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authorLinus Torvalds <torvalds@linux-foundation.org>2008-02-04 07:56:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-02-04 07:56:17 -0800
commit519cb688072008363e091be3f291c1b5779e2ba8 (patch)
treedc5e251ff0eac8ae2f022858c0d7526299235f1d /lib
parent2f98735c9c24ea1f0d40a364d4e63611b689b795 (diff)
parent8891fec65ac5b5a74b50c705e31b66c92c3eddeb (diff)
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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.debug14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 0d8a5a4a789..0d385be682d 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