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| author |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-21 12:03:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-21 12:03:04 -0700 |
| commit | 080e89270a7bfb7d01fac9a67050f8ac6d6cdd11 (patch) | |
| tree | 489e467292ca06420e85f185095323efb80c75b7 /include/linux | |
| parent | Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 (diff) | |
| parent | mm/slab: fix section mismatch warning (diff) | |
| download | linux-dev-080e89270a7bfb7d01fac9a67050f8ac6d6cdd11.tar.xz linux-dev-080e89270a7bfb7d01fac9a67050f8ac6d6cdd11.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fix
* 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
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/init.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index e007ae4dc41e..56ec4c62eee0 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -45,6 +45,19 @@ #define __exitdata __attribute__ ((__section__(".exit.data"))) #define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) +/* modpost check for section mismatches during the kernel build. + * A section mismatch happens when there are references from a + * code or data section to an init section (both code or data). + * The init sections are (for most archs) discarded by the kernel + * when early init has completed so all such references are potential bugs. + * For exit sections the same issue exists. + * The following markers are used for the cases where the reference to + * the init/exit section (code or data) is valid and will teach modpost + * not to issue a warning. + * The markers follow same syntax rules as __init / __initdata. */ +#define __init_refok noinline __attribute__ ((__section__ (".text.init.refok"))) +#define __initdata_refok __attribute__ ((__section__ (".data.init.refok"))) + #ifdef MODULE #define __exit __attribute__ ((__section__(".exit.text"))) #else |