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2006-06-09kconfig: integrate split config into silentoldconfigRoman Zippel4-233/+123
Now that kconfig can load multiple configurations, it becomes simple to integrate the split config step, by simply comparing the new .config file with the old auto.conf (and then saving the new auto.conf). A nice side effect is that this saves a bit of disk space and cache, as no data needs to be read from or saved into the splitted config files anymore (e.g. include/config is now 648KB instead of 5.2MB). Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-09kconfig: allow loading multiple configurationsRoman Zippel7-62/+84
Extend conf_read_simple() so it can load multiple configurations. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-09kconfig: allow multiple default values per symbolRoman Zippel3-26/+31
Extend struct symbol to allow storing multiple default values, which can be used to hold multiple configurations. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-09kconfig: remove SYMBOL_{YES,MOD,NO}Roman Zippel4-14/+6
The SYMBOL_{YES,MOD,NO} are not really used anymore (they were more used be the cml1 converter), so just remove them. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-09kconfig: fix .config dependenciesRoman Zippel6-57/+145
This fixes one of the worst kbuild warts left - the broken dependencies used to check and regenerate the .config file. This was done via an indirect dependency and the .config itself had an empty command, which can cause make not to reread the changed .config file. Instead of this we generate now a new file include/config/auto.conf from .config, which is used for kbuild and has the proper dependencies. It's also the main make target now for all files generated during this step (and thus replaces include/linux/autoconf.h). This also means we can now relax the syntax requirements for the .config file and we don't have to rewrite it all the time, i.e. silentoldconfig only writes .config now when it's necessary to keep it in sync with the Kconfig files and even this can be suppressed by setting the environment variable KCONFIG_NOSILENTUPDATE, so the update can (and must) be done manually. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-09kconfig: improve config load/save outputRoman Zippel1-4/+18
During loading special case the first common case (.config), be silent about it and otherwise mark it as a change that requires saving. Instead output that the file has been changed. IOW if conf does nothing (special), it's silent. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-08kbuild: fix false section mismatch with ARCH=um buildSam Ravnborg1-0/+2
Ignoring references to .init.text, .exit.text from the .plt section brought the false positives down to two warnings for a defconfig build of ARCH=um on x86_64. Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-08kbuild: ignore smp_locks section warnings from init/exit codeRandy Dunlap1-0/+2
Add ".smp_locks" section to whitelist as being safe from init and exit sections. Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-08kbuild: fix make rpm for powerpcMike Wolf1-0/+5
The default target for most powerpc platforms is zImage. The zImage however is in arch/powerpc/boot and the mkspec script was set up to get the kernel from the top level of the kernel tree. This patch copies vmlinux to arch/powerpc/boot and then copies the kernel to the tmp directory so the rpm can be made. Signed-off-by: Mike Wolf <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-06-08kbuild: obj-dirs is calculated incorrectly if hostprogs-y is definedPavel Roskin1-3/+5
When Makefile.host is included, $(obj-dirs) is subjected to the addprefix operation for the second time. Prefix only needs to be added to the newly added directories, but not to those that came from Makefile.lib. This causes the build system to create unneeded empty directories in the build tree when building in a separate directory. For instance, lib/lib/zlib_inflate is created in the build tree. Signed-off-by: Pavel Roskin <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-05-21[PATCH] kbuild: fix modpost segfault for 64bit mipsel kernelAtsushi Nemoto2-6/+46
Here is an updated r_info layout fix. Please apply "check SHT_REL sections" patch before this. 64bit mips has different r_info layout. This patch fixes modpost segfault for 64bit little endian mips kernel. Signed-off-by: Atsushi Nemoto <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Ralf Baechle <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-05-21[PATCH] kbuild: check SHT_REL sectionsAtsushi Nemoto2-19/+48
I found that modpost can not detect section mismatch on mips and i386. On mips64, the modpost (with r_info layout fix) can detect it. The current modpst only checks SHT_RELA section but I suppose SHT_REL section should be checked also. This patch does not contain r_info layout fix. I'll post an updated r_info layout fix on next mail. Check SHT_REL sections as like as SHT_RELA sections to detect section mismatch. Signed-off-by: Atsushi Nemoto <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Ralf Baechle <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-05-08Revert "kbuild: fix modpost segfault for 64bit mipsel kernel"Linus Torvalds2-28/+2
This reverts commit c8d8b837ebe4b4f11e1b0c4a2bdc358c697692ed, which caused problems for the x86 build. Quoth Sam: "It was discussed on mips list but apparently the fix was bogus. I will not have time to look into it so mips can carry this local fix until we get a proper fix in mainline." Signed-off-by: Linus Torvalds <[email protected]>
2006-05-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds4-7/+40
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: kbuild: Do not overwrite makefile as anohter user kbuild: drivers/video/logo/ - fix ident glitch kbuild: fix gen_initramfs_list.sh kbuild modpost - relax driver data name kbuild: removing .tmp_versions considered harmful kbuild: fix modpost segfault for 64bit mipsel kernel
2006-05-08kbuild: Do not overwrite makefile as anohter userJan Beulich1-1/+4
Change the conditional of the outputmakefile rule to be evaluated entirely in make, and add a conditional to not touch the generated makefile when e.g. running 'make install' as root while the build was done as non-root. Also adjust the comment describing this, and move the message printing and redirection to mkmakefile. Signed-off-by: Jan Beulich <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-30kbuild: fix gen_initramfs_list.shSam Ravnborg1-1/+5
Create correct dependencies when specifying your own file with list of files etc. to include in initramfs. Reported by: Andre Noll <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-30kbuild modpost - relax driver data nameRandy Dunlap1-3/+3
Relax driver data name from *_driver to *driver. This fixes the 26 section mismatch warnings in drivers/ide/pci. Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-30kbuild: fix modpost segfault for 64bit mipsel kernelAtsushi Nemoto2-2/+28
64bit mips has different r_info layout. This patch fixes modpost segfault for 64bit little endian mips kernel. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-29Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6Dmitry Torokhov13-124/+194
2006-04-26Input: move input_device_id to mod_devicetable.hDmitry Torokhov1-19/+17
Signed-off-by: Dmitry Torokhov <[email protected]>
2006-04-19[PATCH] config: update usage/help infoRandy Dunlap1-1/+2
Replace outdated help message with a reference to README. Update README for make *config variants and environment variable info. Signed-off-by: Randy Dunlap <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-04-14Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds1-4/+9
* master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild: kbuild: fix false section mismatch warnings
2006-04-15kbuild: fix false section mismatch warningsSam Ravnborg1-4/+9
Darren Jenkins <[email protected]> pointed out a number of false positives where we referenced variables from a _driver variable. Fix it by check for that pattern and ignore it. Randy.Dunlap <[email protected]> pointed out a similar set of warnings for a number of scsi drivers. In scsi world they misname their variables *_template or *_sht so add these to list of variables that may have references to .init.text with no warning. Randy.Dunlap <[email protected]> also pointed out a scsi driver with many references to .exit.text from .rodata. This is compiler generated references and we already ignore these for .init.text, so ignore them for .exit.text also. Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-14[PATCH] Enhancing accessibility of lxdialogSamuel Thibault1-10/+9
For easily getting fairly good accessibility, the TTY cursor should always be left at the focus location. This patch fixes the checklist by just having the list refreshed after the dialog box (hence the cursor position remains in the list). Signed-off-by: Samuel Thibault <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-04-11kconfig: fix typo in change count initializationRoman Zippel1-1/+1
Configuration needs saving when either of these conditions is true. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-11kconfig: recenter menuconfigRoman Zippel1-9/+10
Move the menuconfig output more into the centre again, it's using a fixed position depending on the window width using the fact that the menu output has to work in a 80 chars terminal. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-11kconfig: revert conf behaviour changeRoman Zippel1-16/+2
After the last patch fixed the real problem, revert this needless behaviour change of conf, which only hid the real problem. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-11kconfig: fix default value for choice inputRoman Zippel1-2/+1
The wrong default value can cause conf to end up in endless loop for choice questions. Signed-off-by: Roman Zippel <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-11kbuild: fix NULL dereference in scripts/mod/modpost.cEric Sesterhenn1-1/+1
before is NULL in this case, concluding from the surrounding code it seems that after is the right one to use. Signed-off-by: Eric Sesterhenn <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-11kbuild: fix mode of checkstack.pl and other files.Paolo 'Blaisorblade' Giarrusso4-0/+0
Make it executable like it should be. Do the same for other files intended to be executed by the user - the ones called by the build process needn't be executable as they already work (as argument to their interpreter). Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-11kbuild: rebuild initramfs if content of initramfs changesSam Ravnborg1-73/+152
initramfs.cpio.gz being build in usr/ and included in the kernel was not rebuild when the included files changed. To fix this the following was done: - let gen_initramfs.sh generate a list of files and directories included in the initramfs - gen_initramfs generate the gzipped cpio archive so we could simplify the kbuild file (Makefile) - utilising the kbuild infrastructure so when uid/gid root mapping changes the initramfs will be rebuild With this change we have a much more robust initramfs generation. Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-07kbuild: properly pass options to hostcc when doing make O=..Sam Ravnborg2-5/+5
This fix a longstanding bug where proper options was not passed to hostcc in case of a make O=.. build. This bug showed up in (not yet merged) klibc, and is not known to have any counterpart in-kernel. Fixed by moving the flags macro to Kbuild.include so it can be used by both Makefile.lib and Makefile.host. Signed-off-by: Sam Ravnborg <[email protected]>
2006-04-05ver_linux: don't print reiser4progs version if none foundAlexey Dobriyan1-2/+2
Sam: did the same for reiserprogs Signed-off-by: Alexey Dobriyan <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-25[PATCH] x86_64: Basic reorder infrastructureArjan van de Ven1-0/+21
This patch puts the infrastructure in place to allow for a reordering of functions based inside the vmlinux. The general idea is that it is possible to put all "common" functions into the first 2Mb of the code, so that they are covered by one TLB entry. This as opposed to the current situation where a typical vmlinux covers about 3.5Mb (on x86-64) and thus 2 TLB entries. This is done by enabling the -ffunction-sections flag in gcc, which puts each function in its own ELF section, so that the linker can then order them in a way defined by the linker script. As per previous discussions, Linus said he wanted a "static" list for this, eg a list provided by the kernel tarbal, so that most people have the same ordering at least. A script is provided to create this list based on readprofile(1) output. The included list is provisional, and entirely biased on my own testbox and me running a few kernel compiles and some other things. I think that to get to a better list we need to invite people to submit their own profiles, and somehow add those all up and base the final list on that. I'm willing to do that effort if this is ends up being the prefered approach. Such an effort probably needs to be repeated like once a year or so to adopt to the changing nature of the kernel. Made it a CONFIG with default n because it increases link times dramatically. Signed-off-by: Andi Kleen <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-25Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds22-1013/+1139
* master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild: (46 commits) kbuild: remove obsoleted scripts/reference_* files kbuild: fix make help & make *pkg kconfig: fix time ordering of writes to .kconfig.d and include/linux/autoconf.h Kconfig: remove the CONFIG_CC_ALIGN_* options kbuild: add -fverbose-asm to i386 Makefile kbuild: clean-up genksyms kbuild: Lindent genksyms.c kbuild: fix genksyms build error kbuild: in makefile.txt note that Makefile is preferred name for kbuild files kbuild: replace PHONY with FORCE kbuild: Fix bug in crc symbol generating of kernel and modules kbuild: change kbuild to not rely on incorrect GNU make behavior kbuild: when warning symbols exported twice now tell user this is the problem kbuild: fix make dir/file.xx when asm symlink is missing kbuild: in the section mismatch check try harder to find symbols kbuild: fix section mismatch check for unwind on IA64 kbuild: kill false positives from section mismatch warnings for powerpc kbuild: kill trailing whitespace in modpost & friends kbuild: small update of allnoconfig description kbuild: make namespace.pl CROSS_COMPILE happy ... Trivial conflict in arch/ppc/boot/Makefile manually fixed up
2006-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds1-1/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (21 commits) BUG_ON() Conversion in drivers/video/ BUG_ON() Conversion in drivers/parisc/ BUG_ON() Conversion in drivers/block/ BUG_ON() Conversion in sound/sparc/cs4231.c BUG_ON() Conversion in drivers/s390/block/dasd.c BUG_ON() Conversion in lib/swiotlb.c BUG_ON() Conversion in kernel/cpu.c BUG_ON() Conversion in ipc/msg.c BUG_ON() Conversion in block/elevator.c BUG_ON() Conversion in fs/coda/ BUG_ON() Conversion in fs/binfmt_elf_fdpic.c BUG_ON() Conversion in input/serio/hil_mlc.c BUG_ON() Conversion in md/dm-hw-handler.c BUG_ON() Conversion in md/bitmap.c The comment describing how MS_ASYNC works in msync.c is confusing rcu: undeclared variable used in documentation fix typos "wich" -> "which" typo patch for fs/ufs/super.c Fix simple typos tabify drivers/char/Makefile ...
2006-03-25[PATCH] kallsyms: handle malloc() failureJesper Juhl1-1/+11
This fixes coverity bugs #398 and #397 Signed-off-by: Jesper Juhl <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-24fix typos "wich" -> "which"Uwe Zeisberger1-1/+1
Signed-off-by: Uwe Zeisberger <[email protected]> Signed-off-by: Adrian Bunk <[email protected]>
2006-03-24[PATCH] extract-ikconfig: don't use --long-optionsAlexey Dobriyan1-1/+1
Signed-off-by: Alexey Dobriyan <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-24[PATCH] extract-ikconfig: be sure binoffset exists before extractingAlexey Dobriyan1-0/+1
Signed-off-by: Alexey Dobriyan <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-24[PATCH] extract-ikconfig: use mktemp(1)Alexey Dobriyan1-1/+1
Signed-off-by: Alexey Dobriyan <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-21kbuild: remove obsoleted scripts/reference_* filesSam Ravnborg2-220/+0
The checks performed by scripts/reference_* has been moved to modpost. Remove the files and their reference in top-level Makefile. Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-20[PATCH] add EXPORT_SYMBOL_GPL_FUTURE()Greg Kroah-Hartman2-45/+47
This patch adds the ability to mark symbols that will be changed in the future, so that kernel modules that don't include MODULE_LICENSE("GPL") and use the symbols, will be flagged and printed out to the system log. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2006-03-17[PATCH] kbuild: fix buffer overflow in modpostSam Ravnborg1-7/+2
Jiri Benc <[email protected]> reported that modpost would stop with SIGABRT if used with long filepaths. The error looked like: > Building modules, stage 2. > MODPOST > *** glibc detected *** scripts/mod/modpost: realloc(): invalid next size: +0x0809f588 *** > [...] Fix this by allocating at least the required memory + SZ bytes each time. Before we sometimes ended up allocating too little memory resuting in the glibc detected bug above. Based on patch originally submitted by: Jiri Benc <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-03-12kconfig: fix time ordering of writes to .kconfig.d and include/linux/autoconf.hJan Beulich1-1/+1
Since .kconfig.d is used as a make dependency of include/linux/autoconf.h, it should be written earlier than the header file, to avoid a subsequent rebuild to consider the header outdated. Signed-Off-By: Jan Beulich <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-12kbuild: add -fverbose-asm to i386 MakefileChuck Ebbert1-1/+1
Add -fverbose-asm to i386 Makefile rule for building .s files. This makes the assembler output much more readable for humans. Suggested by Der Herr Hofrat <[email protected]> Signed-off-by: Chuck Ebbert <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-12kbuild: clean-up genksymsSam Ravnborg2-94/+43
o remove all inlines o declare everything static which is only used by genksyms.c o delete unused functions o delete unused variables o delete unused stuff in genksyms.h o properly ident genksyms.h Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-12kbuild: Lindent genksyms.cSam Ravnborg1-438/+402
No fix-ups applied yet. Just the raw Lindent output. Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-12kbuild: fix genksyms build errorSam Ravnborg2-6/+13
genksyms needs to know when a symbol must have a "_" prefex as is true for a few architectures. Pass $(ARCH) as commandline argument and hardcode what architectures that needs this info. Previous attemt to take it from elfconfig.h was br0ken since elfconfig.h is a generated file. Signed-off-by: Sam Ravnborg <[email protected]>
2006-03-08kbuild: replace PHONY with FORCESam Ravnborg1-11/+7
.PHONY: does not take patterns so use FORCE to achive same effect. Thanks to "Paul D. Smith" <[email protected]> for noticing this. Signed-off-by: Sam Ravnborg <[email protected]>
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