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* kbuild: warn when a moduled uses a symbol marked UNUSEDSam Ravnborg2006-07-011-0/+2
| | | | | | | | We now have infrastructure in place to mark an EXPORTed symbol as unused. So the natural next step is to warn during buildtime when a module uses a symbol marked UNUSED. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: check license compatibility when building modulesSam Ravnborg2006-06-091-0/+1
| | | | | | | | | | | | | | | Modules that uses GPL symbols can no longer be build with kbuild, the build will fail during the modpost step. When a GPL-incompatible module uses a EXPORT_SYMBOL_GPL_FUTURE symbol then warn during modpost so author are actually notified. The actual license compatibility check is shared with the kernel to make sure it is in sync. Patch originally from: Andreas Gruenbacher <agruen@suse.de> and Ram Pai <linuxram@us.ibm.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: export-type enhancement to modpost.cRam Pai2006-06-091-0/+3
| | | | | | | | | | | | | | | | | | This patch provides the ability to identify the export-type of each exported symbols in Module.symvers. NOTE: It updates the Module.symvers file with the additional information as shown below. 0x0f8b92af platform_device_add_resources vmlinux EXPORT_SYMBOL_GPL 0xcf7efb2a ethtool_op_set_tx_csum vmlinux EXPORT_SYMBOL Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Avantika Mathur <mathur@us.ibm.com> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* [PATCH] kbuild: fix modpost segfault for 64bit mipsel kernelAtsushi Nemoto2006-05-211-2/+19
| | | | | | | | | | | | | | 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>
* [PATCH] kbuild: check SHT_REL sectionsAtsushi Nemoto2006-05-211-0/+2
| | | | | | | | | | | | | | | | | 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>
* Revert "kbuild: fix modpost segfault for 64bit mipsel kernel"Linus Torvalds2006-05-081-19/+0
| | | | | | | | | | | 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>
* kbuild: fix modpost segfault for 64bit mipsel kernelAtsushi Nemoto2006-04-301-0/+19
| | | | | | | | 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>
* kbuild: kill trailing whitespace in modpost & friendsSam Ravnborg2006-03-031-4/+4
| | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: check for section mismatch during modpost stageSam Ravnborg2006-02-191-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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: use warn()/fatal() consistent in modpostSam Ravnborg2006-02-191-1/+6
| | | | | | modpost.c provides warn() and fatal() - so use them all over the place. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+107
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!