diff options
| author | Steven Rostedt | 2008-08-14 21:45:09 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-10-14 10:34:47 +0200 |
| commit | 90d595fe5ca4b685465c068907e6e554760abea8 (patch) | |
| tree | 03f98454af8c6756177aa053ae7440373007f67d /include/linux | |
| parent | ftrace: mcount call site on boot nops core (diff) | |
| download | kernel-qcow2-linux-90d595fe5ca4b685465c068907e6e554760abea8.tar.gz kernel-qcow2-linux-90d595fe5ca4b685465c068907e6e554760abea8.tar.xz kernel-qcow2-linux-90d595fe5ca4b685465c068907e6e554760abea8.zip | |
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/linux')
| -rw-r--r-- | include/linux/ftrace.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index d4d6ab453b78..4936489f9ed8 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 */ |