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authorIngo Molnar <mingo@elte.hu>2011-03-18 10:38:53 +0100
committerIngo Molnar <mingo@elte.hu>2011-03-18 10:39:00 +0100
commit8dd8997d2c56c9f248294805e129e1fc69444380 (patch)
tree3b030a04295fc031db98746c4074c2df1ed6a19f /arch/x86/kernel/ftrace.c
parent1eda75c131ea42ec173323b6c34aeed78ae637c1 (diff)
parent016aa2ed1cc9cf704cf76d8df07751b6daa9750f (diff)
Merge branch 'linus' into x86/urgent
Merge reason: Merge upstream commits to avoid conflicts in upcoming patches. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/ftrace.c')
-rw-r--r--arch/x86/kernel/ftrace.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 382eb2936d4d..a93742a57468 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -437,18 +437,19 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
return;
}
- if (ftrace_push_return_trace(old, self_addr, &trace.depth,
- frame_pointer) == -EBUSY) {
- *parent = old;
- return;
- }
-
trace.func = self_addr;
+ trace.depth = current->curr_ret_stack + 1;
/* Only trace if the calling function expects to */
if (!ftrace_graph_entry(&trace)) {
- current->curr_ret_stack--;
*parent = old;
+ return;
+ }
+
+ if (ftrace_push_return_trace(old, self_addr, &trace.depth,
+ frame_pointer) == -EBUSY) {
+ *parent = old;
+ return;
}
}
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */