1 files changed, 5 insertions, 7 deletions

diff --git a/arch/ia64/kernel/ftrace.c b/arch/ia64/kernel/ftrace.c
index 3b0c2aa07857..cee411e647ca 100644
--- a/arch/ia64/kernel/ftrace.c
+++ b/arch/ia64/kernel/ftrace.c
@@ -97,13 +97,11 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code,
         unsigned char replaced[MCOUNT_INSN_SIZE];
 
         /*
-         * Note: Due to modules and __init, code can
-         *  disappear and change, we need to protect against faulting
-         *  as well as code changing. We do this by using the
-         *  probe_kernel_* functions.
-         *
-         * No real locking needed, this code is run through
-         * kstop_machine, or before SMP starts.
+         * Note:
+         * We are paranoid about modifying text, as if a bug was to happen, it
+         * could cause us to read or write to someplace that could cause harm.
+         * Carefully read and modify the code with probe_kernel_*(), and make
+         * sure what we read is what we expected it to be before modifying it.
          */
 
         if (!do_check)