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authorSteven Rostedt <rostedt@goodmis.org>2008-08-14 15:45:09 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-14 10:34:47 +0200
commit90d595fe5ca4b685465c068907e6e554760abea8 (patch)
tree03f98454af8c6756177aa053ae7440373007f67d /include
parent68bf21aa15c85d2e9b623dcda2b1ed8893275fa1 (diff)
downloadop-kernel-dev-90d595fe5ca4b685465c068907e6e554760abea8.zip
op-kernel-dev-90d595fe5ca4b685465c068907e6e554760abea8.tar.gz
ftrace: enable mcount recording for modules
This patch enables the loading of the __mcount_section of modules and changing all the callers of mcount into nops. The modification is done before the init_module function is called, so again, we do not need to use kstop_machine to make these changes. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ftrace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index d4d6ab4..4936489 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -164,8 +164,11 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
extern void ftrace_init(void);
+extern void ftrace_init_module(unsigned long *start, unsigned long *end);
#else
static inline void ftrace_init(void) { }
+static inline void
+ftrace_init_module(unsigned long *start, unsigned long *end) { }
#endif
#endif /* _LINUX_FTRACE_H */
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