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From: Masami Hiramatsu on 5 Feb 2010 01:20
Since mcount function can be called from everywhere,
it should be blacklisted. Moreover, the "mcount" symbol
is a special symbol name. So, it is better to put it in
the generic blacklist.

Signed-off-by: Masami Hiramatsu <mhiramat(a)redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth(a)in.ibm.com>
Cc: Ingo Molnar <mingo(a)elte.hu>
---

kernel/kprobes.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index c3340e8..ccec774 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -94,6 +94,7 @@ static struct kprobe_blackpoint kprobe_blacklist[] = {
{"native_get_debugreg",},
{"irq_entries_start",},
{"common_interrupt",},
+ {"mcount",}, /* mcount can be called from everywhere */
{NULL} /* Terminator */
};



--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat(a)redhat.com
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