 .exit.text Been carrying this for some time in Red Hat trees. Keith Ownes <kaos@sgi.com> commented: For our future {in}sanity, add a comment that this is the ppc .opd section, not the ia64 .opd section. ia64 .opd should not point to discarded sections. Any idea why ppc .opd points to discarded sections when ia64 does not? AFAICT no ia64 object has a useful .opd section, they are all empty or (sometimes) a dummy entry which is 1 byte long. ia64 .opd data is built at link time, not compile time. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: In setlocalversion change -git_dirty to just -dirtyRyan Anderson2006-01-08
| | | | | | | | | | | | | | | | | | When building Debian packages directly from the git tree, the appended "git_dirty" is a problem due to the underscore. In order to cause the least problems, change that just to "dirty". Signed-off-by: Ryan Anderson <ryan@michonline.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * modpost/file2alias: Fix typoBrian Gerst2006-01-08
| | | | | | | | | | | | | | SND_MAX should be FF_MAX Signed-off-by: Brian Gerst <bgerst@didntduck.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kconfig: factor out ncurses check in a shell scriptSam Ravnborg2006-01-08
| | | | | | | | | | | | | | | | Cleaning up the lxdialog Makefile by factoring out the ncurses compatibility checks. This made the checks much more obvious and easier to extend. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: introduce escsq to escapre single quotesSam Ravnborg2006-01-06
| | | | | | | | | | | | | | This makes things a little bit more reader friendly and gvim is less confused. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | [PATCH] DocBook: warn for missing macro parametersMartin Waitz2006-01-10
| | | | | | | | | | | | | | | | | | | | Previously kernel-doc silently ignored missing parameter descriptions for preprocessor macros. Now that all such omissions are fixed up we can warn about them in kernel-doc to be able to keep it that way. Signed-off-by: Martin Waitz <tali@admingilde.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | spelling: s/retreive/retrieve/Adrian Bunk2006-01-09
| | | | | | | | Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | [PATCH] tiny: Add bloat-o-meter to scriptsMatt Mackall2006-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a rewrite of Andi Kleen's bloat-o-meter with sorting and reporting of gainers/decliners. Sample output: add/remove: 0/8 grow/shrink: 2/0 up/down: 88/-4424 (-4336) function old new delta __copy_to_user_ll 59 103 +44 __copy_from_user_ll 59 103 +44 fill_note 32 - -32 maydump 58 - -58 dump_seek 67 - -67 writenote 180 - -180 elf_dump_thread_status 274 - -274 fill_psinfo 308 - -308 fill_prstatus 466 - -466 elf_core_dump 3039 - -3039 The summary line says: no functions added, 8 removed two functions grew, none shrunk we gained 88 bytes and lost 4424 (or -4336 net) This work was sponsored in part by CE Linux Forum Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] kconf: Check for eof from input stream.Ben Collins2006-01-08
| | | | | | | | | | | | | | | | Signed-off-by: Ben Collins <bcollins@ubuntu.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] fix gcc4.1 build failure on xconfigDave Jones2006-01-08
|/ | | | | | | | | | | scripts/kconfig/qconf.h:25: error: extra qualification ‘ConfigSettings::’ on member ‘readSizes’ scripts/kconfig/qconf.h:26: error: extra qualification ‘ConfigSettings::’ on member ‘writeSizes’ scripts/kconfig/qconf.h:127: error: extra qualification ‘ConfigList::’ on member ‘updateMenuList’ Signed-off-by: Dave Jones <davej@redhat.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* kconfig: fix gconfig with POSIXLY_CORRECT=1Adrian Bunk2006-01-06
| | | | | | | | | | This patch fixed "make gconfig" with POSIXLY_CORRECT=1 set. This issue was reported by Jens Elkner <elkner@linofee.org> in kernel Bugzilla #2919. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: Use git in scripts/setlocalversionRene Scharfe2006-01-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently scripts/setlocalversion is a Perl script that tries to figure out the current git commit ID of a repo without using git. It also imports Digest::MD5 without using it and generally is too big for the small task it does. :] And it always reports a git ID, even when the HEAD is tagged -- this is a bug. This patch replaces it with a Bourne Shell script that uses git commands to do the same. I can't come up with a scenario where someone would use a git repo and refuse to install git core at the same time, so I think it's reasonable to assume git is available. The new script also reports uncommitted changes by adding -git_dirty to the version string. Obviously you can't see from that _what_ has been changed from the last commit, so it's more of a reminder that you forgot to commit something. The script is easily extensible: simply add a check for Mercurial (or whatever) below the git check. Note: the script doesn't print a newline char anymore. That's only because it was easier to implement it that way, not a feature (or bug). 'make kernelrelease' doesn't care. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Acked-by: Ryan Anderson <ryan@michonline.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds2006-01-04
|\ | | | | | | Trivial manual merge fixup for usb_find_interface clashes.
| * [PATCH] Input: add modalias supportRusty Russell2006-01-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Here's the patch for modalias support for input classes. It uses comma-separated numbers, and doesn't describe all the potential keys (no module currently cares, and that would make the strings huge). The changes to input.h are to move the definitions needed by file2alias outside __KERNEL__. I chose not to move those definitions to mod_devicetable.h, because there are so many that it might break compile of something else in the kernel. The rest is fairly straightforward. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> CC: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2006-01-04
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| * \ Merge branch 'master'Sam Ravnborg2006-01-03
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| | * | kbuild: tar-pkg with out-out-tree buildingJan-Benedict Glaw2006-01-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix out-of-tree builds for the tar-pkg targets When I wrote the buildtar script, I didn't even think about out-of-tree builds because I didn't use these back then. This patch throughoutly uses ${objtree} instead of `pwd`. Also, the kernel version is no longer manually built. Instead, it will properly use $KERNELRELEASE . Installing modules is only done if CONFIG_MODULES is set. Signed-off-by: Jan-Benedict Glaw <jbglaw@lug-owl.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * | | gitignore: ignore more generated files2006-01-03
| | | | | | | | | | | | | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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