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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 <anemo@mba.ocn.ne.jp> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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 <anemo@mba.ocn.ne.jp> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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 <torvalds@osdl.org>
2006-05-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2-5/+31
* 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
2006-04-30kbuild 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 <rdunlap@xenotime.net> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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 <anemo@mba.ocn.ne.jp> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-04-29Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6Dmitry Torokhov1-5/+10
2006-04-26Input: move input_device_id to mod_devicetable.hDmitry Torokhov1-19/+17
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2006-04-15kbuild: fix false section mismatch warningsSam Ravnborg1-4/+9
Darren Jenkins <darrenrjenkins@gmail.com> 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 <rdunlap@xenotime.net> 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 <rdunlap@xenotime.net> 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 <sam@ravnborg.org>
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 <snakebyte@gmx.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-03-25Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds5-169/+607
* 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
2006-03-17[PATCH] kbuild: fix buffer overflow in modpostSam Ravnborg1-7/+2
Jiri Benc <jbenc@suse.cz> 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 <jbenc@suse.cz> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-08kbuild: Fix bug in crc symbol generating of kernel and modulesLuke Yang1-2/+2
The scripts/genksyms/genksyms.c uses hardcoded "__crc_" prefix for crc symbols in kernel and modules. The prefix should be replaced by "MODULE_SYMBOL_PREFIX##__crc_" otherwise there will be warnings when MODULE_SYMBOL_PREFIX is not NULL. I am sorry my last patch for this issue is actually wrong. I revert it in this patch. Signed-off-by: Luke Yang <luke.adi@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-03-06[PATCH] s390: fix match in ccw modaliasBastian Blank1-1/+1
Fix matching of devmodel in modaliases. It breaks automatic loading of any dasd module. Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-05kbuild: when warning symbols exported twice now tell user this is the problemSam Ravnborg1-1/+1
Warning now looks like this: WARNING: vmlinux: 'strcpy' exported twice. Previous export was in vmlinux Which gives much better hint how to fix it. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-03-05kbuild: in the section mismatch check try harder to find symbolsSam Ravnborg1-1/+16
When searching for symbols the only check performed was if offset equals st_value. Adding an additional check to see if st_name points t a valid name made us sort out a few more false positives and let us report more correct names in warnings. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-03-05kbuild: fix section mismatch check for unwind on IA64Sam Ravnborg1-2/+2
Parameters to strstr() was reversed. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-03-05kbuild: kill false positives from section mismatch warnings for powerpcSam Ravnborg1-2/+7
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>
2006-03-03kbuild: kill trailing whitespace in modpost & friendsSam Ravnborg4-43/+43
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-02-26kbuild: whitelist false section mismatch warningsSam Ravnborg1-0/+89
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>
2006-02-26kbuild: Add copyright to modpost.cSam Ravnborg1-1/+1
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>
2006-02-22kbuild: do not warn when unwind sections references .init/.exit sectionsSam Ravnborg1-1/+17
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>
2006-02-22kbuild: fix modpost compile with older gccakpm@osdl.org1-3/+3
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>
2006-02-19kbuild: include symbol names in section mismatch warningsSam Ravnborg1-17/+47
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>
2006-02-19kbuild: fix segfault in modpostSam Ravnborg1-1/+1
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>
2006-02-19kbuild: do not segfault in modpost if MODVERDIR is not definedSam Ravnborg1-3/+6
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>
2006-02-19kbuild: check for section mismatch during modpost stageSam Ravnborg2-0/+268
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>
2006-02-19kbuild: warn about duplicate exported symbolsSam Ravnborg1-3/+13
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>
2006-02-19kbuild: improved modversioning support for external modulesSam Ravnborg1-50/+73
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>
2006-02-19kbuild: apply CodingStyle to modpost.cSam Ravnborg1-70/+54
Just some light CodingStyle updates - no functional changes. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-02-19kbuild: use warn()/fatal() consistent in modpostSam Ravnborg4-32/+27
modpost.c provides warn() and fatal() - so use them all over the place. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-01-08modpost/file2alias: Fix typoBrian Gerst1-1/+1
SND_MAX should be FF_MAX Signed-off-by: Brian Gerst <bgerst@didntduck.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2006-01-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds1-1/+61
Trivial manual merge fixup for usb_find_interface clashes.
2006-01-04[PATCH] Input: add modalias supportRusty Russell1-1/+61
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>
2005-12-26kbuild: set correct KBUILD_MODNAME when using well known kernel symbols as ↵Ustyugov Roman1-2/+1
module names This patch fixes a problem when we use well known kernel symbols as module names. For example, if module source name is current.c, idle_stack.c or etc., we have a bad KBUILD_MODNAME value. For example, KBUILD_MODNAME will be "get_current()" instead of "current", or "(init_thread_union.stack)" instead of "idle_task". The trick is to define a stringify macro on the commandline - named KBUILD_STR for namespace reasons - and then to stringify the module name. There are a few uses of KBUILD_MODNAME throughout the tree but the usage is for debug and will not be harmed by this change so left untouched for now. While at it KBUILD_BASENAME was changed too. Any spinlock usage in the unix module would have created wrong section names without it. Usage in spinlock.h fixed so it no longer stringify KBUILD_BASENAME. Original patch from Ustyogov Roman - all bugs introduced by me. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-12-25kbuild: Fix crc-error warning on modulesLuke Yang1-2/+2
This is the patch for the following issue: In include/linux/module.h, "__crc_" and "__ksymtab_" are hard coded to be the prefix for some kinds of symbols (CRC symbol and ksymtab section). But in script /mod/modpost.c, MODULE_SYMBOL_PREFIX##"__crc_" is used as the prefix to search CRC symbols. So if an architecture (such as h8300 or Blackfin) defines MODULE_SYMBOL_PREFIX as not NULL ("_"), modpost will always warn about "no invalid crc". And it is the same with KSYMTAB_PFX. Signed-off-by: Luke Yang <luke.adi@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-10-28[PATCH] I2C: add i2c module alias for i2c drivers to useGreg Kroah-Hartman1-0/+10
This is the start of adding hotplug-like support for i2c devices. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-10-18Add some basic .gitignore filesLinus Torvalds1-0/+4
This still leaves driver and architecture-specific subdirectories alone, but gets rid of the bulk of the "generic" generated files that we should ignore. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-26[PATCH] pcmcia: fix cross-platform issues with pcmcia module aliasesKars de Jong1-0/+2
- Added a missing TO_NATIVE call to scripts/mod/file2alias.c:do_pcmcia_entry() - Add an alignment attribute to struct pcmcia_device_no to solve an alignment issue seen when cross-compiling on x86 for m68k. Signed-off-by: Kars de Jong <jongk@linux-m68k.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2005-09-11[SPARC]: Fix dot-symbol exporting for good.Al Viro1-0/+6
From: Al Viro <viro@ZenIV.linux.org.uk> Instead of playing all of these hand-coded assembler aliasing games, just translate symbol names in the name space ".sym" to "_Sym" at module load time. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-09-06Merge master.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild Linus Torvalds1-4/+4
2005-08-30[PATCH] Make MODULE_DEVICE_TABLE work for vio devicesStephen Rothwell1-0/+19
Make MODULE_DEVICE_TABLE work for vio devices. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-08-19[SPARC]: Deal with glibc changing macro names in modpost.cBen Colline1-2/+7
GLIBC 2.3.4 and later changed the STT_REGISTER macro to STT_SPARC_REGISTER, so we need to cope with that somehow. Original patch from fabbione, reposted by Ben Collins. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-07-27[PATCH] kbuild: signed char fixes for scriptsJ.A. Magallon1-4/+4
This time I did not break anything... and they shut up gcc4 ;) Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-07-13[PATCH] kbuild: modpost needs to cope with new glibc elf header on sparcFabio Massimo Di Nitto1-2/+7
Recently a change in the glibc elf.h header has been introduced causing modpost to spawn tons of warnings (like the one below) building the kernel on sparc: [SNIP] *** Warning: "current_thread_info_reg" [net/sunrpc/auth_gss/auth_rpcgss.ko] undefined! *** Warning: "" [net/sunrpc/auth_gss/auth_rpcgss.ko] undefined! *** Warning: "" [net/sunrpc/auth_gss/auth_rpcgss.ko] undefined! [SNIP] Ben Collins discovered that the STT_REGISTERED definition in glibc did change and that this change needs to be propagated to modpost. glibc change: -#define STT_REGISTER 13 /* Global register reserved to app. */ +#define STT_SPARC_REGISTER 13 /* Global register reserved to app. */ I did and tested this simple patch to maintain compatibility with newer (>= 2.3.4) and older (<= 2.3.2) glibc. Signed-off-by: Fabio M. Di Nitto <fabbione@fabbione.net> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-07-06[PATCH] openfirmware: generate device table for userspaceJeff Mahoney1-0/+22
This converts the usage of struct of_match to struct of_device_id, similar to pci_device_id. This allows a device table to be generated, which can be parsed by depmod(8) to generate a map file for module loading. In order for hotplug to work with macio devices, patches to module-init-tools and hotplug must be applied. Those patches are available at: ftp://ftp.suse.com/pub/people/jeffm/linux/macio-hotplug/ Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-27[PATCH] pcmcia: file2aliasDominik Brodowski1-0/+39
Create PCMCIA entries in modules.alias Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-22[PATCH] USB: scripts/mod/file2alias.c: handle numeric ranges for USB bcdDeviceRoman Kagan1-23/+88
Another attempt at that... The attached patch fixes the longstanding problem with USB bcdDevice numeric ranges incorrectly converted into patterns for MODULE_ALIAS generation. Previously it put both the lower and the upper limits into the pattern, dlXdhY, making it impossible to fnmatch against except for a few special cases, like dl*dh* or dlXdhX. The patch makes it generate multiple MODULE_ALIAS lines covering the whole range with fnmatch-able patterns. E.g. for a range between 0x0001 and 0x8345 it gives the following patterns: 000[1-9] 00[1-9]* 0[1-9]* [1-7]* 8[0-2]* 83[0-3]* 834[0-5] Since bcdDevice is 2 bytes wide = 4 digits in hex representation, the max no. of patters is 2 * 4 - 1 = 7. The values are BCD (binary-coded decimals) and not hex, so patterns using a dash seem to be safe regardless of locale collation order. The patch changes bcdDevice part of the alias from dlXdhY to dZ, but this shouldn't have big compatibility issues because fnmatch()-based modprobing hasn't yet been widely used. Besides, the most common (and almost the only working) case of dl*dh* becomes d* and thus continues to work. The patch is against 2.6.12-rc2, applies to -mm3 with an offset. The matching patch to fix the MODALIAS environment variable now generated by the usb hotplug function follows. Signed-off-by: Roman Kagan <rkagan@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds7-0/+1792
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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