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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-04 16:56:17 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-04 16:56:17 +0100 |
| commit | 519cb688072008363e091be3f291c1b5779e2ba8 (patch) | |
| tree | dc5e251ff0eac8ae2f022858c0d7526299235f1d /lib | |
| parent | vm audit: add VM_DONTEXPAND to mmap for drivers that need it (diff) | |
| parent | scsi: fix dependency bug in aic7 Makefile (diff) | |
| download | linux-519cb688072008363e091be3f291c1b5779e2ba8.tar.xz linux-519cb688072008363e091be3f291c1b5779e2ba8.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
scsi: fix dependency bug in aic7 Makefile
kbuild: add svn revision information to setlocalversion
kbuild: do not warn about __*init/__*exit symbols being exported
Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig
Add HAVE_KPROBES
Add HAVE_OPROFILE
Create arch/Kconfig
Fix ARM to play nicely with generic Instrumentation menu
kconfig: ignore select of unknown symbol
kconfig: mark config as changed when loading an alternate config
kbuild: Spelling/grammar fixes for config DEBUG_SECTION_MISMATCH
Remove __INIT_REFOK and __INITDATA_REFOK
kbuild: print only total number of section mismatces found
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0d8a5a4a789d..0d385be682db 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -81,7 +81,7 @@ config HEADERS_CHECK config DEBUG_SECTION_MISMATCH bool "Enable full Section mismatch analysis" - default n + depends on UNDEFINED help The section mismatch analysis checks if there are illegal references from one section to another section. @@ -90,19 +90,19 @@ config DEBUG_SECTION_MISMATCH most likely result in an oops. In the code functions and variables are annotated with __init, __devinit etc. (see full list in include/linux/init.h) - which result in the code/data being placed in specific sections. - The section mismatch anaylsis are always done after a full - kernel build but enabling this options will in addition + which results in the code/data being placed in specific sections. + The section mismatch analysis is always done after a full + kernel build but enabling this option will in addition do the following: - Add the option -fno-inline-functions-called-once to gcc When inlining a function annotated __init in a non-init - function we would loose the section information and thus + function we would lose the section information and thus the analysis would not catch the illegal reference. - This options tell gcc to inline less but will also + This option tells gcc to inline less but will also result in a larger kernel. - Run the section mismatch analysis for each module/built-in.o When we run the section mismatch analysis on vmlinux.o we - looses valueable information about where the mismatch was + lose valueble information about where the mismatch was introduced. Running the analysis for each module/built-in.o file will tell where the mismatch happens much closer to the |