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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 /kernel/trace
parent68bf21aa15c85d2e9b623dcda2b1ed8893275fa1 (diff)
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 'kernel/trace')
-rw-r--r--kernel/trace/ftrace.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index df96d5990c0..ea45bb1c0fd 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1541,6 +1541,11 @@ static int ftrace_convert_nops(unsigned long *start,
return 0;
}
+void ftrace_init_module(unsigned long *start, unsigned long *end)
+{
+ ftrace_convert_nops(start, end);
+}
+
extern unsigned long __start_mcount_loc[];
extern unsigned long __stop_mcount_loc[];