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| author | Josh Triplett <josh@joshtriplett.org> | 2011-06-16 00:08:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-16 05:04:01 +0200 |
| commit | d2c32258798f813dc2be6cbc32f78aa5ac5cb205 (patch) | |
| tree | e44c0d0feeaa52fe7d7b02ed343f7f5b671c372a /kernel/gcov | |
| parent | MAINTAINERS: add entry for legacy eeprom driver (diff) | |
| download | linux-d2c32258798f813dc2be6cbc32f78aa5ac5cb205.tar.xz linux-d2c32258798f813dc2be6cbc32f78aa5ac5cb205.zip | |
gcov: disable CONFIG_CONSTRUCTORS when not needed by CONFIG_GCOV_KERNEL
CONFIG_CONSTRUCTORS controls support for running constructor functions at
kernel init time. According to commit b99b87f70c7785ab ("kernel:
constructor support"), gcov (CONFIG_GCOV_KERNEL) needs this. However,
CONFIG_CONSTRUCTORS currently defaults to y, with no option to disable it,
and CONFIG_GCOV_KERNEL depends on it. Instead, default it to n and have
CONFIG_GCOV_KERNEL select it, so that the normal case of
CONFIG_GCOV_KERNEL=n will result in CONFIG_CONSTRUCTORS=n.
Observed in the short list of =y values in a minimal kernel configuration.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/gcov')
| -rw-r--r-- | kernel/gcov/Kconfig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig index b8cadf70b1fb..5bf924d80b5c 100644 --- a/kernel/gcov/Kconfig +++ b/kernel/gcov/Kconfig @@ -2,7 +2,8 @@ menu "GCOV-based kernel profiling" config GCOV_KERNEL bool "Enable gcov-based kernel profiling" - depends on DEBUG_FS && CONSTRUCTORS + depends on DEBUG_FS + select CONSTRUCTORS default n ---help--- This option enables gcov-based code profiling (e.g. for code coverage |