From d2c32258798f813dc2be6cbc32f78aa5ac5cb205 Mon Sep 17 00:00:00 2001 From: Josh Triplett Date: Wed, 15 Jun 2011 15:08:47 -0700 Subject: 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 Acked-by: WANG Cong Acked-by: Peter Oberparleiter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/gcov/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'kernel/gcov') 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 -- cgit